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Created March 3, 2021 18:10
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xxx-ppc64le-support.patch
commit 2c013a317b1114ef67cdbbc30824b28907b9ea94
Author: Daniel Kolesa <daniel@octaforge.org>
Date: Wed Mar 3 19:08:29 2021 +0100
ppc64le support
diff --git build/download_nacl_toolchains.py build/download_nacl_toolchains.py
index 286a92a27..ec36a85d3 100755
--- build/download_nacl_toolchains.py
+++ build/download_nacl_toolchains.py
@@ -13,6 +13,10 @@ import sys
def Main(args):
+ # If `disable_nacl=1` is in GYP_DEFINES, exit
+ if 'disable_nacl=1' in os.environ.get('GYP_DEFINES', ''):
+ return 0
+
script_dir = os.path.dirname(os.path.abspath(__file__))
src_dir = os.path.dirname(script_dir)
nacl_dir = os.path.join(src_dir, 'native_client')
diff --git chrome/installer/linux/BUILD.gn chrome/installer/linux/BUILD.gn
index 35f01d0a4..28f2e7475 100644
--- chrome/installer/linux/BUILD.gn
+++ chrome/installer/linux/BUILD.gn
@@ -94,8 +94,6 @@ packaging_files = packaging_files_binaries + [
"$root_out_dir/xdg-mime",
"$root_out_dir/xdg-settings",
"$root_out_dir/locales/en-US.pak",
- "$root_out_dir/MEIPreload/manifest.json",
- "$root_out_dir/MEIPreload/preloaded_data.pb",
]
action_foreach("calculate_deb_dependencies") {
@@ -315,7 +313,6 @@ group("installer_deps") {
":theme_files",
"//chrome",
"//chrome:packed_resources",
- "//chrome/browser/resources/media/mei_preload:component",
"//sandbox/linux:chrome_sandbox",
"//third_party/crashpad/crashpad/handler:crashpad_handler",
]
diff --git sandbox/features.gni sandbox/features.gni
index db30ae6d6..9dc09bf53 100644
--- sandbox/features.gni
+++ sandbox/features.gni
@@ -11,7 +11,8 @@ import("//build/config/nacl/config.gni")
use_seccomp_bpf = (is_linux || is_chromeos || is_android) &&
(current_cpu == "x86" || current_cpu == "x64" ||
current_cpu == "arm" || current_cpu == "arm64" ||
- current_cpu == "mipsel" || current_cpu == "mips64el")
+ current_cpu == "mipsel" || current_cpu == "mips64el" ||
+ current_cpu == "ppc64")
use_seccomp_bpf = use_seccomp_bpf || is_nacl_nonsfi
diff --git sandbox/linux/BUILD.gn sandbox/linux/BUILD.gn
index e9a94b461..cca1a5da5 100644
--- sandbox/linux/BUILD.gn
+++ sandbox/linux/BUILD.gn
@@ -427,6 +427,8 @@ component("sandbox_services") {
source_set("sandbox_services_headers") {
sources = [
+ "system_headers/ppc64_linux_syscalls.h",
+ "system_headers/ppc64_linux_ucontext.h",
"system_headers/arm64_linux_syscalls.h",
"system_headers/arm_linux_syscalls.h",
"system_headers/arm_linux_ucontext.h",
diff --git sandbox/linux/bpf_dsl/linux_syscall_ranges.h sandbox/linux/bpf_dsl/linux_syscall_ranges.h
index 313511f22..0ca3a326f 100644
--- sandbox/linux/bpf_dsl/linux_syscall_ranges.h
+++ sandbox/linux/bpf_dsl/linux_syscall_ranges.h
@@ -56,6 +56,13 @@
#define MAX_PUBLIC_SYSCALL __NR_syscalls
#define MAX_SYSCALL MAX_PUBLIC_SYSCALL
+#elif defined(__powerpc64__)
+
+#include <asm/unistd.h>
+#define MIN_SYSCALL 0u
+#define MAX_PUBLIC_SYSCALL 386u
+#define MAX_SYSCALL MAX_PUBLIC_SYSCALL
+
#else
#error "Unsupported architecture"
#endif
diff --git sandbox/linux/bpf_dsl/seccomp_macros.h sandbox/linux/bpf_dsl/seccomp_macros.h
index 1a407b952..a6aec544e 100644
--- sandbox/linux/bpf_dsl/seccomp_macros.h
+++ sandbox/linux/bpf_dsl/seccomp_macros.h
@@ -16,6 +16,9 @@
#if defined(__mips__)
// sys/user.h in eglibc misses size_t definition
#include <stddef.h>
+#elif defined(__powerpc64__)
+// Manually define greg_t on ppc64
+typedef unsigned long long greg_t;
#endif
#endif
@@ -346,6 +349,51 @@ struct regs_struct {
#define SECCOMP_PT_PARM4(_regs) (_regs).regs[3]
#define SECCOMP_PT_PARM5(_regs) (_regs).regs[4]
#define SECCOMP_PT_PARM6(_regs) (_regs).regs[5]
+
+#elif defined(__powerpc64__)
+#include <asm/ptrace.h>
+
+typedef struct pt_regs regs_struct;
+
+#ifdef ARCH_CPU_LITTLE_ENDIAN
+#define SECCOMP_ARCH AUDIT_ARCH_PPC64LE
+#else
+#define SECCOMP_ARCH AUDIT_ARCH_PPC64
+#endif
+
+#define SECCOMP_REG(_ctx, _reg) ((_ctx)->uc_mcontext.regs->gpr[_reg])
+
+#define SECCOMP_RESULT(_ctx) SECCOMP_REG(_ctx, 3)
+#define SECCOMP_SYSCALL(_ctx) SECCOMP_REG(_ctx, 0)
+#define SECCOMP_IP(_ctx) (_ctx)->uc_mcontext.regs->nip
+#define SECCOMP_PARM1(_ctx) SECCOMP_REG(_ctx, 3)
+#define SECCOMP_PARM2(_ctx) SECCOMP_REG(_ctx, 4)
+#define SECCOMP_PARM3(_ctx) SECCOMP_REG(_ctx, 5)
+#define SECCOMP_PARM4(_ctx) SECCOMP_REG(_ctx, 6)
+#define SECCOMP_PARM5(_ctx) SECCOMP_REG(_ctx, 7)
+#define SECCOMP_PARM6(_ctx) SECCOMP_REG(_ctx, 8)
+
+#define SECCOMP_NR_IDX (offsetof(struct arch_seccomp_data, nr))
+#define SECCOMP_ARCH_IDX (offsetof(struct arch_seccomp_data, arch))
+#define SECCOMP_IP_MSB_IDX \
+ (offsetof(struct arch_seccomp_data, instruction_pointer) + 4)
+#define SECCOMP_IP_LSB_IDX \
+ (offsetof(struct arch_seccomp_data, instruction_pointer) + 0)
+#define SECCOMP_ARG_MSB_IDX(nr) \
+ (offsetof(struct arch_seccomp_data, args) + 8 * (nr) + 4)
+#define SECCOMP_ARG_LSB_IDX(nr) \
+ (offsetof(struct arch_seccomp_data, args) + 8 * (nr) + 0)
+
+#define SECCOMP_PT_RESULT(_regs) (_regs).gpr[3]
+#define SECCOMP_PT_SYSCALL(_regs) (_regs).gpr[0]
+#define SECCOMP_PT_IP(_regs) (_regs).nip
+#define SECCOMP_PT_PARM1(_regs) (_regs).gpr[3]
+#define SECCOMP_PT_PARM2(_regs) (_regs).gpr[4]
+#define SECCOMP_PT_PARM3(_regs) (_regs).gpr[5]
+#define SECCOMP_PT_PARM4(_regs) (_regs).gpr[6]
+#define SECCOMP_PT_PARM5(_regs) (_regs).gpr[7]
+#define SECCOMP_PT_PARM6(_regs) (_regs).gpr[8]
+
#else
#error Unsupported target platform
diff --git sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
index 6a1ec2389..f20c582dd 100644
--- sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
+++ sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
@@ -88,7 +88,8 @@ bool IsBaselinePolicyWatched(int sysno) {
SyscallSets::IsPrctl(sysno) ||
SyscallSets::IsProcessGroupOrSession(sysno) ||
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
SyscallSets::IsSocketCall(sysno) ||
#endif
#if defined(__arm__)
@@ -227,7 +228,7 @@ ResultExpr EvaluateSyscallImpl(int fs_denied_errno,
}
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
if (sysno == __NR_mmap)
return RestrictMmapFlags();
#endif
@@ -245,7 +246,7 @@ ResultExpr EvaluateSyscallImpl(int fs_denied_errno,
return RestrictPrctl();
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
if (sysno == __NR_socketpair) {
// Only allow AF_UNIX, PF_UNIX. Crash if anything else is seen.
static_assert(AF_UNIX == PF_UNIX,
@@ -285,7 +286,8 @@ ResultExpr EvaluateSyscallImpl(int fs_denied_errno,
}
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
if (SyscallSets::IsSocketCall(sysno))
return RestrictSocketcallCommand();
#endif
diff --git sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc
index 01c046dda..7e5a6be82 100644
--- sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc
+++ sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc
@@ -302,7 +302,7 @@ TEST_BASELINE_SIGSYS(__NR_sysinfo)
TEST_BASELINE_SIGSYS(__NR_syslog)
TEST_BASELINE_SIGSYS(__NR_timer_create)
-#if !defined(__aarch64__)
+#if !defined(__aarch64__) && !defined(__powerpc64__)
TEST_BASELINE_SIGSYS(__NR_eventfd)
TEST_BASELINE_SIGSYS(__NR_inotify_init)
TEST_BASELINE_SIGSYS(__NR_vserver)
diff --git sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
index 2a97d3916..8e81aa6cf 100644
--- sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
+++ sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
@@ -40,7 +40,8 @@
#include <sys/ptrace.h>
#if (defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)) && \
!defined(__arm__) && !defined(__aarch64__) && \
- !defined(PTRACE_GET_THREAD_AREA)
+ !defined(PTRACE_GET_THREAD_AREA) && \
+ !defined(__powerpc64__)
// Also include asm/ptrace-abi.h since ptrace.h in older libc (for instance
// the one in Ubuntu 16.04 LTS) is missing PTRACE_GET_THREAD_AREA.
// asm/ptrace-abi.h doesn't exist on arm32 and PTRACE_GET_THREAD_AREA isn't
@@ -49,6 +50,11 @@
#endif
#endif // !OS_NACL_NONSFI
+// On PPC64, TCGETS is defined in terms of struct termios, so we must include termios.h
+#ifdef __powerpc64__
+#include <termios.h>
+#endif
+
#if defined(OS_ANDROID)
#if !defined(F_DUPFD_CLOEXEC)
@@ -98,6 +104,15 @@ inline bool IsArchitectureMips() {
#endif
}
+inline bool IsArchitecturePPC64() {
+#if defined(__powerpc64__)
+ return true;
+#else
+ return false;
+#endif
+}
+
+
// Ubuntu's version of glibc has a race condition in sem_post that can cause
// it to call futex(2) with bogus op arguments. To workaround this, we need
// to allow those futex(2) calls to fail with EINVAL, instead of crashing the
@@ -239,6 +254,8 @@ ResultExpr RestrictFcntlCommands() {
uint64_t kOLargeFileFlag = O_LARGEFILE;
if (IsArchitectureX86_64() || IsArchitectureI386() || IsArchitectureMips())
kOLargeFileFlag = 0100000;
+ else if (IsArchitecturePPC64())
+ kOLargeFileFlag = 0200000;
const Arg<int> cmd(1);
const Arg<long> long_arg(2);
@@ -253,14 +270,23 @@ ResultExpr RestrictFcntlCommands() {
F_SETLKW,
F_GETLK,
F_DUPFD,
- F_DUPFD_CLOEXEC),
- Allow())
+ F_DUPFD_CLOEXEC
+#if defined(__powerpc64__)
+// On PPC64, F_SETLK, F_GETLK, F_SETLKW are defined as the 64-bit variants
+// but glibc will sometimes still use the 32-bit versions. Allow both.
+ ,
+ 5, /* F_GETLK (32) */
+ 6, /* F_SETLK (32) */
+ 7 /* F_SETLKW (32) */
+#endif
+ ),
+ Allow())
.Case(F_SETFL,
If((long_arg & ~kAllowedMask) == 0, Allow()).Else(CrashSIGSYS()))
.Default(CrashSIGSYS());
}
-#if defined(__i386__) || defined(__mips__)
+#if defined(__i386__) || defined(__mips__) || defined(__powerpc64__)
ResultExpr RestrictSocketcallCommand() {
// Unfortunately, we are unable to restrict the first parameter to
// socketpair(2). Whilst initially sounding bad, it's noteworthy that very
@@ -413,7 +439,7 @@ ResultExpr RestrictPtrace() {
#endif
return Switch(request)
.CASES((
-#if !defined(__aarch64__)
+#if !defined(__aarch64__) && !defined(__powerpc64__)
PTRACE_GETREGS, PTRACE_GETFPREGS, PTRACE_GET_THREAD_AREA,
PTRACE_GETREGSET,
#endif
diff --git sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h
index ba4289f05..9a4d5ab2d 100644
--- sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h
+++ sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h
@@ -48,7 +48,7 @@ SANDBOX_EXPORT bpf_dsl::ResultExpr RestrictMprotectFlags();
// O_NONBLOCK | O_SYNC | O_LARGEFILE | O_CLOEXEC | O_NOATIME.
SANDBOX_EXPORT bpf_dsl::ResultExpr RestrictFcntlCommands();
-#if defined(__i386__) || defined(__mips__)
+#if defined(__i386__) || defined(__mips__) || defined(__powerpc64__)
// Restrict socketcall(2) to only allow socketpair(2), send(2), recv(2),
// sendto(2), recvfrom(2), shutdown(2), sendmsg(2) and recvmsg(2).
SANDBOX_EXPORT bpf_dsl::ResultExpr RestrictSocketcallCommand();
diff --git sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
index 642df7207..34f47eb73 100644
--- sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
+++ sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
@@ -29,7 +29,8 @@ bool SyscallSets::IsAllowedGettime(int sysno) {
switch (sysno) {
case __NR_gettimeofday:
#if defined(__i386__) || defined(__x86_64__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_time:
#endif
return true;
@@ -45,12 +46,14 @@ bool SyscallSets::IsAllowedGettime(int sysno) {
case __NR_clock_nanosleep: // Parameters filtered by RestrictClockID().
case __NR_clock_settime: // Privileged.
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_ftime: // Obsolete.
#endif
case __NR_settimeofday: // Privileged.
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_stime:
#endif
default:
@@ -116,7 +119,7 @@ bool SyscallSets::IsFileSystem(int sysno) {
case __NR_faccessat: // EPERM not a valid errno.
case __NR_fchmodat:
case __NR_fchownat: // Should be called chownat ?
-#if defined(__x86_64__) || defined(__aarch64__)
+#if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__)
case __NR_newfstatat: // fstatat(). EPERM not a valid errno.
#elif defined(__i386__) || defined(__arm__) || \
(defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
@@ -135,7 +138,7 @@ bool SyscallSets::IsFileSystem(int sysno) {
case __NR_memfd_create:
case __NR_mkdirat:
case __NR_mknodat:
-#if defined(__i386__)
+#if defined(__i386__) || defined(__powerpc64__)
case __NR_oldlstat:
case __NR_oldstat:
#endif
@@ -149,7 +152,8 @@ bool SyscallSets::IsFileSystem(int sysno) {
#endif
case __NR_statfs: // EPERM not a valid errno.
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_statfs64:
#endif
case __NR_symlinkat:
@@ -159,7 +163,8 @@ bool SyscallSets::IsFileSystem(int sysno) {
case __NR_truncate64:
#endif
case __NR_unlinkat:
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_utime:
#endif
case __NR_utimensat: // New.
@@ -181,7 +186,8 @@ bool SyscallSets::IsAllowedFileSystemAccessViaFd(int sysno) {
#endif
return true;
// TODO(jln): these should be denied gracefully as well (moved below).
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_fadvise64: // EPERM not a valid errno.
#endif
#if defined(__i386__)
@@ -194,11 +200,12 @@ bool SyscallSets::IsAllowedFileSystemAccessViaFd(int sysno) {
case __NR_flock: // EPERM not a valid errno.
case __NR_fstatfs: // Give information about the whole filesystem.
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_fstatfs64:
#endif
case __NR_fsync: // EPERM not a valid errno.
-#if defined(__i386__)
+#if defined(__i386__) || defined(__powerpc64__)
case __NR_oldfstat:
#endif
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
@@ -206,6 +213,8 @@ bool SyscallSets::IsAllowedFileSystemAccessViaFd(int sysno) {
case __NR_sync_file_range: // EPERM not a valid errno.
#elif defined(__arm__)
case __NR_arm_sync_file_range: // EPERM not a valid errno.
+#elif defined(__powerpc64__)
+ case __NR_sync_file_range2: // EPERM not a valid errno.
#endif
default:
return false;
@@ -231,7 +240,8 @@ bool SyscallSets::IsDeniedFileSystemAccessViaFd(int sysno) {
#endif
case __NR_getdents64: // EPERM not a valid errno.
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_readdir:
#endif
return true;
@@ -272,7 +282,7 @@ bool SyscallSets::IsGetSimpleId(int sysno) {
bool SyscallSets::IsProcessPrivilegeChange(int sysno) {
switch (sysno) {
case __NR_capset:
-#if defined(__i386__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc64__)
case __NR_ioperm: // Intel privilege.
case __NR_iopl: // Intel privilege.
#endif
@@ -323,7 +333,8 @@ bool SyscallSets::IsAllowedSignalHandling(int sysno) {
case __NR_rt_sigreturn:
case __NR_rt_sigtimedwait:
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_sigaction:
case __NR_sigprocmask:
case __NR_sigreturn:
@@ -339,7 +350,8 @@ bool SyscallSets::IsAllowedSignalHandling(int sysno) {
#endif
case __NR_signalfd4:
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_sigpending:
case __NR_sigsuspend:
#endif
@@ -363,7 +375,7 @@ bool SyscallSets::IsAllowedOperationOnFd(int sysno) {
#endif
case __NR_dup3:
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_shutdown:
#endif
return true;
@@ -397,7 +409,7 @@ bool SyscallSets::IsAllowedProcessStartOrDeath(int sysno) {
case __NR_membarrier:
case __NR_wait4:
case __NR_waitid:
-#if defined(__i386__)
+#if defined(__i386__) || defined(__powerpc64__)
case __NR_waitpid:
#endif
return true;
@@ -414,7 +426,7 @@ bool SyscallSets::IsAllowedProcessStartOrDeath(int sysno) {
#endif
case __NR_set_tid_address:
case __NR_unshare:
-#if !defined(__mips__) && !defined(__aarch64__)
+#if !defined(__mips__) && !defined(__aarch64__) || defined(__powerpc64__)
case __NR_vfork:
#endif
default:
@@ -463,7 +475,7 @@ bool SyscallSets::IsAllowedGetOrModifySocket(int sysno) {
return true;
default:
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_socketpair: // We will want to inspect its argument.
#endif
return false;
@@ -473,7 +485,7 @@ bool SyscallSets::IsAllowedGetOrModifySocket(int sysno) {
bool SyscallSets::IsDeniedGetOrModifySocket(int sysno) {
switch (sysno) {
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_accept:
case __NR_accept4:
case __NR_bind:
@@ -488,7 +500,8 @@ bool SyscallSets::IsDeniedGetOrModifySocket(int sysno) {
}
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
// Big multiplexing system call for sockets.
bool SyscallSets::IsSocketCall(int sysno) {
switch (sysno) {
@@ -502,7 +515,8 @@ bool SyscallSets::IsSocketCall(int sysno) {
}
#endif
-#if defined(__x86_64__) || defined(__arm__) || defined(__mips__)
+#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
+ defined(__powerpc64__)
bool SyscallSets::IsNetworkSocketInformation(int sysno) {
switch (sysno) {
case __NR_getpeername:
@@ -527,7 +541,7 @@ bool SyscallSets::IsAllowedAddressSpaceAccess(int sysno) {
case __NR_mincore:
case __NR_mlockall:
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_mmap:
#endif
#if defined(__i386__) || defined(__arm__) || \
@@ -557,7 +571,8 @@ bool SyscallSets::IsAllowedGeneralIo(int sysno) {
switch (sysno) {
case __NR_lseek:
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR__llseek:
#endif
#if !defined(__aarch64__)
@@ -569,26 +584,28 @@ bool SyscallSets::IsAllowedGeneralIo(int sysno) {
case __NR_readv:
case __NR_pread64:
#if defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_recv:
#endif
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_recvfrom: // Could specify source.
case __NR_recvmsg: // Could specify source.
#endif
-#if defined(__i386__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc64__)
case __NR_select:
#endif
-#if defined(__i386__) || defined(__arm__) || defined(__mips__)
+#if defined(__i386__) || defined(__arm__) || defined(__mips__) || defined(__powerpc64__)
case __NR__newselect:
#endif
#if defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_send:
#endif
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_sendmsg: // Could specify destination.
case __NR_sendto: // Could specify destination.
#endif
@@ -645,7 +662,8 @@ bool SyscallSets::IsAllowedBasicScheduler(int sysno) {
return true;
case __NR_getpriority:
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_nice:
#endif
case __NR_setpriority:
@@ -657,7 +675,8 @@ bool SyscallSets::IsAllowedBasicScheduler(int sysno) {
bool SyscallSets::IsAdminOperation(int sysno) {
switch (sysno) {
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_bdflush:
#endif
case __NR_kexec_load:
@@ -673,7 +692,8 @@ bool SyscallSets::IsAdminOperation(int sysno) {
bool SyscallSets::IsKernelModule(int sysno) {
switch (sysno) {
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_create_module:
case __NR_get_kernel_syms: // Should ENOSYS.
case __NR_query_module:
@@ -706,7 +726,8 @@ bool SyscallSets::IsFsControl(int sysno) {
case __NR_swapoff:
case __NR_swapon:
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_umount:
#endif
case __NR_umount2:
@@ -722,7 +743,7 @@ bool SyscallSets::IsNuma(int sysno) {
case __NR_getcpu:
case __NR_mbind:
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_migrate_pages:
#endif
case __NR_move_pages:
@@ -751,14 +772,15 @@ bool SyscallSets::IsGlobalProcessEnvironment(int sysno) {
switch (sysno) {
case __NR_acct: // Privileged.
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_getrlimit:
#endif
-#if defined(__i386__) || defined(__arm__)
+#if defined(__i386__) || defined(__arm__) || defined(__powerpc64__)
case __NR_ugetrlimit:
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_ulimit:
#endif
case __NR_getrusage:
@@ -792,7 +814,7 @@ bool SyscallSets::IsGlobalSystemStatus(int sysno) {
#endif
case __NR_sysinfo:
case __NR_uname:
-#if defined(__i386__)
+#if defined(__i386__) || defined(__powerpc64__)
case __NR_olduname:
case __NR_oldolduname:
#endif
@@ -854,8 +876,16 @@ bool SyscallSets::IsSystemVSemaphores(int sysno) {
}
#endif
+/* shitty hack around Void's 4.19 kernel headers missing those numbers */
+#if defined(__powerpc64__) && !defined(__NR_shmget)
+#define __NR_shmget 395
+#define __NR_shmctl 396
+#define __NR_shmat 397
+#define __NR_shmdt 398
+#endif
+
#if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || \
- defined(__aarch64__) || \
+ defined(__aarch64__) || defined(__powerpc64__) || \
(defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_64_BITS))
// These give a lot of ambient authority and bypass the setuid sandbox.
bool SyscallSets::IsSystemVSharedMemory(int sysno) {
@@ -887,7 +917,8 @@ bool SyscallSets::IsSystemVMessageQueue(int sysno) {
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
// Big system V multiplexing system call.
bool SyscallSets::IsSystemVIpc(int sysno) {
switch (sysno) {
@@ -907,7 +938,8 @@ bool SyscallSets::IsAnySystemV(int sysno) {
return IsSystemVMessageQueue(sysno) || IsSystemVSemaphores(sysno) ||
IsSystemVSharedMemory(sysno);
#elif defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
return IsSystemVIpc(sysno);
#endif
}
@@ -960,7 +992,8 @@ bool SyscallSets::IsFaNotify(int sysno) {
bool SyscallSets::IsTimer(int sysno) {
switch (sysno) {
case __NR_getitimer:
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_alarm:
#endif
case __NR_setitimer:
@@ -1019,18 +1052,22 @@ bool SyscallSets::IsMisc(int sysno) {
case __NR_syncfs:
case __NR_vhangup:
// The system calls below are not implemented.
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_afs_syscall:
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_break:
#endif
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_getpmsg:
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_gtty:
case __NR_idle:
case __NR_lock:
@@ -1038,20 +1075,22 @@ bool SyscallSets::IsMisc(int sysno) {
case __NR_prof:
case __NR_profil:
#endif
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_putpmsg:
#endif
#if defined(__x86_64__)
case __NR_security:
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_stty:
#endif
-#if defined(__x86_64__)
+#if defined(__x86_64__) || defined(__powerpc64__)
case __NR_tuxcall:
#endif
-#if !defined(__aarch64__)
+#if !defined(__aarch64__) && !defined(__powerpc64__)
case __NR_vserver:
#endif
return true;
diff --git sandbox/linux/seccomp-bpf-helpers/syscall_sets.h sandbox/linux/seccomp-bpf-helpers/syscall_sets.h
index 923533ec9..411f72acd 100644
--- sandbox/linux/seccomp-bpf-helpers/syscall_sets.h
+++ sandbox/linux/seccomp-bpf-helpers/syscall_sets.h
@@ -43,13 +43,14 @@ class SANDBOX_EXPORT SyscallSets {
static bool IsDeniedGetOrModifySocket(int sysno);
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
// Big multiplexing system call for sockets.
static bool IsSocketCall(int sysno);
#endif
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
static bool IsNetworkSocketInformation(int sysno);
#endif
@@ -76,7 +77,7 @@ class SANDBOX_EXPORT SyscallSets {
static bool IsSystemVSemaphores(int sysno);
#endif
#if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || \
- defined(__aarch64__) || \
+ defined(__aarch64__) || defined(__powerpc64__) || \
(defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_64_BITS))
// These give a lot of ambient authority and bypass the setuid sandbox.
static bool IsSystemVSharedMemory(int sysno);
@@ -88,7 +89,8 @@ class SANDBOX_EXPORT SyscallSets {
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
// Big system V multiplexing system call.
static bool IsSystemVIpc(int sysno);
#endif
diff --git sandbox/linux/seccomp-bpf/syscall.cc sandbox/linux/seccomp-bpf/syscall.cc
index e47e98bf5..d53a7ff56 100644
--- sandbox/linux/seccomp-bpf/syscall.cc
+++ sandbox/linux/seccomp-bpf/syscall.cc
@@ -18,7 +18,7 @@ namespace sandbox {
namespace {
#if defined(ARCH_CPU_X86_FAMILY) || defined(ARCH_CPU_ARM_FAMILY) || \
- defined(ARCH_CPU_MIPS_FAMILY)
+ defined(ARCH_CPU_MIPS_FAMILY) || defined (ARCH_CPU_PPC64_FAMILY)
// Number that's not currently used by any Linux kernel ABIs.
const int kInvalidSyscallNumber = 0x351d3;
#else
@@ -310,12 +310,56 @@ asm(// We need to be able to tell the kernel exactly where we made a
// Enter the kernel
"svc 0\n"
"2:ret\n"
+ ".cfi_endproc\n"
+ ".size SyscallAsm, .-SyscallAsm\n"
+#elif defined(__powerpc64__)
+ ".text\n"
+ ".align 4\n"
+ ".type SyscallAsm @function\n"
+ "SyscallAsm:\n"
+ ".cfi_startproc\n"
+
+ // Check if r3 is negative
+ "cmpdi 3, 0\n"
+ "bgt 2f\n"
+
+ // Load address of 3f into r3 and return
+ "mflr 10\n"
+ "bl 1f\n"
+ "1: mflr 3\n"
+ "mtlr 10\n"
+ "addi 3, 3, 4*13\n"
+ "blr\n"
+
+ // Load arguments from array into r3-8
+ // save param 3 in r10
+ "2:\n"
+ "mr 0, 3\n"
+ "ld 3, 0(4)\n"
+ "ld 5, 16(4)\n"
+ "ld 6, 24(4)\n"
+ "ld 7, 32(4)\n"
+ "ld 8, 40(4)\n"
+ "ld 4, 8(4)\n"
+ "li 9, 0\n"
+
+ // Enter kernel
+ "sc\n"
+
+ // Magic return address
+ "3:\n"
+ // Like MIPS, ppc64 return values are always positive.
+ // Check for error in cr0.SO and negate upon error
+ "bc 4, 3, 4f\n"
+ "neg 3, 3\n"
+ "4: blr\n"
+
".cfi_endproc\n"
".size SyscallAsm, .-SyscallAsm\n"
#endif
); // asm
-#if defined(__x86_64__)
+#if defined(__x86_64__) || defined(__powerpc64__)
extern "C" {
intptr_t SyscallAsm(intptr_t nr, const intptr_t args[6]);
}
@@ -429,6 +473,8 @@ intptr_t Syscall::Call(int nr,
ret = inout;
}
+#elif defined(__powerpc64__)
+ intptr_t ret = SyscallAsm(nr, args);
#else
#error "Unimplemented architecture"
#endif
@@ -445,8 +491,18 @@ void Syscall::PutValueInUcontext(intptr_t ret_val, ucontext_t* ctx) {
// needs to be changed back.
ret_val = -ret_val;
SECCOMP_PARM4(ctx) = 1;
- } else
+ } else {
SECCOMP_PARM4(ctx) = 0;
+ }
+#endif
+#if defined(__powerpc64__)
+ // Same as MIPS, need to invert ret and set error register (cr0.SO)
+ if (ret_val <= -1 && ret_val >= -4095) {
+ ret_val = -ret_val;
+ ctx->uc_mcontext.regs->ccr |= (1 << 28);
+ } else {
+ ctx->uc_mcontext.regs->ccr &= ~(1 << 28);
+ }
#endif
SECCOMP_RESULT(ctx) = static_cast<greg_t>(ret_val);
}
diff --git sandbox/linux/seccomp-bpf/trap.cc sandbox/linux/seccomp-bpf/trap.cc
index f5b86a73a..5e6c4a068 100644
--- sandbox/linux/seccomp-bpf/trap.cc
+++ sandbox/linux/seccomp-bpf/trap.cc
@@ -232,6 +232,20 @@ void Trap::SigSys(int nr, LinuxSigInfo* info, ucontext_t* ctx) {
SetIsInSigHandler();
}
+#if defined(__powerpc64__)
+ // On ppc64+glibc, some syscalls seem to accidentally negate the first
+ // parameter which causes checks against it to fail. For now, manually
+ // negate them back.
+ // TODO(shawn@anastas.io): investigate this issue further
+ auto nr = SECCOMP_SYSCALL(ctx);
+ if (nr == __NR_openat || nr == __NR_mkdirat || nr == __NR_faccessat || nr == __NR_readlinkat ||
+ nr == __NR_renameat || nr == __NR_renameat2 || nr == __NR_newfstatat || nr == __NR_unlinkat) {
+ if (static_cast<int>(SECCOMP_PARM1(ctx)) > 0) {
+ SECCOMP_PARM1(ctx) = -SECCOMP_PARM1(ctx);
+ }
+ }
+#endif
+
// Copy the seccomp-specific data into a arch_seccomp_data structure. This
// is what we are showing to TrapFnc callbacks that the system call
// evaluator registered with the sandbox.
diff --git sandbox/linux/services/credentials.cc sandbox/linux/services/credentials.cc
index d7b5d8c44..4adc6d0d4 100644
--- sandbox/linux/services/credentials.cc
+++ sandbox/linux/services/credentials.cc
@@ -81,7 +81,7 @@ bool ChrootToSafeEmptyDir() {
pid_t pid = -1;
alignas(16) char stack_buf[PTHREAD_STACK_MIN];
#if defined(ARCH_CPU_X86_FAMILY) || defined(ARCH_CPU_ARM_FAMILY) || \
- defined(ARCH_CPU_MIPS_FAMILY)
+ defined(ARCH_CPU_MIPS_FAMILY) || defined(ARCH_CPU_PPC64_FAMILY)
// The stack grows downward.
void* stack = stack_buf + sizeof(stack_buf);
#else
diff --git sandbox/linux/services/syscall_wrappers.cc sandbox/linux/services/syscall_wrappers.cc
index fcfd2aa12..f6eb32fb7 100644
--- sandbox/linux/services/syscall_wrappers.cc
+++ sandbox/linux/services/syscall_wrappers.cc
@@ -58,7 +58,7 @@ long sys_clone(unsigned long flags,
#if defined(ARCH_CPU_X86_64)
return syscall(__NR_clone, flags, child_stack, ptid, ctid, tls);
#elif defined(ARCH_CPU_X86) || defined(ARCH_CPU_ARM_FAMILY) || \
- defined(ARCH_CPU_MIPS_FAMILY)
+ defined(ARCH_CPU_MIPS_FAMILY) || defined(ARCH_CPU_PPC64_FAMILY)
// CONFIG_CLONE_BACKWARDS defined.
return syscall(__NR_clone, flags, child_stack, ptid, tls, ctid);
#endif
diff --git sandbox/linux/syscall_broker/broker_process.cc sandbox/linux/syscall_broker/broker_process.cc
index d72c9d238..77f1d95f5 100644
--- sandbox/linux/syscall_broker/broker_process.cc
+++ sandbox/linux/syscall_broker/broker_process.cc
@@ -169,7 +169,7 @@ bool BrokerProcess::IsSyscallBrokerable(int sysno, bool fast_check) const {
#if defined(__NR_fstatat64)
case __NR_fstatat64:
#endif
-#if defined(__x86_64__) || defined(__aarch64__)
+#if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__)
case __NR_newfstatat:
#endif
return !fast_check || allowed_command_set_.test(COMMAND_STAT);
diff --git sandbox/linux/system_headers/linux_seccomp.h sandbox/linux/system_headers/linux_seccomp.h
index 1fa47ed09..39cc9ab53 100644
--- sandbox/linux/system_headers/linux_seccomp.h
+++ sandbox/linux/system_headers/linux_seccomp.h
@@ -41,6 +41,9 @@
#ifndef EM_AARCH64
#define EM_AARCH64 183
#endif
+#ifndef EM_PPC64
+#define EM_PPC64 21
+#endif
#ifndef __AUDIT_ARCH_64BIT
#define __AUDIT_ARCH_64BIT 0x80000000
@@ -73,6 +76,12 @@
#ifndef AUDIT_ARCH_AARCH64
#define AUDIT_ARCH_AARCH64 (EM_AARCH64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE)
#endif
+#ifndef AUDIT_ARCH_PPC64
+#define AUDIT_ARCH_PPC64 (EM_PPC64 | __AUDIT_ARCH_64BIT)
+#endif
+#ifndef AUDIT_ARCH_PPC64LE
+#define AUDIT_ARCH_PPC64LE (EM_PPC64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE)
+#endif
// For prctl.h
#ifndef PR_SET_SECCOMP
diff --git sandbox/linux/system_headers/linux_signal.h sandbox/linux/system_headers/linux_signal.h
index f5a736761..515b21a5f 100644
--- sandbox/linux/system_headers/linux_signal.h
+++ sandbox/linux/system_headers/linux_signal.h
@@ -13,7 +13,7 @@
// (not undefined, but defined different values and in different memory
// layouts). So, fill the gap here.
#if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
#define LINUX_SIGHUP 1
#define LINUX_SIGINT 2
diff --git sandbox/linux/system_headers/linux_syscalls.h sandbox/linux/system_headers/linux_syscalls.h
index 2b78a0cc3..0a70f5ea5 100644
--- sandbox/linux/system_headers/linux_syscalls.h
+++ sandbox/linux/system_headers/linux_syscalls.h
@@ -35,5 +35,9 @@
#include "sandbox/linux/system_headers/arm64_linux_syscalls.h"
#endif
+#if defined(__powerpc64__)
+#include "sandbox/linux/system_headers/ppc64_linux_syscalls.h"
+#endif
+
#endif // SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_SYSCALLS_H_
diff --git sandbox/linux/system_headers/linux_ucontext.h sandbox/linux/system_headers/linux_ucontext.h
index 22ce78027..a69b024c2 100644
--- sandbox/linux/system_headers/linux_ucontext.h
+++ sandbox/linux/system_headers/linux_ucontext.h
@@ -11,6 +11,8 @@
#include "sandbox/linux/system_headers/arm_linux_ucontext.h"
#elif defined(__i386__)
#include "sandbox/linux/system_headers/i386_linux_ucontext.h"
+#elif defined(__powerpc64__)
+#include "sandbox/linux/system_headers/ppc64_linux_ucontext.h"
#else
#error "No support for your architecture in PNaCl header"
#endif
diff --git sandbox/linux/system_headers/ppc64_linux_syscalls.h sandbox/linux/system_headers/ppc64_linux_syscalls.h
new file mode 100644
index 000000000..ccacffe22
--- /dev/null
+++ sandbox/linux/system_headers/ppc64_linux_syscalls.h
@@ -0,0 +1,12 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_SYSCALLS_H_
+#define SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_SYSCALLS_H_
+
+#include <asm/unistd.h>
+
+//TODO: is it necessary to redefine syscall numbers for PPC64?
+
+#endif // SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_SYSCALLS_H_
diff --git sandbox/linux/system_headers/ppc64_linux_ucontext.h sandbox/linux/system_headers/ppc64_linux_ucontext.h
new file mode 100644
index 000000000..07728e087
--- /dev/null
+++ sandbox/linux/system_headers/ppc64_linux_ucontext.h
@@ -0,0 +1,12 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_UCONTEXT_H_
+#define SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_UCONTEXT_H_
+
+#include <sys/ucontext.h>
+
+//TODO: is it necessary to redefine ucontext on PPC64?
+
+#endif // SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_UCONTEXT_H_
diff --git sandbox/policy/linux/bpf_renderer_policy_linux.cc sandbox/policy/linux/bpf_renderer_policy_linux.cc
index 2588fc792..d455c4601 100644
--- sandbox/policy/linux/bpf_renderer_policy_linux.cc
+++ sandbox/policy/linux/bpf_renderer_policy_linux.cc
@@ -15,6 +15,11 @@
#include "sandbox/linux/system_headers/linux_syscalls.h"
#include "sandbox/policy/linux/sandbox_linux.h"
+// On PPC64, TCGETS is defined in terms of struct termios, so we must include termios.h
+#ifdef __powerpc64__
+#include <termios.h>
+#endif
+
// TODO(vignatti): replace the local definitions below with #include
// <linux/dma-buf.h> once kernel version 4.6 becomes widely used.
#include <linux/types.h>
diff --git third_party/angle/src/compiler/translator/InfoSink.h third_party/angle/src/compiler/translator/InfoSink.h
index 3a807e1e3..5258617a7 100644
--- third_party/angle/src/compiler/translator/InfoSink.h
+++ third_party/angle/src/compiler/translator/InfoSink.h
@@ -92,7 +92,16 @@ class TInfoSinkBase
stream.precision(8);
stream << f;
}
- sink.append(stream.str());
+
+ // Hack to work around a bug where negative floating point values
+ // are rendered like '.0.5' instead of '-0.5'
+ std::string res(stream.str());
+
+ if (signbit(f)) { // test if f is negative
+ res[0] = '-';
+ }
+
+ sink.append(res);
return *this;
}
// Write boolean values as their names instead of integral value.
diff --git third_party/angle/src/libANGLE/Constants.h third_party/angle/src/libANGLE/Constants.h
index fcbc9246a..39ae66148 100644
--- third_party/angle/src/libANGLE/Constants.h
+++ third_party/angle/src/libANGLE/Constants.h
@@ -9,6 +9,7 @@
#ifndef LIBANGLE_CONSTANTS_H_
#define LIBANGLE_CONSTANTS_H_
+#include <cstddef>
#include "common/platform.h"
#include <stdint.h>
diff --git third_party/boringssl/BUILD.gn third_party/boringssl/BUILD.gn
index 17cf9cda9..8ce96bd32 100644
--- third_party/boringssl/BUILD.gn
+++ third_party/boringssl/BUILD.gn
@@ -103,6 +103,13 @@ if (is_win && !is_msan && current_cpu != "arm64") {
} else {
public_configs = [ ":no_asm_config" ]
}
+ } else if (current_cpu == "ppc64") {
+ if (is_linux) {
+ # TODO: ppc64 (be) check
+ sources += crypto_sources_linux_ppc64le
+ } else {
+ public_configs = [ ":no_asm_config" ]
+ }
} else {
public_configs = [ ":no_asm_config" ]
}
diff --git third_party/breakpad/BUILD.gn third_party/breakpad/BUILD.gn
index 4af3d7bbf..adbf54159 100644
--- third_party/breakpad/BUILD.gn
+++ third_party/breakpad/BUILD.gn
@@ -596,7 +596,6 @@ if (is_linux || is_chromeos || is_android) {
"breakpad/src/client/minidump_file_writer.h",
"breakpad/src/common/convert_UTF.cc",
"breakpad/src/common/convert_UTF.h",
- "breakpad/src/common/linux/breakpad_getcontext.S",
"breakpad/src/common/linux/elf_core_dump.cc",
"breakpad/src/common/linux/elf_core_dump.h",
"breakpad/src/common/linux/elfutils.cc",
@@ -634,6 +633,14 @@ if (is_linux || is_chromeos || is_android) {
libs = [ "dl" ]
+ if (current_cpu == "ppc64") {
+ defines = [ "HAVE_GETCONTEXT" ]
+ } else {
+ sources += [
+ "breakpad/src/common/linux/breakpad_getcontext.S"
+ ]
+ }
+
include_dirs = [
".",
"breakpad/src",
@@ -682,7 +689,6 @@ if (is_linux || is_chromeos || is_android) {
"breakpad/src/client/linux/minidump_writer/minidump_writer_unittest.cc",
"breakpad/src/client/linux/minidump_writer/minidump_writer_unittest_utils.cc",
"breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader_unittest.cc",
- "breakpad/src/common/linux/breakpad_getcontext_unittest.cc",
"breakpad/src/common/linux/elf_core_dump_unittest.cc",
"breakpad/src/common/linux/file_id_unittest.cc",
"breakpad/src/common/linux/linux_libc_support_unittest.cc",
diff --git third_party/breakpad/breakpad/src/client/linux/dump_writer_common/raw_context_cpu.h third_party/breakpad/breakpad/src/client/linux/dump_writer_common/raw_context_cpu.h
index 07d9171a0..9aed4cb36 100644
--- third_party/breakpad/breakpad/src/client/linux/dump_writer_common/raw_context_cpu.h
+++ third_party/breakpad/breakpad/src/client/linux/dump_writer_common/raw_context_cpu.h
@@ -44,6 +44,8 @@ typedef MDRawContextARM RawContextCPU;
typedef MDRawContextARM64_Old RawContextCPU;
#elif defined(__mips__)
typedef MDRawContextMIPS RawContextCPU;
+#elif defined(__powerpc64__)
+typedef MDRawContextPPC64 RawContextCPU;
#else
#error "This code has not been ported to your platform yet."
#endif
diff --git third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.cc third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.cc
index aae1dc13b..03afec7a5 100644
--- third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.cc
+++ third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.cc
@@ -270,7 +270,42 @@ void ThreadInfo::FillCPUContext(RawContextCPU* out) const {
out->float_save.fir = mcontext.fpc_eir;
#endif
}
-#endif // __mips__
+
+#elif defined(__powerpc64__)
+
+uintptr_t ThreadInfo::GetInstructionPointer() const {
+ return mcontext.gp_regs[PT_NIP];
+}
+
+void ThreadInfo::FillCPUContext(RawContextCPU* out) const {
+ out->context_flags = MD_CONTEXT_PPC64_FULL;
+ for (int i = 0; i < MD_CONTEXT_PPC64_GPR_COUNT; i++)
+ out->gpr[i] = mcontext.gp_regs[i];
+
+ out->lr = mcontext.gp_regs[PT_LNK];
+ out->srr0 = mcontext.gp_regs[PT_NIP];
+ out->srr1 = mcontext.gp_regs[PT_MSR];
+ out->cr = mcontext.gp_regs[PT_CCR];
+ out->xer = mcontext.gp_regs[PT_XER];
+ out->ctr = mcontext.gp_regs[PT_CTR];
+
+ for (int i = 0; i < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT; i++)
+ out->float_save.fpregs[i] = mcontext.fp_regs[i];
+
+ out->float_save.fpscr = mcontext.fp_regs[NFPREG-1];
+
+ for (int i = 0; i < MD_VECTORSAVEAREA_PPC_VR_COUNT; i++)
+ out->vector_save.save_vr[i] = \
+ {(((uint64_t)vregs.vrregs[i][0]) << 32)
+ | vregs.vrregs[i][1],
+ (((uint64_t)vregs.vrregs[i][2]) << 32)
+ | vregs.vrregs[i][3]};
+
+ out->vrsave = vregs.vrsave;
+ out->vector_save.save_vscr = {0, vregs.vscr.vscr_word};
+ out->vector_save.save_vrvalid = 0xFFFFFFFF;
+}
+#endif // __powerpc64__
void ThreadInfo::GetGeneralPurposeRegisters(void** gp_regs, size_t* size) {
assert(gp_regs || size);
@@ -279,6 +314,11 @@ void ThreadInfo::GetGeneralPurposeRegisters(void** gp_regs, size_t* size) {
*gp_regs = mcontext.gregs;
if (size)
*size = sizeof(mcontext.gregs);
+#elif defined(__powerpc64__)
+ if (gp_regs)
+ *gp_regs = mcontext.gp_regs;
+ if (size)
+ *size = sizeof(mcontext.gp_regs);
#else
if (gp_regs)
*gp_regs = &regs;
@@ -294,6 +334,11 @@ void ThreadInfo::GetFloatingPointRegisters(void** fp_regs, size_t* size) {
*fp_regs = &mcontext.fpregs;
if (size)
*size = sizeof(mcontext.fpregs);
+#elif defined(__powerpc64__)
+ if (fp_regs)
+ *fp_regs = &mcontext.fp_regs;
+ if (size)
+ *size = sizeof(mcontext.fp_regs);
#else
if (fp_regs)
*fp_regs = &fpregs;
@@ -302,4 +347,13 @@ void ThreadInfo::GetFloatingPointRegisters(void** fp_regs, size_t* size) {
#endif
}
+#if defined(__powerpc64__)
+void ThreadInfo::GetVectorRegisters(void** v_regs, size_t* size) {
+ if (v_regs)
+ *v_regs = &vregs;
+ if (size)
+ *size = sizeof(vregs);
+}
+#endif
+
} // namespace google_breakpad
diff --git third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.h third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.h
index fb216fa6d..593aac822 100644
--- third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.h
+++ third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.h
@@ -68,6 +68,10 @@ struct ThreadInfo {
// Use the structures defined in <sys/user.h>
struct user_regs_struct regs;
struct user_fpsimd_struct fpregs;
+#elif defined(__powerpc64__)
+ // Use the structures defined in <sys/ucontext.h>.
+ mcontext_t mcontext;
+ vrregset_t vregs;
#elif defined(__mips__)
// Use the structure defined in <sys/ucontext.h>.
mcontext_t mcontext;
@@ -84,6 +88,11 @@ struct ThreadInfo {
// Returns the pointer and size of float point register area.
void GetFloatingPointRegisters(void** fp_regs, size_t* size);
+
+#if defined(__powerpc64__)
+ // Returns the pointer and size of the vector register area. (PPC64 only)
+ void GetVectorRegisters(void** v_regs, size_t* size);
+#endif
};
} // namespace google_breakpad
diff --git third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
index 6eec1be24..741983a1a 100644
--- third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
+++ third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
@@ -254,6 +254,48 @@ void UContextReader::FillCPUContext(RawContextCPU* out, const ucontext_t* uc) {
out->float_save.fir = uc->uc_mcontext.fpc_eir; // Unused.
#endif
}
+
+#elif defined(__powerpc64__)
+
+uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
+ return uc->uc_mcontext.gp_regs[MD_CONTEXT_PPC64_REG_SP];
+}
+
+uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
+ return uc->uc_mcontext.gp_regs[PT_NIP];
+}
+
+void UContextReader::FillCPUContext(RawContextCPU* out, const ucontext_t* uc,
+ const vrregset_t* vregs) {
+ out->context_flags = MD_CONTEXT_PPC64_FULL;
+
+ for (int i = 0; i < MD_CONTEXT_PPC64_GPR_COUNT; i++)
+ out->gpr[i] = uc->uc_mcontext.gp_regs[i];
+
+ out->lr = uc->uc_mcontext.gp_regs[PT_LNK];
+ out->srr0 = uc->uc_mcontext.gp_regs[PT_NIP];
+ out->srr1 = uc->uc_mcontext.gp_regs[PT_MSR];
+ out->cr = uc->uc_mcontext.gp_regs[PT_CCR];
+ out->xer = uc->uc_mcontext.gp_regs[PT_XER];
+ out->ctr = uc->uc_mcontext.gp_regs[PT_CTR];
+
+ for (int i = 0; i < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT; i++)
+ out->float_save.fpregs[i] = uc->uc_mcontext.fp_regs[i];
+
+ out->float_save.fpscr = uc->uc_mcontext.fp_regs[NFPREG-1];
+
+ for (int i = 0; i < MD_VECTORSAVEAREA_PPC_VR_COUNT; i++)
+ out->vector_save.save_vr[i] =
+ {(((uint64_t)vregs->vrregs[i][0]) << 32)
+ | vregs->vrregs[i][1],
+ (((uint64_t)vregs->vrregs[i][2]) << 32)
+ | vregs->vrregs[i][3]};
+
+ out->vrsave = vregs->vrsave;
+ out->vector_save.save_vscr = {0, vregs->vscr.vscr_word};
+ out->vector_save.save_vrvalid = 0xFFFFFFFF;
+}
+
#endif
} // namespace google_breakpad
diff --git third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
index 7d4100881..c122ac92e 100644
--- third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
+++ third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
@@ -55,6 +55,9 @@ struct UContextReader {
#elif defined(__aarch64__)
static void FillCPUContext(RawContextCPU* out, const ucontext_t* uc,
const struct fpsimd_context* fpregs);
+#elif defined(__powerpc64__)
+ static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
+ const vrregset_t* vregs);
#else
static void FillCPUContext(RawContextCPU* out, const ucontext_t* uc);
#endif
diff --git third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
index a6cb5f984..ae16b64d9 100644
--- third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
+++ third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
@@ -461,9 +461,16 @@ bool ExceptionHandler::HandleSignal(int /*sig*/, siginfo_t* info, void* uc) {
memcpy(&g_crash_context_.float_state, fp_ptr,
sizeof(g_crash_context_.float_state));
}
+#elif defined(__powerpc64__)
+ // On PPC64, we must copy VR state
+ ucontext_t* uc_ptr = (ucontext_t*)uc;
+ if (uc_ptr->uc_mcontext.v_regs) {
+ memcpy(&g_crash_context_.vector_state, uc_ptr->uc_mcontext.v_regs,
+ sizeof(g_crash_context_.vector_state));
+ }
#elif !defined(__ARM_EABI__) && !defined(__mips__)
// FP state is not part of user ABI on ARM Linux.
- // In case of MIPS Linux FP state is already part of ucontext_t
+ // In case of MIPS, Linux FP state is already part of ucontext_t
// and 'float_state' is not a member of CrashContext.
ucontext_t* uc_ptr = (ucontext_t*)uc;
if (uc_ptr->uc_mcontext.fpregs) {
@@ -708,11 +715,19 @@ bool ExceptionHandler::WriteMinidump() {
}
#endif
-#if !defined(__ARM_EABI__) && !defined(__aarch64__) && !defined(__mips__)
+#if !defined(__ARM_EABI__) && !defined(__aarch64__) && !defined(__mips__) \
+ && !defined(__powerpc64__)
// FPU state is not part of ARM EABI ucontext_t.
memcpy(&context.float_state, context.context.uc_mcontext.fpregs,
sizeof(context.float_state));
#endif
+
+#if defined(__powerpc64__)
+ // Vector registers must be copied on PPC64
+ memcpy(&context.vector_state, context.context.uc_mcontext.v_regs,
+ sizeof(context.vector_state));
+#endif
+
context.tid = sys_gettid();
// Add an exception stream to the minidump for better reporting.
@@ -733,6 +748,9 @@ bool ExceptionHandler::WriteMinidump() {
#elif defined(__mips__)
context.siginfo.si_addr =
reinterpret_cast<void*>(context.context.uc_mcontext.pc);
+#elif defined(__powerpc64__)
+ context.siginfo.si_addr =
+ reinterpret_cast<void*>(context.context.uc_mcontext.gp_regs[PT_NIP]);
#else
#error "This code has not been ported to your platform yet."
#endif
diff --git third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.h third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.h
index f80843ea7..260dd10f7 100644
--- third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.h
+++ third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.h
@@ -192,7 +192,11 @@ class ExceptionHandler {
siginfo_t siginfo;
pid_t tid; // the crashing thread.
ucontext_t context;
-#if !defined(__ARM_EABI__) && !defined(__mips__)
+#if defined(__powerpc64__)
+ // PPC64's FP state is a part of ucontext_t like MIPS but the vector
+ // state is not, so a struct is needed.
+ vstate_t vector_state;
+#elif !defined(__ARM_EABI__) && !defined(__mips__)
// #ifdef this out because FP state is not part of user ABI for Linux ARM.
// In case of MIPS Linux FP state is already part of ucontext_t so
// 'float_state' is not required.
diff --git third_party/breakpad/breakpad/src/client/linux/handler/exception_handler_unittest.cc third_party/breakpad/breakpad/src/client/linux/handler/exception_handler_unittest.cc
index 35dcbfd4d..7934370fd 100644
--- third_party/breakpad/breakpad/src/client/linux/handler/exception_handler_unittest.cc
+++ third_party/breakpad/breakpad/src/client/linux/handler/exception_handler_unittest.cc
@@ -307,7 +307,7 @@ TEST(ExceptionHandlerTest, ParallelChildCrashesDontHang) {
}
// Wait a while until the child should have crashed.
- usleep(1000000);
+ usleep(2000000);
// Kill the child if it is still running.
kill(child, SIGKILL);
@@ -559,6 +559,8 @@ const unsigned char kIllegalInstruction[] = {
#if defined(__mips__)
// mfc2 zero,Impl - usually illegal in userspace.
0x48, 0x00, 0x00, 0x48
+#elif defined(__powerpc64__)
+ 0x01, 0x01, 0x01, 0x01 // Crashes on a tested POWER9 cpu
#else
// This crashes with SIGILL on x86/x86-64/arm.
0xff, 0xff, 0xff, 0xff
@@ -754,10 +756,10 @@ TEST(ExceptionHandlerTest, InstructionPointerMemoryMaxBound) {
// These are defined here so the parent can use them to check the
// data from the minidump afterwards.
- // Use 4k here because the OS will hand out a single page even
+ // Use the page size here because the OS will hand out a single page even
// if a smaller size is requested, and this test wants to
// test the upper bound of the memory range.
- const uint32_t kMemorySize = 4096; // bytes
+ const uint32_t kMemorySize = getpagesize(); // bytes
const int kOffset = kMemorySize - sizeof(kIllegalInstruction);
const pid_t child = fork();
diff --git third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer.cc third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer.cc
index fa3c1713a..6ce709e2f 100644
--- third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer.cc
+++ third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer.cc
@@ -138,7 +138,9 @@ class MicrodumpWriter {
const MicrodumpExtraInfo& microdump_extra_info,
LinuxDumper* dumper)
: ucontext_(context ? &context->context : NULL),
-#if !defined(__ARM_EABI__) && !defined(__mips__)
+#if defined(__powerpc64__)
+ vector_state_(context ? &context->vector_state : NULL),
+#elif !defined(__ARM_EABI__) && !defined(__mips__)
float_state_(context ? &context->float_state : NULL),
#endif
dumper_(dumper),
@@ -337,6 +339,8 @@ class MicrodumpWriter {
# else
# error "This mips ABI is currently not supported (n32)"
#endif
+#elif defined(__powerpc64__)
+ const char kArch[] = "ppc64";
#else
#error "This code has not been ported to your platform yet"
#endif
@@ -409,7 +413,9 @@ class MicrodumpWriter {
void DumpCPUState() {
RawContextCPU cpu;
my_memset(&cpu, 0, sizeof(RawContextCPU));
-#if !defined(__ARM_EABI__) && !defined(__mips__)
+#if defined(__powerpc64__)
+ UContextReader::FillCPUContext(&cpu, ucontext_, vector_state_);
+#elif !defined(__ARM_EABI__) && !defined(__mips__)
UContextReader::FillCPUContext(&cpu, ucontext_, float_state_);
#else
UContextReader::FillCPUContext(&cpu, ucontext_);
@@ -605,7 +611,9 @@ class MicrodumpWriter {
void* Alloc(unsigned bytes) { return dumper_->allocator()->Alloc(bytes); }
const ucontext_t* const ucontext_;
-#if !defined(__ARM_EABI__) && !defined(__mips__)
+#if defined(__powerpc64__)
+ const google_breakpad::vstate_t* const vector_state_;
+#elif !defined(__ARM_EABI__) && !defined(__mips__)
const google_breakpad::fpstate_t* const float_state_;
#endif
LinuxDumper* dumper_;
diff --git third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer_unittest.cc third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer_unittest.cc
index 6339ac0cd..291af106b 100644
--- third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer_unittest.cc
+++ third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer_unittest.cc
@@ -279,10 +279,19 @@ TEST(MicrodumpWriterTest, BasicWithMappings) {
CrashAndGetMicrodump(mappings, MicrodumpExtraInfo(), &buf);
ASSERT_TRUE(ContainsMicrodump(buf));
+ int page_size = getpagesize();
#ifdef __LP64__
- ASSERT_NE(std::string::npos,
- buf.find("M 0000000000001000 000000000000002A 0000000000001000 "
- "33221100554477668899AABBCCDDEEFF0 libfoo.so"));
+ // This test is only available for the following page sizes
+ ASSERT_TRUE((page_size == 4096) || (page_size == 65536));
+ if (page_size == 4096) {
+ ASSERT_NE(std::string::npos,
+ buf.find("M 0000000000001000 000000000000002A 0000000000001000 "
+ "33221100554477668899AABBCCDDEEFF0 libfoo.so"));
+ } else {
+ ASSERT_NE(std::string::npos,
+ buf.find("M 0000000000010000 000000000000002A 0000000000010000 "
+ "33221100554477668899AABBCCDDEEFF0 libfoo.so"));
+ }
#else
ASSERT_NE(std::string::npos,
buf.find("M 00001000 0000002A 00001000 "
diff --git third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_core_dumper.cc third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_core_dumper.cc
index 415068983..b93e4afcf 100644
--- third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_core_dumper.cc
+++ third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_core_dumper.cc
@@ -112,6 +112,9 @@ bool LinuxCoreDumper::GetThreadInfoByIndex(size_t index, ThreadInfo* info) {
#elif defined(__mips__)
stack_pointer =
reinterpret_cast<uint8_t*>(info->mcontext.gregs[MD_CONTEXT_MIPS_REG_SP]);
+#elif defined(__powerpc64__)
+ stack_pointer =
+ reinterpret_cast<uint8_t*>(info->mcontext.gp_regs[MD_CONTEXT_PPC64_REG_SP]);
#else
#error "This code hasn't been ported to your platform yet."
#endif
@@ -197,7 +200,10 @@ bool LinuxCoreDumper::EnumerateThreads() {
memset(&info, 0, sizeof(ThreadInfo));
info.tgid = status->pr_pgrp;
info.ppid = status->pr_ppid;
-#if defined(__mips__)
+#if defined(__powerpc64__)
+ for (int i = 0; i < 31; i++)
+ info.mcontext.gp_regs[i] = status->pr_reg[i];
+#elif defined(__mips__)
#if defined(__ANDROID__)
for (int i = EF_R0; i <= EF_R31; i++)
info.mcontext.gregs[i - EF_R0] = status->pr_reg[i];
diff --git third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.cc third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.cc
index 7fd6532ad..199cbfffd 100644
--- third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.cc
+++ third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.cc
@@ -765,7 +765,9 @@ bool LinuxDumper::GetStackInfo(const void** stack, size_t* stack_len,
reinterpret_cast<uint8_t*>(int_stack_pointer & ~(page_size - 1));
// The number of bytes of stack which we try to capture.
- static const ptrdiff_t kStackToCapture = 32 * 1024;
+ // This now depends on page_size to avoid missing data
+ // on systems with larger page sizes.
+ static const ptrdiff_t kStackToCapture = 8 * page_size;
const MappingInfo* mapping = FindMapping(stack_pointer);
if (!mapping)
diff --git third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.h third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.h
index 7bee160f1..07bb2b81a 100644
--- third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.h
+++ third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.h
@@ -63,7 +63,8 @@ namespace google_breakpad {
(defined(__mips__) && _MIPS_SIM == _ABIO32)
typedef Elf32_auxv_t elf_aux_entry;
#elif defined(__x86_64) || defined(__aarch64__) || \
- (defined(__mips__) && _MIPS_SIM != _ABIO32)
+ (defined(__mips__) && _MIPS_SIM != _ABIO32) || \
+ defined(__powerpc64__)
typedef Elf64_auxv_t elf_aux_entry;
#endif
diff --git third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc
index 331f4bb34..3f722947f 100644
--- third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc
+++ third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc
@@ -51,6 +51,8 @@
#define TID_PTR_REGISTER "rcx"
#elif defined(__mips__)
#define TID_PTR_REGISTER "$1"
+#elif defined(__powerpc64__)
+#define TID_PTR_REGISTER "r8"
#else
#error This test has not been ported to this platform.
#endif
diff --git third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.cc third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.cc
index e3ddb81a6..fa28575ef 100644
--- third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.cc
+++ third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.cc
@@ -149,19 +149,27 @@ bool LinuxPtraceDumper::CopyFromProcess(void* dest, pid_t child,
return true;
}
-bool LinuxPtraceDumper::ReadRegisterSet(ThreadInfo* info, pid_t tid)
-{
+bool LinuxPtraceDumper::ReadRegisterSet(ThreadInfo* info, pid_t tid) {
#ifdef PTRACE_GETREGSET
struct iovec io;
info->GetGeneralPurposeRegisters(&io.iov_base, &io.iov_len);
- if (sys_ptrace(PTRACE_GETREGSET, tid, (void*)NT_PRSTATUS, (void*)&io) == -1) {
+ if (ptrace(PTRACE_GETREGSET, tid, (void*)NT_PRSTATUS, (void*)&io) == -1) {
return false;
}
info->GetFloatingPointRegisters(&io.iov_base, &io.iov_len);
- if (sys_ptrace(PTRACE_GETREGSET, tid, (void*)NT_FPREGSET, (void*)&io) == -1) {
+ if (ptrace(PTRACE_GETREGSET, tid, (void*)NT_FPREGSET, (void*)&io) == -1) {
return false;
}
+
+#if defined(__powerpc64__)
+ // Grab the vector registers on PPC64 too
+ info->GetVectorRegisters(&io.iov_base, &io.iov_len);
+ if (ptrace(PTRACE_GETREGSET, tid, (void*)NT_PPC_VMX, (void*)&io) == -1) {
+ return false;
+ }
+#endif // defined(__powerpc64__)
+
return true;
#else
return false;
@@ -298,6 +306,9 @@ bool LinuxPtraceDumper::GetThreadInfoByIndex(size_t index, ThreadInfo* info) {
#elif defined(__mips__)
stack_pointer =
reinterpret_cast<uint8_t*>(info->mcontext.gregs[MD_CONTEXT_MIPS_REG_SP]);
+#elif defined(__powerpc64__)
+ stack_pointer =
+ reinterpret_cast<uint8_t*>(info->mcontext.gp_regs[MD_CONTEXT_PPC64_REG_SP]);
#else
#error "This code hasn't been ported to your platform yet."
#endif
diff --git third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc
index da71e15dc..12bfb317a 100644
--- third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc
+++ third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc
@@ -462,6 +462,9 @@ TEST(LinuxPtraceDumperTest, VerifyStackReadWithMultipleThreads) {
#elif defined(__mips__)
pid_t* process_tid_location =
reinterpret_cast<pid_t*>(one_thread.mcontext.gregs[1]);
+#elif defined(__powerpc64__)
+ pid_t* process_tid_location =
+ reinterpret_cast<pid_t*>(one_thread.mcontext.gp_regs[8]);
#else
#error This test has not been ported to this platform.
#endif
@@ -559,6 +562,8 @@ TEST_F(LinuxPtraceDumperTest, SanitizeStackCopy) {
uintptr_t heap_addr = thread_info.regs.rcx;
#elif defined(__mips__)
uintptr_t heap_addr = thread_info.mcontext.gregs[1];
+#elif defined(__powerpc64__)
+ uintptr_t heap_addr = thread_info.mcontext.gp_regs[8];
#else
#error This test has not been ported to this platform.
#endif
diff --git third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.cc third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.cc
index 32634ef00..2a56948de 100644
--- third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.cc
+++ third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.cc
@@ -136,7 +136,9 @@ class MinidumpWriter {
: fd_(minidump_fd),
path_(minidump_path),
ucontext_(context ? &context->context : NULL),
-#if !defined(__ARM_EABI__) && !defined(__mips__)
+#if defined(__powerpc64__)
+ vector_state_(context ? &context->vector_state : NULL),
+#elif !defined(__ARM_EABI__) && !defined(__mips__)
float_state_(context ? &context->float_state : NULL),
#endif
dumper_(dumper),
@@ -468,7 +470,9 @@ class MinidumpWriter {
if (!cpu.Allocate())
return false;
my_memset(cpu.get(), 0, sizeof(RawContextCPU));
-#if !defined(__ARM_EABI__) && !defined(__mips__)
+#if defined(__powerpc64__)
+ UContextReader::FillCPUContext(cpu.get(), ucontext_, vector_state_);
+#elif !defined(__ARM_EABI__) && !defined(__mips__)
UContextReader::FillCPUContext(cpu.get(), ucontext_, float_state_);
#else
UContextReader::FillCPUContext(cpu.get(), ucontext_);
@@ -897,7 +901,7 @@ class MinidumpWriter {
dirent->location.rva = 0;
}
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || defined(__powerpc64__)
bool WriteCPUInformation(MDRawSystemInfo* sys_info) {
char vendor_id[sizeof(sys_info->cpu.x86_cpu_info.vendor_id) + 1] = {0};
static const char vendor_id_name[] = "vendor_id";
@@ -917,7 +921,9 @@ class MinidumpWriter {
// processor_architecture should always be set, do this first
sys_info->processor_architecture =
-#if defined(__mips__)
+#if defined(__powerpc64__)
+ MD_CPU_ARCHITECTURE_PPC64;
+#elif defined(__mips__)
# if _MIPS_SIM == _ABIO32
MD_CPU_ARCHITECTURE_MIPS;
# elif _MIPS_SIM == _ABI64
@@ -1333,7 +1339,9 @@ class MinidumpWriter {
const char* path_; // Path to the file where the minidum should be written.
const ucontext_t* const ucontext_; // also from the signal handler
-#if !defined(__ARM_EABI__) && !defined(__mips__)
+#if defined(__powerpc64__)
+ const google_breakpad::vstate_t* const vector_state_;
+#elif !defined(__ARM_EABI__) && !defined(__mips__)
const google_breakpad::fpstate_t* const float_state_; // ditto
#endif
LinuxDumper* dumper_;
diff --git third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.h third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.h
index e3b0b16da..ccd8aa0a4 100644
--- third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.h
+++ third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.h
@@ -48,6 +48,8 @@ class ExceptionHandler;
#if defined(__aarch64__)
typedef struct fpsimd_context fpstate_t;
+#elif defined(__powerpc64__)
+typedef vrregset_t vstate_t;
#elif !defined(__ARM_EABI__) && !defined(__mips__)
typedef std::remove_pointer<fpregset_t>::type fpstate_t;
#endif
diff --git third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer_unittest.cc third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer_unittest.cc
index d192e5cbb..fc1bfa8d7 100644
--- third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer_unittest.cc
+++ third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer_unittest.cc
@@ -715,6 +715,9 @@ TEST(MinidumpWriterTest, InvalidStackPointer) {
#elif defined(__mips__)
context.context.uc_mcontext.gregs[MD_CONTEXT_MIPS_REG_SP] =
invalid_stack_pointer;
+#elif defined(__powerpc64__)
+ context.context.uc_mcontext.gp_regs[MD_CONTEXT_PPC64_REG_SP] =
+ invalid_stack_pointer;
#else
# error "This code has not been ported to your platform yet."
#endif
diff --git third_party/breakpad/breakpad/src/common/linux/memory_mapped_file.cc third_party/breakpad/breakpad/src/common/linux/memory_mapped_file.cc
index 99362945c..c54ba7145 100644
--- third_party/breakpad/breakpad/src/common/linux/memory_mapped_file.cc
+++ third_party/breakpad/breakpad/src/common/linux/memory_mapped_file.cc
@@ -65,8 +65,7 @@ bool MemoryMappedFile::Map(const char* path, size_t offset) {
}
#if defined(__x86_64__) || defined(__aarch64__) || \
- (defined(__mips__) && _MIPS_SIM == _ABI64)
-
+ (defined(__mips__) && _MIPS_SIM == _ABI64) || defined(__powerpc64__)
struct kernel_stat st;
if (sys_fstat(fd, &st) == -1 || st.st_size < 0) {
#else
diff --git third_party/breakpad/breakpad/src/common/linux/memory_mapped_file_unittest.cc third_party/breakpad/breakpad/src/common/linux/memory_mapped_file_unittest.cc
index fad59f40c..616496d67 100644
--- third_party/breakpad/breakpad/src/common/linux/memory_mapped_file_unittest.cc
+++ third_party/breakpad/breakpad/src/common/linux/memory_mapped_file_unittest.cc
@@ -176,9 +176,10 @@ TEST_F(MemoryMappedFileTest, RemapAfterMap) {
TEST_F(MemoryMappedFileTest, MapWithOffset) {
// Put more data in the test file this time. Offsets can only be
// done on page boundaries, so we need a two page file to test this.
- const int page_size = 4096;
- char data1[2 * page_size];
- size_t data1_size = sizeof(data1);
+ const int page_size = getpagesize();
+ char *data1 = static_cast<char*>(malloc(2 * page_size));
+ EXPECT_TRUE(data1 != NULL);
+ size_t data1_size = (2 * page_size);
for (size_t i = 0; i < data1_size; ++i) {
data1[i] = i & 0x7f;
}
diff --git third_party/breakpad/breakpad/src/common/memory_allocator_unittest.cc third_party/breakpad/breakpad/src/common/memory_allocator_unittest.cc
index 5803b90d5..2a1cf14f0 100644
--- third_party/breakpad/breakpad/src/common/memory_allocator_unittest.cc
+++ third_party/breakpad/breakpad/src/common/memory_allocator_unittest.cc
@@ -57,8 +57,9 @@ TEST(PageAllocatorTest, LargeObject) {
EXPECT_EQ(0U, allocator.pages_allocated());
uint8_t* p = reinterpret_cast<uint8_t*>(allocator.Alloc(10000));
+ uint64_t expected_pages = 1 + ((10000 - 1) / getpagesize());
ASSERT_FALSE(p == NULL);
- EXPECT_EQ(3U, allocator.pages_allocated());
+ EXPECT_EQ(expected_pages, allocator.pages_allocated());
for (unsigned i = 1; i < 10; ++i) {
uint8_t* p = reinterpret_cast<uint8_t*>(allocator.Alloc(i));
ASSERT_FALSE(p == NULL);
diff --git third_party/breakpad/breakpad/src/processor/exploitability_linux.cc third_party/breakpad/breakpad/src/processor/exploitability_linux.cc
index 798056dfa..22bd81fff 100644
--- third_party/breakpad/breakpad/src/processor/exploitability_linux.cc
+++ third_party/breakpad/breakpad/src/processor/exploitability_linux.cc
@@ -202,12 +202,14 @@ bool ExploitabilityLinux::EndedOnIllegalWrite(uint64_t instruction_ptr) {
// Check architecture and set architecture variable to corresponding flag
// in objdump.
switch (context->GetContextCPU()) {
+#if defined(__i386) || defined(__x86_64)
case MD_CONTEXT_X86:
architecture = "i386";
break;
case MD_CONTEXT_AMD64:
architecture = "i386:x86-64";
break;
+#endif
default:
// Unsupported architecture. Note that ARM architectures are not
// supported because objdump does not support ARM.
diff --git third_party/breakpad/breakpad/src/processor/exploitability_unittest.cc third_party/breakpad/breakpad/src/processor/exploitability_unittest.cc
index 528ee5f21..72764d6c1 100644
--- third_party/breakpad/breakpad/src/processor/exploitability_unittest.cc
+++ third_party/breakpad/breakpad/src/processor/exploitability_unittest.cc
@@ -104,6 +104,8 @@ ExploitabilityFor(const string& filename) {
}
TEST(ExploitabilityTest, TestWindowsEngine) {
+// The following tests are only executable on an x86-class linux machine.
+#if !defined(_WIN32) && (defined(__i386) || defined(__x86_64))
ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
ExploitabilityFor("ascii_read_av.dmp"));
ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
@@ -136,9 +138,12 @@ TEST(ExploitabilityTest, TestWindowsEngine) {
ExploitabilityFor("read_av_clobber_write.dmp"));
ASSERT_EQ(google_breakpad::EXPLOITABILITY_LOW,
ExploitabilityFor("read_av_conditional.dmp"));
+#endif
}
TEST(ExploitabilityTest, TestLinuxEngine) {
+// The following tests are only executable on an x86-class linux machine.
+#if defined(__i386) || defined(__x86_64)
ASSERT_EQ(google_breakpad::EXPLOITABILITY_INTERESTING,
ExploitabilityFor("linux_null_read_av.dmp"));
ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
@@ -171,7 +176,8 @@ TEST(ExploitabilityTest, TestLinuxEngine) {
ExploitabilityFor("linux_executable_heap.dmp"));
ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
ExploitabilityFor("linux_jmp_to_module_not_exe_region.dmp"));
-#ifndef _WIN32
+#endif
+#if !defined(_WIN32) && (defined(__i386) || defined(__x86_64))
ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
ExploitabilityFor("linux_write_to_nonwritable_module.dmp"));
ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
@@ -182,10 +188,10 @@ TEST(ExploitabilityTest, TestLinuxEngine) {
ExploitabilityFor("linux_write_to_outside_module_via_math.dmp"));
ASSERT_EQ(google_breakpad::EXPLOITABILITY_INTERESTING,
ExploitabilityFor("linux_write_to_under_4k.dmp"));
-#endif // _WIN32
+#endif // !defined(_WIN32) && (!defined(__i386) && !defined(__x86_64))
}
-#ifndef _WIN32
+#if !defined(_WIN32) && (defined(__i386) || defined(__x86_64))
TEST(ExploitabilityLinuxUtilsTest, DisassembleBytesTest) {
ASSERT_FALSE(ExploitabilityLinuxTest::DisassembleBytes("", NULL, 5, NULL));
uint8_t bytes[6] = {0xc7, 0x0, 0x5, 0x0, 0x0, 0x0};
@@ -301,6 +307,7 @@ TEST(ExploitabilityLinuxUtilsTest, CalculateAddressTest) {
context,
&write_address));
}
-#endif // _WIN32
+#endif // !defined(_WIN32) && (defined(__i386) || defined(__x86_64))
+
} // namespace
diff --git third_party/breakpad/breakpad/src/tools/linux/md2core/minidump-2-core.cc third_party/breakpad/breakpad/src/tools/linux/md2core/minidump-2-core.cc
index aade82c99..195aa73f3 100644
--- third_party/breakpad/breakpad/src/tools/linux/md2core/minidump-2-core.cc
+++ third_party/breakpad/breakpad/src/tools/linux/md2core/minidump-2-core.cc
@@ -77,6 +77,8 @@
#define ELF_ARCH EM_MIPS
#elif defined(__aarch64__)
#define ELF_ARCH EM_AARCH64
+#elif defined(__powerpc64__)
+ #define ELF_ARCH EM_PPC64
#endif
#if defined(__arm__)
@@ -87,6 +89,8 @@ typedef user_regs user_regs_struct;
#elif defined (__mips__)
// This file-local typedef simplifies the source code.
typedef gregset_t user_regs_struct;
+#elif defined(__powerpc64__)
+typedef struct pt_regs user_regs_struct;
#endif
using google_breakpad::MDTypeHelper;
@@ -321,6 +325,9 @@ struct CrashedProcess {
#endif
#if defined(__aarch64__)
user_fpsimd_struct fpregs;
+#endif
+#if defined(__powerpc64__)
+ mcontext_t mcontext;
#endif
uintptr_t stack_addr;
const uint8_t* stack;
@@ -535,6 +542,38 @@ ParseThreadRegisters(CrashedProcess::Thread* thread,
thread->mcontext.fpc_eir = rawregs->float_save.fir;
#endif
}
+#elif defined(__powerpc64__)
+static void
+ParseThreadRegisters(CrashedProcess::Thread* thread,
+ const MinidumpMemoryRange& range) {
+ const MDRawContextPPC64* rawregs = range.GetData<MDRawContextPPC64>(0);
+
+ for (int i = 0; i < MD_CONTEXT_PPC64_GPR_COUNT; i++)
+ thread->mcontext.gp_regs[i] = rawregs->gpr[i];
+
+ thread->mcontext.gp_regs[PT_LNK] = rawregs->lr;
+ thread->mcontext.gp_regs[PT_NIP] = rawregs->srr0;
+ thread->mcontext.gp_regs[PT_MSR] = rawregs->srr1;
+ thread->mcontext.gp_regs[PT_CCR] = rawregs->cr;
+ thread->mcontext.gp_regs[PT_XER] = rawregs->xer;
+ thread->mcontext.gp_regs[PT_CTR] = rawregs->ctr;
+ thread->mcontext.v_regs->vrsave = rawregs->vrsave;
+
+ for (int i = 0; i < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT; i++)
+ thread->mcontext.fp_regs[i] = rawregs->float_save.fpregs[i];
+
+ thread->mcontext.fp_regs[NFPREG-1] = rawregs->float_save.fpscr;
+
+ for (int i = 0; i < MD_VECTORSAVEAREA_PPC_VR_COUNT; i++) {
+ thread->mcontext.v_regs->vrregs[i][0] = rawregs->vector_save.save_vr[i].high >> 32;
+ thread->mcontext.v_regs->vrregs[i][1] = rawregs->vector_save.save_vr[i].high;
+ thread->mcontext.v_regs->vrregs[i][2] = rawregs->vector_save.save_vr[i].low >> 32;
+ thread->mcontext.v_regs->vrregs[i][3] = rawregs->vector_save.save_vr[i].low;
+ }
+
+ thread->mcontext.v_regs->vscr.vscr_word = rawregs->vector_save.save_vscr.low & 0xFFFFFFFF;
+}
+
#else
#error "This code has not been ported to your platform yet"
#endif
@@ -623,6 +662,12 @@ ParseSystemInfo(const Options& options, CrashedProcess* crashinfo,
# else
# error "This mips ABI is currently not supported (n32)"
# endif
+#elif defined(__powerpc64__)
+ if (sysinfo->processor_architecture != MD_CPU_ARCHITECTURE_PPC64) {
+ fprintf(stderr,
+ "This version of minidump-2-core only supports PPC64.\n");
+ exit(1);
+ }
#else
#error "This code has not been ported to your platform yet"
#endif
diff --git third_party/crashpad/crashpad/CONTRIBUTORS third_party/crashpad/crashpad/CONTRIBUTORS
index 8724b7f32..8e29424ef 100644
--- third_party/crashpad/crashpad/CONTRIBUTORS
+++ third_party/crashpad/crashpad/CONTRIBUTORS
@@ -13,3 +13,4 @@ Mark Mentovai <mark@chromium.org>
Robert Sesek <rsesek@chromium.org>
Scott Graham <scottmg@chromium.org>
Joshua Peraza <jperaza@chromium.org>
+Shawn Anastasio <shawn@anastas.io>
diff --git third_party/crashpad/crashpad/compat/linux/sys/user.h third_party/crashpad/crashpad/compat/linux/sys/user.h
index 6ed77a98e..1fd83469a 100644
--- third_party/crashpad/crashpad/compat/linux/sys/user.h
+++ third_party/crashpad/crashpad/compat/linux/sys/user.h
@@ -15,6 +15,7 @@
#ifndef CRASHPAD_COMPAT_LINUX_SYS_USER_H_
#define CRASHPAD_COMPAT_LINUX_SYS_USER_H_
+#include <cstddef>
#include_next <sys/user.h>
#include <features.h>
diff --git third_party/crashpad/crashpad/minidump/minidump_context.h third_party/crashpad/crashpad/minidump/minidump_context.h
index 3a3e603cb..3118d9e9f 100644
--- third_party/crashpad/crashpad/minidump/minidump_context.h
+++ third_party/crashpad/crashpad/minidump/minidump_context.h
@@ -592,6 +592,70 @@ struct MinidumpContextMIPS64 {
uint64_t fir;
};
+//! \brief ppc64-specific flags for MinidumpPPC64::context_flags
+//! Based on minidump_cpu_ppc64.h from breakpad
+enum MinidumpContextPPC64Flags : uint32_t {
+ //! \brief Identifies the context as PPC64.
+ kMinidumpContextPPC64 = 0x01000000,
+
+ //! \brief Indicates the validity of general purpose registers.
+ //!
+ //! Registers `r0`-`r31`, `nip`, `msr`, `lr`, etc. are valid.
+ kMinidumpContextPPC64Base = kMinidumpContextPPC64 | 0x00000001,
+
+ //! \brief Indicates the validity of floating point registers.
+ //!
+ //! Registers `fp0`-`fp31`, `fpscr` are valid.
+ kMinidumpContextPPC64Floating = kMinidumpContextPPC64 | 0x00000008,
+
+ //! \brief Indicates the validity of Altivec/VMX registers.
+ //!
+ //! Registers `v0`-`v31`, `vscr`, `vrsave`.
+ kMinidumpContextPPC64Vector = kMinidumpContextPPC64 | 0x00000020,
+
+ //! \brief Indicates the validity of all registers
+ kMinidumpContextPPC64All = kMinidumpContextPPC64Base |
+ kMinidumpContextPPC64Floating |
+ kMinidumpContextPPC64Vector
+};
+
+//! \brief A PPC64 CPU context carried in a minidump file.
+//! Based on minidump_cpu_ppc64.h from breakpad.
+struct MinidumpContextPPC64 {
+ uint64_t context_flags;
+
+ //! \brief General purpose registers.
+ uint64_t nip;
+ uint64_t msr;
+ uint64_t regs[32];
+ uint64_t ccr;
+ uint64_t xer;
+ uint64_t lnk;
+ uint64_t ctr;
+
+ //! \brief Floating point registers.
+ double fpregs[32];
+
+ //! \brief FPU status register.
+ double fpscr;
+
+ //! \brief Altivec/VMX vector registers.
+ struct {
+ //! \brief Vector registers are 128bits.
+ uint128_struct save_vr[32];
+ uint128_struct save_vscr;
+
+ //! \brief Padding included for breakpad compatibiltiy.
+ uint32_t save_pad5[4];
+
+ //! \brief VRSAVE register.
+ uint32_t save_vrsave;
+
+ //! \brief Padding included for breakpad compatibiltiy.
+ uint32_t save_pad6[7];
+ } vregs;
+};
+
} // namespace crashpad
#endif // CRASHPAD_MINIDUMP_MINIDUMP_CONTEXT_H_
diff --git third_party/crashpad/crashpad/minidump/minidump_context_writer.cc third_party/crashpad/crashpad/minidump/minidump_context_writer.cc
index d7e53a493..d89eb9e01 100644
--- third_party/crashpad/crashpad/minidump/minidump_context_writer.cc
+++ third_party/crashpad/crashpad/minidump/minidump_context_writer.cc
@@ -101,6 +101,13 @@ MinidumpContextWriter::CreateFromSnapshot(const CPUContext* context_snapshot) {
break;
}
+ case kCPUArchitecturePPC64: {
+ context = std::make_unique<MinidumpContextPPC64Writer>();
+ reinterpret_cast<MinidumpContextPPC64Writer*>(context.get())
+ ->InitalizeFromSnapshot(context_snapshot->ppc64);
+ break;
+ }
+
default: {
LOG(ERROR) << "unknown context architecture "
<< context_snapshot->architecture;
@@ -453,4 +460,47 @@ size_t MinidumpContextMIPS64Writer::ContextSize() const {
return sizeof(context_);
}
+MinidumpContextPPC64Writer::MinidumpContextPPC64Writer()
+ : MinidumpContextWriter(), context_() {
+ context_.context_flags = kMinidumpContextPPC64;
+}
+
+MinidumpContextPPC64Writer::~MinidumpContextPPC64Writer() = default;
+
+void MinidumpContextPPC64Writer::InitalizeFromSnapshot(
+ const CPUContextPPC64* context_snapshot) {
+ DCHECK_EQ(state(), kStateMutable);
+ DCHECK_EQ(context_.context_flags, kMinidumpContextPPC64);
+
+ context_.context_flags = kMinidumpContextPPC64All;
+
+ memcpy(context_.regs, context_snapshot->regs, sizeof(context_.regs));
+ context_.nip = context_snapshot->nip;
+ context_.msr = context_snapshot->msr;
+ context_.ccr = context_snapshot->ccr;
+ context_.xer = context_snapshot->xer;
+ context_.lnk = context_snapshot->lnk;
+ context_.ctr = context_snapshot->ctr;
+
+ memcpy(context_.fpregs, context_snapshot->fpregs, sizeof(context_.fpregs));
+ context_.fpscr = context_snapshot->fpscr;
+
+ memcpy(context_.vregs.save_vr, context_snapshot->vregs.save_vr,
+ sizeof(context_.vregs.save_vr));
+ memcpy(&context_.vregs.save_vscr, &context_snapshot->vregs.save_vscr,
+ sizeof(context_.vregs.save_vscr));
+ context_.vregs.save_vrsave = context_snapshot->vregs.save_vrsave;
+}
+
+bool MinidumpContextPPC64Writer::WriteObject(
+ FileWriterInterface* file_writer) {
+ DCHECK_EQ(state(), kStateWritable);
+ return file_writer->Write(&context_, sizeof(context_));
+}
+
+size_t MinidumpContextPPC64Writer::ContextSize() const {
+ DCHECK_GE(state(), kStateFrozen);
+ return sizeof(context_);
+}
+
} // namespace crashpad
diff --git third_party/crashpad/crashpad/minidump/minidump_context_writer.h third_party/crashpad/crashpad/minidump/minidump_context_writer.h
index d4ab936ee..1d22fc59c 100644
--- third_party/crashpad/crashpad/minidump/minidump_context_writer.h
+++ third_party/crashpad/crashpad/minidump/minidump_context_writer.h
@@ -315,6 +315,45 @@ class MinidumpContextMIPS64Writer final : public MinidumpContextWriter {
DISALLOW_COPY_AND_ASSIGN(MinidumpContextMIPS64Writer);
};
+class MinidumpContextPPC64Writer final : public MinidumpContextWriter {
+ public:
+ MinidumpContextPPC64Writer();
+ ~MinidumpContextPPC64Writer() override;
+
+ //! \brief Initalizes the MinidumpContextPPC64 based on \a context_snapshot.
+ //!
+ //! \param[in] context_snapshot The context snapshot to use as source data.
+ //!
+ //! \note Valid in #kStateMutable. No mutation of context() may be done before
+ //! calling this method, and it is not normally necessary to alter
+ //! context() after calling this method.
+ void InitalizeFromSnapshot(const CPUContextPPC64* context_snapshot);
+
+ //! \brief Returns a pointer to the context structure that this object will
+ //! write.
+ //!
+ //! \attention This returns a non-`const` pointer to this object’s private
+ //! data so that a caller can populate the context structure directly.
+ //! This is done because providing setter interfaces to each field in the
+ //! context structure would be unwieldy and cumbersome. Care must be taken
+ //! to populate the context structure correctly. The context structure
+ //! must only be modified while this object is in the #kStateMutable
+ //! state.
+ MinidumpContextPPC64* context() { return &context_; }
+
+ protected:
+ // MinidumpWritable:
+ bool WriteObject(FileWriterInterface* file_writer) override;
+
+ // MinidumpContextWriter:
+ size_t ContextSize() const override;
+
+ private:
+ MinidumpContextPPC64 context_;
+
+ DISALLOW_COPY_AND_ASSIGN(MinidumpContextPPC64Writer);
+};
+
} // namespace crashpad
#endif // CRASHPAD_MINIDUMP_MINIDUMP_CONTEXT_WRITER_H_
diff --git third_party/crashpad/crashpad/minidump/minidump_context_writer_test.cc third_party/crashpad/crashpad/minidump/minidump_context_writer_test.cc
index 3216a906b..a9fcbe9d8 100644
--- third_party/crashpad/crashpad/minidump/minidump_context_writer_test.cc
+++ third_party/crashpad/crashpad/minidump/minidump_context_writer_test.cc
@@ -213,6 +213,21 @@ TEST(MinidumpContextWriter, MIPS64_FromSnapshot) {
context, ExpectMinidumpContextMIPS64, kSeed);
}
+TEST(MinidumpContextWriter, PPC64_Zeros) {
+ EmptyContextTest<MinidumpContextPPC64Writer, MinidumpContextPPC64>(
+ ExpectMinidumpContextPPC64);
+}
+
+TEST(MinidumpContextWriter, PPC64_FromSnapshot) {
+ constexpr uint32_t kSeed = 64;
+ CPUContextPPC64 context_ppc64;
+ CPUContext context;
+ context.ppc64 = &context_ppc64;
+ InitializeCPUContextPPC64(&context, kSeed);
+ FromSnapshotTest<MinidumpContextPPC64Writer, MinidumpContextPPC64>(
+ context, ExpectMinidumpContextPPC64, kSeed);
+}
+
} // namespace
} // namespace test
} // namespace crashpad
diff --git third_party/crashpad/crashpad/minidump/minidump_misc_info_writer.cc third_party/crashpad/crashpad/minidump/minidump_misc_info_writer.cc
index 0974e3ddf..b71ec5880 100644
--- third_party/crashpad/crashpad/minidump/minidump_misc_info_writer.cc
+++ third_party/crashpad/crashpad/minidump/minidump_misc_info_writer.cc
@@ -135,6 +135,8 @@ std::string MinidumpMiscInfoDebugBuildString() {
static constexpr char kCPU[] = "mips";
#elif defined(ARCH_CPU_MIPS64EL)
static constexpr char kCPU[] = "mips64";
+#elif defined(ARCH_CPU_PPC64)
+ static constexpr char kCPU[] = "ppc64";
#else
#error define kCPU for this CPU
#endif
diff --git third_party/crashpad/crashpad/snapshot/capture_memory.cc third_party/crashpad/crashpad/snapshot/capture_memory.cc
index 7a1b2763c..beda8da9e 100644
--- third_party/crashpad/crashpad/snapshot/capture_memory.cc
+++ third_party/crashpad/crashpad/snapshot/capture_memory.cc
@@ -112,6 +112,11 @@ void CaptureMemory::PointedToByContext(const CPUContext& context,
for (size_t i = 0; i < base::size(context.mipsel->regs); ++i) {
MaybeCaptureMemoryAround(delegate, context.mipsel->regs[i]);
}
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ MaybeCaptureMemoryAround(delegate, context.ppc64->nip);
+ for (size_t i = 0; i < base::size(context.ppc64->regs); ++i) {
+ MaybeCaptureMemoryAround(delegate, context.ppc64->regs[i]);
+ }
#else
#error Port.
#endif
diff --git third_party/crashpad/crashpad/snapshot/cpu_architecture.h third_party/crashpad/crashpad/snapshot/cpu_architecture.h
index 811a72095..f4f83981d 100644
--- third_party/crashpad/crashpad/snapshot/cpu_architecture.h
+++ third_party/crashpad/crashpad/snapshot/cpu_architecture.h
@@ -43,7 +43,10 @@ enum CPUArchitecture {
kCPUArchitectureMIPSEL,
//! \brief 64-bit MIPSEL.
- kCPUArchitectureMIPS64EL
+ kCPUArchitectureMIPS64EL,
+
+ //! \brief 64-bit PPC64.
+ kCPUArchitecturePPC64
};
} // namespace crashpad
diff --git third_party/crashpad/crashpad/snapshot/cpu_context.cc third_party/crashpad/crashpad/snapshot/cpu_context.cc
index c75b5555e..aeade577a 100644
--- third_party/crashpad/crashpad/snapshot/cpu_context.cc
+++ third_party/crashpad/crashpad/snapshot/cpu_context.cc
@@ -169,6 +169,8 @@ uint64_t CPUContext::InstructionPointer() const {
return arm->pc;
case kCPUArchitectureARM64:
return arm64->pc;
+ case kCPUArchitecturePPC64:
+ return ppc64->nip;
default:
NOTREACHED();
return ~0ull;
@@ -185,6 +187,8 @@ uint64_t CPUContext::StackPointer() const {
return arm->sp;
case kCPUArchitectureARM64:
return arm64->sp;
+ case kCPUArchitecturePPC64:
+ return ppc64->regs[1];
default:
NOTREACHED();
return ~0ull;
@@ -196,6 +200,7 @@ bool CPUContext::Is64Bit() const {
case kCPUArchitectureX86_64:
case kCPUArchitectureARM64:
case kCPUArchitectureMIPS64EL:
+ case kCPUArchitecturePPC64:
return true;
case kCPUArchitectureX86:
case kCPUArchitectureARM:
diff --git third_party/crashpad/crashpad/snapshot/cpu_context.h third_party/crashpad/crashpad/snapshot/cpu_context.h
index fb23c4679..eebede63c 100644
--- third_party/crashpad/crashpad/snapshot/cpu_context.h
+++ third_party/crashpad/crashpad/snapshot/cpu_context.h
@@ -352,6 +352,24 @@ struct CPUContextMIPS64 {
uint64_t fir;
};
+//! \brief A context structure carrying PPC64 CPU state.
+struct CPUContextPPC64 {
+ uint64_t nip;
+ uint64_t msr;
+ uint64_t regs[32];
+ uint64_t ccr;
+ uint64_t xer;
+ uint64_t lnk;
+ uint64_t ctr;
+ double fpregs[32];
+ double fpscr;
+ struct {
+ uint128_struct save_vr[32];
+ uint128_struct save_vscr;
+ uint32_t save_vrsave;
+ } vregs;
+};
+
//! \brief A context structure capable of carrying the context of any supported
//! CPU architecture.
struct CPUContext {
@@ -382,6 +400,7 @@ struct CPUContext {
CPUContextARM64* arm64;
CPUContextMIPS* mipsel;
CPUContextMIPS64* mips64;
+ CPUContextPPC64* ppc64;
};
};
diff --git third_party/crashpad/crashpad/snapshot/linux/cpu_context_linux.h third_party/crashpad/crashpad/snapshot/linux/cpu_context_linux.h
index 9f46a4897..aa677c4eb 100644
--- third_party/crashpad/crashpad/snapshot/linux/cpu_context_linux.h
+++ third_party/crashpad/crashpad/snapshot/linux/cpu_context_linux.h
@@ -15,6 +15,7 @@
#ifndef CRASHPAD_SNAPSHOT_LINUX_CPU_CONTEXT_LINUX_H_
#define CRASHPAD_SNAPSHOT_LINUX_CPU_CONTEXT_LINUX_H_
+#include <cstring>
#include "build/build_config.h"
#include "snapshot/cpu_context.h"
#include "snapshot/linux/signal_context.h"
@@ -174,6 +175,78 @@ void InitializeCPUContextMIPS(
#endif // ARCH_CPU_MIPS_FAMILY || DOXYGEN
+#if defined(ARCH_CPU_PPC64_FAMILY) || DOXYGEN
+
+//! \brief Initalizes a CPUContextPPC64 structure from native context
+//! structures on Linux.
+//!
+//! \param[in] thread_context The native thread context.
+//! \param[in] float_context The native float context.
+//! \param[in] vector_context The native vector context.
+//! \param[out] context The CPUContextPPC64 structure to initalize.
+template <typename Traits>
+void InitializeCPUContextPPC64(
+ const ThreadContext::t64_t& thread_context,
+ const FloatContext::f64_t& float_context,
+ const VectorContext::v64_t& vector_context,
+ typename Traits::CPUContext* context) {
+
+ memcpy(context->regs, thread_context.gpr, sizeof(context->regs));
+ context->nip = thread_context.nip;
+ context->msr = thread_context.msr;
+ context->ccr = thread_context.ccr;
+ context->xer = thread_context.xer;
+ context->lnk = thread_context.lnk;
+ context->ctr = thread_context.ctr;
+
+ memcpy(context->fpregs, float_context.fpregs, sizeof(context->fpregs));
+ context->fpscr = float_context.fpscr;
+
+ for (uint8_t i = 0; i < 32; i++) {
+ context->vregs.save_vr[i] = {
+ (((uint64_t)vector_context.vrregs[i][0]) << 32) |
+ vector_context.vrregs[i][1],
+ (((uint64_t)vector_context.vrregs[i][2]) << 32) |
+ vector_context.vrregs[i][3]
+ };
+ }
+ context->vregs.save_vrsave = vector_context.vrsave;
+ context->vregs.save_vscr = {0, (uint64_t)vector_context.vscr.vscr_word};
+}
+
+template <typename Traits>
+void InitializeCPUContextPPC64(
+ const SignalThreadContext64 &thread_context,
+ const SignalFloatContext64 &float_context,
+ const SignalVectorContext64 &vector_context,
+ typename Traits::CPUContext* context) {
+
+ memcpy(context->regs, thread_context.regs, sizeof(context->regs));
+ context->nip = thread_context.nip;
+ context->msr = thread_context.msr;
+ context->ccr = thread_context.ccr;
+ context->xer = thread_context.xer;
+ context->lnk = thread_context.lnk;
+ context->ctr = thread_context.ctr;
+
+ memcpy(context->fpregs, float_context.regs, sizeof(context->fpregs));
+ context->fpscr = float_context.fpscr;
+
+ for (uint8_t i = 0; i < 32; i++) {
+ context->vregs.save_vr[i] = {
+ (((uint64_t)vector_context.vrregs[i][0]) << 32) |
+ vector_context.vrregs[i][1],
+ (((uint64_t)vector_context.vrregs[i][2]) << 32) |
+ vector_context.vrregs[i][3]
+ };
+ }
+ context->vregs.save_vrsave = vector_context.vrsave;
+ context->vregs.save_vscr = {0, (uint64_t)vector_context.vscr.vscr_word};
+}
+
+
+#endif
+
} // namespace internal
} // namespace crashpad
diff --git third_party/crashpad/crashpad/snapshot/linux/debug_rendezvous_test.cc third_party/crashpad/crashpad/snapshot/linux/debug_rendezvous_test.cc
index d32bd1937..2dd538c2b 100644
--- third_party/crashpad/crashpad/snapshot/linux/debug_rendezvous_test.cc
+++ third_party/crashpad/crashpad/snapshot/linux/debug_rendezvous_test.cc
@@ -192,6 +192,8 @@ void TestAgainstTarget(PtraceConnection* connection) {
device == 0 && inode == 0 && mapping_name == "[vdso]";
#if defined(ARCH_CPU_X86)
static constexpr char kPrefix[] = "linux-gate.so.";
+#elif defined(ARCH_CPU_PPC64)
+ static constexpr char kPrefix[] = "linux-vdso64.so.";
#else
static constexpr char kPrefix[] = "linux-vdso.so.";
#endif
diff --git third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.cc third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.cc
index cd40b3b12..6bcf23b6f 100644
--- third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.cc
+++ third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.cc
@@ -323,6 +323,69 @@ bool ExceptionSnapshotLinux::ReadContext<ContextTraits64>(
reader, context_address, context_.mips64);
}
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+
+template <typename Traits>
+static bool ReadContext(ProcessReaderLinux* reader,
+ LinuxVMAddress context_address,
+ typename Traits::CPUContext* dest_context) {
+ const ProcessMemory* memory = reader->Memory();
+
+ LinuxVMAddress gp_regs_address = context_address +
+ offsetof(UContext, mcontext) +
+ offsetof(typename Traits::MContext, gp_regs);
+
+ typename Traits::SignalThreadContext thread_context;
+ if (!memory->Read(gp_regs_address, sizeof(thread_context), &thread_context)) {
+ LOG(ERROR) << "Couldn't read gp_regs!";
+ return false;
+ }
+
+ LinuxVMAddress fp_regs_address = context_address +
+ offsetof(UContext, mcontext) +
+ offsetof(typename Traits::MContext, fp_regs);
+
+ typename Traits::SignalFloatContext fp_context;
+ if (!memory->Read(fp_regs_address, sizeof(fp_context), &fp_context)) {
+ LOG(ERROR) << "Couldn't read fp_regs!";
+ return false;
+ }
+
+ LinuxVMAddress v_regs_ptr_address = context_address +
+ offsetof(UContext, mcontext) +
+ offsetof(typename Traits::MContext, vmx_reserve) + 8;
+
+ typename Traits::SignalVectorContext v_context;
+ if (!memory->Read(v_regs_ptr_address, sizeof(v_context), &v_context)) {
+ LOG(ERROR) << "Couldn't read v_regs!";
+ return false;
+ }
+
+ InitializeCPUContextPPC64<ContextTraits64>(thread_context, fp_context,
+ v_context, dest_context);
+
+ return true;
+}
+
+template<>
+bool ExceptionSnapshotLinux::ReadContext<ContextTraits64>(
+ ProcessReaderLinux* reader,
+ LinuxVMAddress context_address) {
+ context_.architecture = kCPUArchitecturePPC64;
+ context_.ppc64 = &context_union_.ppc64;
+
+ return internal::ReadContext<ContextTraits64>(
+ reader, context_address, context_.ppc64);
+}
+
+template<>
+bool ExceptionSnapshotLinux::ReadContext<ContextTraits32>(
+ ProcessReaderLinux* reader,
+ LinuxVMAddress context_address) {
+ // PPC64 is 64-bit
+ return false;
+}
+
#endif // ARCH_CPU_X86_FAMILY
bool ExceptionSnapshotLinux::Initialize(ProcessReaderLinux* process_reader,
diff --git third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.h third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.h
index ea0cd2106..e42df520f 100644
--- third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.h
+++ third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.h
@@ -84,6 +84,8 @@ class ExceptionSnapshotLinux final : public ExceptionSnapshot {
#elif defined(ARCH_CPU_MIPS_FAMILY)
CPUContextMIPS mipsel;
CPUContextMIPS64 mips64;
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ CPUContextPPC64 ppc64;
#endif
} context_union_;
CPUContext context_;
diff --git third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux_test.cc third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux_test.cc
index c17170b43..b6a714cc6 100644
--- third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux_test.cc
+++ third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux_test.cc
@@ -296,7 +296,28 @@ void ExpectContext(const CPUContext& actual, const NativeCPUContext& expected) {
0);
#undef CPU_ARCH_NAME
}
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+using NativeCPUContext = ucontext_t;
+
+void InitializeContext(NativeCPUContext* context) {
+ for (size_t reg = 0; reg < 32; ++reg) {
+ context->uc_mcontext.gp_regs[reg] = reg;
+ }
+
+ memset(&context->uc_mcontext.fp_regs, 44,
+ sizeof(context->uc_mcontext.fp_regs));
+}
+void ExpectContext(const CPUContext& actual, const NativeCPUContext& expected) {
+ EXPECT_EQ(actual.architecture, kCPUArchitecturePPC64);
+
+ for (size_t reg = 0; reg < 32; ++reg) {
+ EXPECT_EQ(actual.ppc64->regs[reg], expected.uc_mcontext.gp_regs[reg]);
+ }
+
+ EXPECT_EQ(memcmp(actual.ppc64->fpregs, expected.uc_mcontext.fp_regs,
+ sizeof(actual.ppc64->fpregs)), 0);
+}
#else
#error Port.
#endif
diff --git third_party/crashpad/crashpad/snapshot/linux/process_reader_linux.cc third_party/crashpad/crashpad/snapshot/linux/process_reader_linux.cc
index ee246e8bc..9555dce04 100644
--- third_party/crashpad/crashpad/snapshot/linux/process_reader_linux.cc
+++ third_party/crashpad/crashpad/snapshot/linux/process_reader_linux.cc
@@ -108,6 +108,8 @@ void ProcessReaderLinux::Thread::InitializeStack(ProcessReaderLinux* reader) {
#elif defined(ARCH_CPU_MIPS_FAMILY)
stack_pointer = reader->Is64Bit() ? thread_info.thread_context.t64.regs[29]
: thread_info.thread_context.t32.regs[29];
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ stack_pointer = thread_info.thread_context.t64.gpr[1];
#else
#error Port.
#endif
diff --git third_party/crashpad/crashpad/snapshot/linux/signal_context.h third_party/crashpad/crashpad/snapshot/linux/signal_context.h
index 110024680..a1f2da259 100644
--- third_party/crashpad/crashpad/snapshot/linux/signal_context.h
+++ third_party/crashpad/crashpad/snapshot/linux/signal_context.h
@@ -422,6 +422,89 @@ static_assert(offsetof(UContext<ContextTraits64>, mcontext.fpregs) ==
"context offset mismatch");
#endif
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+
+struct SignalThreadContext64 {
+ uint64_t regs[32];
+ uint64_t nip;
+ uint64_t msr;
+ uint64_t orig_r3;
+ uint64_t ctr;
+ uint64_t lnk;
+ uint64_t xer;
+ uint64_t ccr;
+ uint64_t softe;
+ uint64_t trap;
+ uint64_t dar;
+ uint64_t dsisr;
+ uint64_t result;
+ uint64_t dscr;
+ uint64_t fpr0[3];
+};
+
+struct SignalFloatContext64 {
+ double regs[32];
+ double fpscr;
+};
+
+struct SignalVectorContext64 {
+ int32_t vrregs[32][4];
+ struct {
+ int32_t __pad[3];
+ int32_t vscr_word;
+ } vscr;
+ int32_t vrsave;
+ int32_t __pad[3];
+} __attribute__((__aligned__(16)));
+
+
+#pragma pack(pop)
+struct MContext64 {
+ uint64_t reserved[4];
+ int32_t signal;
+ int32_t __pad0;
+ uint64_t handler;
+ uint64_t oldmask;
+ uint64_t pt_regs_ptr;
+ SignalThreadContext64 gp_regs;
+ SignalFloatContext64 fp_regs;
+ SignalVectorContext64 *v_regs;
+ int64_t vmx_reserve[69];
+};
+
+struct ContextTraits64 : public Traits64 {
+ using MContext = MContext64;
+ using SignalThreadContext = SignalThreadContext64;
+ using SignalFloatContext = SignalFloatContext64;
+ using SignalVectorContext = SignalVectorContext64;
+ using CPUContext = CPUContextPPC64;
+};
+
+struct ContextTraits32 : public Traits32 {};
+
+struct UContext {
+ uint64_t flags;
+ uint64_t link;
+ SignalStack<ContextTraits64> stack;
+ Sigset<ContextTraits64> sigmask;
+ MContext64 mcontext;
+};
+#pragma pack(push, 1)
+
+static_assert(sizeof(UContext) == sizeof(ucontext_t),
+ "ucontext_t size mismatch");
+static_assert(sizeof(MContext64) == sizeof(mcontext_t),
+ "mcontext_t size mismatch");
+static_assert(sizeof(SignalThreadContext64) == sizeof(gregset_t),
+ "gregset_t size mismatch");
+static_assert(sizeof(SignalFloatContext64) == sizeof(fpregset_t),
+ "fpregset_t size mismatch");
+static_assert(sizeof(SignalVectorContext64) == sizeof(vrregset_t),
+ "vrregset_t size mismatch");
+static_assert(offsetof(UContext, mcontext) ==
+ offsetof(ucontext_t, uc_mcontext), "mcontext offset mismatch");
+static_assert(offsetof(MContext64, gp_regs) ==
+ offsetof(mcontext_t, gp_regs), "gp_regs offset mismatch");
#else
#error Port.
#endif // ARCH_CPU_X86_FAMILY
diff --git third_party/crashpad/crashpad/snapshot/linux/system_snapshot_linux.cc third_party/crashpad/crashpad/snapshot/linux/system_snapshot_linux.cc
index a99da3e4b..03b973083 100644
--- third_party/crashpad/crashpad/snapshot/linux/system_snapshot_linux.cc
+++ third_party/crashpad/crashpad/snapshot/linux/system_snapshot_linux.cc
@@ -204,6 +204,8 @@ CPUArchitecture SystemSnapshotLinux::GetCPUArchitecture() const {
#elif defined(ARCH_CPU_MIPS_FAMILY)
return process_reader_->Is64Bit() ? kCPUArchitectureMIPS64EL
: kCPUArchitectureMIPSEL;
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ return kCPUArchitecturePPC64;
#else
#error port to your architecture
#endif
@@ -219,6 +221,9 @@ uint32_t SystemSnapshotLinux::CPURevision() const {
#elif defined(ARCH_CPU_MIPS_FAMILY)
// Not implementable on MIPS
return 0;
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ // Not yet implemented on PPC64
+ return 0;
#else
#error port to your architecture
#endif
@@ -239,6 +244,9 @@ std::string SystemSnapshotLinux::CPUVendor() const {
#elif defined(ARCH_CPU_MIPS_FAMILY)
// Not implementable on MIPS
return std::string();
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ // Not yet implemented on PPC64
+ return std::string();
#else
#error port to your architecture
#endif
@@ -372,6 +380,9 @@ bool SystemSnapshotLinux::NXEnabled() const {
#elif defined(ARCH_CPU_MIPS_FAMILY)
// Not implementable on MIPS
return false;
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ // Not yet implemented on PPC64
+ return false;
#else
#error Port.
#endif // ARCH_CPU_X86_FAMILY
diff --git third_party/crashpad/crashpad/snapshot/linux/test_modules.cc third_party/crashpad/crashpad/snapshot/linux/test_modules.cc
index b2450c206..7ba78b2ae 100644
--- third_party/crashpad/crashpad/snapshot/linux/test_modules.cc
+++ third_party/crashpad/crashpad/snapshot/linux/test_modules.cc
@@ -110,6 +110,8 @@ bool WriteTestModule(const base::FilePath& module_path,
module.ehdr.e_machine = EM_AARCH64;
#elif defined(ARCH_CPU_MIPSEL) || defined(ARCH_CPU_MIPS64EL)
module.ehdr.e_machine = EM_MIPS;
+#elif defined(ARCH_CPU_PPC64)
+ module.ehdr.e_machine = EM_PPC64;
#endif
module.ehdr.e_version = EV_CURRENT;
diff --git third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.cc third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.cc
index e3e2bebdd..8ef43752e 100644
--- third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.cc
+++ third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.cc
@@ -186,6 +186,14 @@ bool ThreadSnapshotLinux::Initialize(ProcessReaderLinux* process_reader,
thread.thread_info.float_context.f32,
context_.mipsel);
}
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ context_.architecture = kCPUArchitecturePPC64;
+ context_.ppc64 = &context_union_.ppc64;
+ InitializeCPUContextPPC64<ContextTraits64>(
+ thread.thread_info.thread_context.t64,
+ thread.thread_info.float_context.f64,
+ thread.thread_info.vector_context.v64,
+ context_.ppc64);
#else
#error Port.
#endif
diff --git third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.h third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.h
index 44cc6f6d9..d4136461e 100644
--- third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.h
+++ third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.h
@@ -68,6 +68,8 @@ class ThreadSnapshotLinux final : public ThreadSnapshot {
#elif defined(ARCH_CPU_MIPS_FAMILY)
CPUContextMIPS mipsel;
CPUContextMIPS64 mips64;
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ CPUContextPPC64 ppc64;
#else
#error Port.
#endif // ARCH_CPU_X86_FAMILY
diff --git third_party/crashpad/crashpad/util/linux/auxiliary_vector.cc third_party/crashpad/crashpad/util/linux/auxiliary_vector.cc
index d3d5ebdfb..3fd730cb5 100644
--- third_party/crashpad/crashpad/util/linux/auxiliary_vector.cc
+++ third_party/crashpad/crashpad/util/linux/auxiliary_vector.cc
@@ -56,6 +56,11 @@ bool AuxiliaryVector::Read(PtraceConnection* connection) {
if (type == AT_IGNORE) {
continue;
}
+#if defined(ARCH_CPU_PPC64_FAMILY)
+ if (type == AT_IGNOREPPC) {
+ continue;
+ }
+#endif
if (!MapInsertOrReplace(&values_, type, value, nullptr)) {
LOG(ERROR) << "duplicate auxv entry";
return false;
diff --git third_party/crashpad/crashpad/util/linux/ptracer.cc third_party/crashpad/crashpad/util/linux/ptracer.cc
index 557e0d363..08ae434b8 100644
--- third_party/crashpad/crashpad/util/linux/ptracer.cc
+++ third_party/crashpad/crashpad/util/linux/ptracer.cc
@@ -398,6 +398,64 @@ bool GetThreadArea64(pid_t tid,
return true;
}
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+// PPC64 has had HAVE_ARCH_TRACEHOOK set since 2.6.27 (even before x86 had it).
+// That means we can simply use PTRACE_GETREGESET.
+
+template <typename Destination>
+bool GetRegisterSet(pid_t tid, int set, Destination* dest, bool can_log) {
+ iovec iov;
+ iov.iov_base = reinterpret_cast<void*>(dest);
+ iov.iov_len = sizeof(*dest);
+ if (ptrace(PTRACE_GETREGSET, tid, reinterpret_cast<void*>(set), &iov) != 0) {
+ PLOG_IF(ERROR, can_log) << "ptrace";
+ return false;
+ }
+ if (iov.iov_len != sizeof(*dest)) {
+ LOG_IF(ERROR, can_log) << "Unexpected registers size";
+ return false;
+ }
+ return true;
+}
+
+bool GetVectorRegisters64(pid_t tid,
+ VectorContext* context,
+ bool can_log) {
+ return GetRegisterSet(tid, NT_PPC_VMX, &context->v64, can_log);
+}
+
+bool GetFloatingPointRegisters64(pid_t tid,
+ FloatContext* context,
+ bool can_log) {
+ return GetRegisterSet(tid, NT_PRFPREG, &context->f64, can_log);
+}
+
+bool GetThreadArea64(pid_t tid,
+ const ThreadContext& context,
+ LinuxVMAddress* address,
+ bool can_log) {
+ // PPC64 doesn't have PTRACE_GET_THREAD_AREA since the thread pointer
+ // is stored in GPR 13.
+ ThreadContext::t64_t tc;
+ if (!GetRegisterSet(tid, NT_PRSTATUS, &tc, can_log)) {
+ LOG_IF(ERROR, can_log) << "Unable to get thread pointer!";
+ return false;
+ }
+
+ *address = tc.gpr[13];
+
+ return true;
+}
+
+// Stubs for 32-bit functions not applicable on PPC64
+bool GetFloatingPointRegisters32(pid_t tid,
+ FloatContext* context,
+ bool can_log) { return false; }
+bool GetThreadArea32(pid_t tid,
+ const ThreadContext &context,
+ LinuxVMAddress *address,
+ bool can_log) { return false; }
+
#else
#error Port.
#endif // ARCH_CPU_X86_FAMILY
@@ -494,6 +552,9 @@ bool Ptracer::GetThreadInfo(pid_t tid, ThreadInfo* info) {
if (is_64_bit_) {
return GetGeneralPurposeRegisters64(tid, &info->thread_context, can_log_) &&
GetFloatingPointRegisters64(tid, &info->float_context, can_log_) &&
+#if defined(ARCH_CPU_PPC64_FAMILY)
+ GetVectorRegisters64(tid, &info->vector_context, can_log_) &&
+#endif
GetThreadArea64(tid,
info->thread_context,
&info->thread_specific_data_address,
diff --git third_party/crashpad/crashpad/util/linux/thread_info.h third_party/crashpad/crashpad/util/linux/thread_info.h
index 5b55c24a7..dea0d1f39 100644
--- third_party/crashpad/crashpad/util/linux/thread_info.h
+++ third_party/crashpad/crashpad/util/linux/thread_info.h
@@ -28,6 +28,10 @@
#include <android/api-level.h>
#endif
+#if defined(ARCH_CPU_PPC64_FAMILY)
+#include <sys/ucontext.h>
+#endif
+
namespace crashpad {
//! \brief The set of general purpose registers for an architecture family.
@@ -79,6 +83,8 @@ union ThreadContext {
uint32_t cp0_status;
uint32_t cp0_cause;
uint32_t padding1_;
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ // PPC64 is 64-bit
#else
#error Port.
#endif // ARCH_CPU_X86_FAMILY
@@ -132,6 +138,21 @@ union ThreadContext {
uint64_t cp0_badvaddr;
uint64_t cp0_status;
uint64_t cp0_cause;
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ // Reflects struct pt_regs in asm/ptrace.h.
+ uint64_t gpr[32];
+ uint64_t nip;
+ uint64_t msr;
+ uint64_t orig_gpr3;
+ uint64_t ctr;
+ uint64_t lnk;
+ uint64_t xer;
+ uint64_t ccr;
+ uint64_t softe;
+ uint64_t trap;
+ uint64_t dar;
+ uint64_t dsisr;
+ uint64_t result;
#else
#error Port.
#endif // ARCH_CPU_X86_FAMILY
@@ -143,6 +164,8 @@ union ThreadContext {
using NativeThreadContext = user_regs;
#elif defined(ARCH_CPU_MIPS_FAMILY)
// No appropriate NativeThreadsContext type available for MIPS
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ using NativeThreadContext = struct pt_regs;
#else
#error Port.
#endif // ARCH_CPU_X86_FAMILY || ARCH_CPU_ARM64
@@ -218,6 +241,9 @@ union FloatContext {
} fpregs[32];
uint32_t fpcsr;
uint32_t fpu_id;
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ // Crashpad's PPC support is 64-bit only, so this
+ // 32bit-only struct is declared as empty.
#else
#error Port.
#endif // ARCH_CPU_X86_FAMILY
@@ -252,6 +278,10 @@ union FloatContext {
double fpregs[32];
uint32_t fpcsr;
uint32_t fpu_id;
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ // Reflects fpregset_t in sys/ucontext.h
+ double fpregs[32];
+ double fpscr;
#else
#error Port.
#endif // ARCH_CPU_X86_FAMILY
@@ -280,6 +310,8 @@ union FloatContext {
static_assert(sizeof(f64) == sizeof(user_fpsimd_struct), "Size mismatch");
#elif defined(ARCH_CPU_MIPS_FAMILY)
// No appropriate floating point context native type for available MIPS.
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ static_assert(sizeof(f64) == sizeof(fpregset_t), "Size mismatch");
#else
#error Port.
#endif // ARCH_CPU_X86
@@ -287,6 +319,26 @@ union FloatContext {
static_assert(std::is_standard_layout<FloatContext>::value,
"Not standard layout");
+//! \brief The vector registers used for an architecture family
+union VectorContext {
+ struct v32_t {} v32;
+#if defined(ARCH_CPU_PPC64_FAMILY)
+ __attribute__((__aligned__(16))) // Vector context must be doubleword aligned.
+#endif
+ struct v64_t {
+#if defined(ARCH_CPU_PPC64_FAMILY)
+ // Reflects vrregset_t in sys/ucontext.h
+ uint32_t vrregs[32][4];
+ struct {
+ uint32_t __pad[3];
+ uint32_t vscr_word;
+ } vscr;
+ uint32_t vrsave;
+ uint32_t __pad[3];
+#endif
+ } v64;
+};
+
//! \brief A collection of `ptrace`-able information about a thread.
struct ThreadInfo {
ThreadInfo();
@@ -298,6 +350,9 @@ struct ThreadInfo {
//! \brief The floating point registers for the thread.
FloatContext float_context;
+ //! \brief (Optional) The vector registers used for the thread.
+ VectorContext vector_context;
+
//! \brief The thread-local storage address for the thread.
LinuxVMAddress thread_specific_data_address;
};
diff --git third_party/crashpad/crashpad/util/misc/capture_context.h third_party/crashpad/crashpad/util/misc/capture_context.h
index d21a24f19..acc325349 100644
--- third_party/crashpad/crashpad/util/misc/capture_context.h
+++ third_party/crashpad/crashpad/util/misc/capture_context.h
@@ -69,6 +69,7 @@ using NativeCPUContext = ucontext_t;
//! macOS/Linux/Fuchsia | x86_64 | `%%rdi`
//! Linux | ARM/ARM64 | `r0`/`x0`
//! Linux | MIPS/MIPS64 | `$a0`
+//! Linux | PPC64 | `r3`
//!
//! Additionally, the value `LR` on ARM/ARM64 will be the return address of
//! this function.
diff --git third_party/crashpad/crashpad/util/misc/capture_context_linux.S third_party/crashpad/crashpad/util/misc/capture_context_linux.S
index 52215ee5d..b3e4a3ec7 100644
--- third_party/crashpad/crashpad/util/misc/capture_context_linux.S
+++ third_party/crashpad/crashpad/util/misc/capture_context_linux.S
@@ -32,7 +32,7 @@
.balign 4, 0x0
.type CAPTURECONTEXT_SYMBOL, %function
.type CAPTURECONTEXT_SYMBOL2, %function
-#elif defined(__mips__)
+#elif defined(__mips__) || defined(__powerpc64__)
.balign 4, 0x0
#endif
@@ -423,4 +423,214 @@ CAPTURECONTEXT_SYMBOL2:
jr $ra
.set at
+#elif defined(__powerpc64__)
+ // Store r0-r31
+ std 0, 0xe8(3) // context->uc_mcontext.gp_regs[0]
+ std 1, 0xf0(3) // context->uc_mcontext.gp_regs[1]
+ std 2, 0xf8(3) // context->uc_mcontext.gp_regs[2]
+ // note that r3's original value was lost
+ std 3, 0x100(3) // context->uc_mcontext.gp_regs[3]
+ std 4, 0x108(3) // context->uc_mcontext.gp_regs[4]
+ std 5, 0x110(3) // context->uc_mcontext.gp_regs[5]
+ std 6, 0x118(3) // context->uc_mcontext.gp_regs[6]
+ std 7, 0x120(3) // context->uc_mcontext.gp_regs[7]
+ std 8, 0x128(3) // context->uc_mcontext.gp_regs[8]
+ std 9, 0x130(3) // context->uc_mcontext.gp_regs[9]
+ std 10, 0x138(3) // context->uc_mcontext.gp_regs[10]
+ std 11, 0x140(3) // context->uc_mcontext.gp_regs[11]
+ std 12, 0x148(3) // context->uc_mcontext.gp_regs[12]
+ std 13, 0x150(3) // context->uc_mcontext.gp_regs[13]
+ std 14, 0x158(3) // context->uc_mcontext.gp_regs[14]
+ std 15, 0x160(3) // context->uc_mcontext.gp_regs[15]
+ std 16, 0x168(3) // context->uc_mcontext.gp_regs[16]
+ std 17, 0x170(3) // context->uc_mcontext.gp_regs[17]
+ std 18, 0x178(3) // context->uc_mcontext.gp_regs[18]
+ std 19, 0x180(3) // context->uc_mcontext.gp_regs[19]
+ std 20, 0x188(3) // context->uc_mcontext.gp_regs[20]
+ std 21, 0x190(3) // context->uc_mcontext.gp_regs[21]
+ std 22, 0x198(3) // context->uc_mcontext.gp_regs[22]
+ std 23, 0x1a0(3) // context->uc_mcontext.gp_regs[23]
+ std 24, 0x1a8(3) // context->uc_mcontext.gp_regs[24]
+ std 25, 0x1b0(3) // context->uc_mcontext.gp_regs[25]
+ std 26, 0x1b8(3) // context->uc_mcontext.gp_regs[26]
+ std 27, 0x1c0(3) // context->uc_mcontext.gp_regs[27]
+ std 28, 0x1c8(3) // context->uc_mcontext.gp_regs[28]
+ std 29, 0x1d0(3) // context->uc_mcontext.gp_regs[29]
+ std 30, 0x1d8(3) // context->uc_mcontext.gp_regs[30]
+ std 31, 0x1e0(3) // context->uc_mcontext.gp_regs[31]
+
+ // For NIP, we can use the value in the link register
+ mflr 0
+ std 0, 0x1e8(3) // context->uc_mcontext.gp_regs[PT_NIP]
+
+ // CTR
+ mfctr 0
+ std 0, 0x200(3) // context->uc_mcontext.gp_regs[PT_CTR]
+
+ // For LNK, we'll use the caller's LR save area (2 stack frames up).
+ // r4 can be used as a scratch register since it has already been saved.
+ ld 4, 0(1)
+ ld 4, 16(4)
+ std 4, 0x208(3) // context->uc_mcontext.gp_regs[PT_LNK]
+
+ // XER
+ mfxer 0
+ std 0, 0x210(3) // context->uc_mcontext.gp_regs[PT_XER]
+
+ // CCR
+ mfcr 0
+ std 0, 0x218(3) // context->uc_mcontext.gp_regs[PT_CCR]
+
+ // MSR, orig_r3, MQ, TRAP, DAR, DSISR, RESULT, DSCR,
+ // not used or not relevant, zero them out.
+ li 4, 0
+ std 4, 0x1f0(3) // context->uc_mcontext.gp_regs[PT_MSR]
+ std 4, 0x1f8(3) // context->uc_mcontext.gp_regs[PT_ORIG_R3]
+ std 4, 0x220(3) // context->uc_mcontext.gp_regs[PT_MQ]
+ std 4, 0x228(3) // context->uc_mcontext.gp_regs[PT_TRAP]
+ std 4, 0x230(3) // context->uc_mcontext.gp_regs[PT_DAR]
+ std 4, 0x238(3) // context->uc_mcontext.gp_regs[PT_DSISR]
+ std 4, 0x240(3) // context->uc_mcontext.gp_regs[PT_RESULT]
+ std 4, 0x248(3) // context->uc_mcontext.gp_regs[PT_DSCR]
+
+ // Update context->uc_mcontext.regs to point to gp_regs
+ addi 0, 3, 0xe8
+ std 0, 0xe0(3)
+
+ // Save floating point registers 0-31
+ stfd 0, 0x268(3) // context->uc_mcontext.fp_regs[0]
+ stfd 1, 0x270(3) // context->uc_mcontext.fp_regs[1]
+ stfd 2, 0x278(3) // context->uc_mcontext.fp_regs[2]
+ stfd 3, 0x280(3) // context->uc_mcontext.fp_regs[3]
+ stfd 4, 0x288(3) // context->uc_mcontext.fp_regs[4]
+ stfd 5, 0x290(3) // context->uc_mcontext.fp_regs[5]
+ stfd 6, 0x298(3) // context->uc_mcontext.fp_regs[6]
+ stfd 7, 0x2a0(3) // context->uc_mcontext.fp_regs[7]
+ stfd 8, 0x2a8(3) // context->uc_mcontext.fp_regs[8]
+ stfd 9, 0x2b0(3) // context->uc_mcontext.fp_regs[9]
+ stfd 10, 0x2b8(3) // context->uc_mcontext.fp_regs[10]
+ stfd 11, 0x2c0(3) // context->uc_mcontext.fp_regs[11]
+ stfd 12, 0x2c8(3) // context->uc_mcontext.fp_regs[12]
+ stfd 13, 0x2d0(3) // context->uc_mcontext.fp_regs[13]
+ stfd 14, 0x2d8(3) // context->uc_mcontext.fp_regs[14]
+ stfd 15, 0x2e0(3) // context->uc_mcontext.fp_regs[15]
+ stfd 16, 0x2e8(3) // context->uc_mcontext.fp_regs[16]
+ stfd 17, 0x2f0(3) // context->uc_mcontext.fp_regs[17]
+ stfd 18, 0x2f8(3) // context->uc_mcontext.fp_regs[18]
+ stfd 19, 0x300(3) // context->uc_mcontext.fp_regs[19]
+ stfd 20, 0x308(3) // context->uc_mcontext.fp_regs[20]
+ stfd 21, 0x310(3) // context->uc_mcontext.fp_regs[21]
+ stfd 22, 0x318(3) // context->uc_mcontext.fp_regs[22]
+ stfd 23, 0x320(3) // context->uc_mcontext.fp_regs[23]
+ stfd 24, 0x328(3) // context->uc_mcontext.fp_regs[24]
+ stfd 25, 0x330(3) // context->uc_mcontext.fp_regs[25]
+ stfd 26, 0x338(3) // context->uc_mcontext.fp_regs[26]
+ stfd 27, 0x340(3) // context->uc_mcontext.fp_regs[27]
+ stfd 28, 0x348(3) // context->uc_mcontext.fp_regs[28]
+ stfd 29, 0x350(3) // context->uc_mcontext.fp_regs[29]
+ stfd 30, 0x358(3) // context->uc_mcontext.fp_regs[30]
+ stfd 31, 0x360(3) // context->uc_mcontext.fp_regs[31]
+
+ // FPSCR
+ mffs 0
+ stfd 0, 0x368(3) // context->uc_mcontext.fp_regs[32]
+
+ // Save VMX Vector registers
+ // Update r4 to contain the base address of vmx_reserve
+ addi 4, 3, 0x378
+ // Ensure that it is quadword aligned
+ andi. 5, 4, 0xF
+ beq 1f // No alignment is necessary
+ // Address is doubleword aligned and not quadword aligned, add 8
+ addi 4, 4, 8
+
+1:
+ // Store VMX registers 0-31
+ // r4 will contain the base address
+ // r5 will contain the index
+ li 5, 0
+ stvx 0, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 0]
+ addi 5, 5, 16
+ stvx 1, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 1]
+ addi 5, 5, 16
+ stvx 2, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 2]
+ addi 5, 5, 16
+ stvx 3, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 3]
+ addi 5, 5, 16
+ stvx 4, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 4]
+ addi 5, 5, 16
+ stvx 5, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 5]
+ addi 5, 5, 16
+ stvx 6, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 6]
+ addi 5, 5, 16
+ stvx 7, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 7]
+ addi 5, 5, 16
+ stvx 8, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 8]
+ addi 5, 5, 16
+ stvx 9, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 9]
+ addi 5, 5, 16
+ stvx 10, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 10]
+ addi 5, 5, 16
+ stvx 11, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 11]
+ addi 5, 5, 16
+ stvx 12, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 12]
+ addi 5, 5, 16
+ stvx 13, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 13]
+ addi 5, 5, 16
+ stvx 14, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 14]
+ addi 5, 5, 16
+ stvx 15, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 15]
+ addi 5, 5, 16
+ stvx 16, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 16]
+ addi 5, 5, 16
+ stvx 17, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 17]
+ addi 5, 5, 16
+ stvx 18, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 18]
+ addi 5, 5, 16
+ stvx 19, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 19]
+ addi 5, 5, 16
+ stvx 20, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 20]
+ addi 5, 5, 16
+ stvx 21, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 21]
+ addi 5, 5, 16
+ stvx 22, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 22]
+ addi 5, 5, 16
+ stvx 23, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 23]
+ addi 5, 5, 16
+ stvx 24, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 24]
+ addi 5, 5, 16
+ stvx 25, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 25]
+ addi 5, 5, 16
+ stvx 26, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 26]
+ addi 5, 5, 16
+ stvx 27, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 27]
+ addi 5, 5, 16
+ stvx 28, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 28]
+ addi 5, 5, 16
+ stvx 29, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 29]
+ addi 5, 5, 16
+ stvx 30, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 30]
+ addi 5, 5, 16
+ stvx 31, 4, 5 // context->uc_mcontext.vmx_reserve[(align) + 31]
+ addi 5, 5, 16
+
+ // VSCR
+ mfvscr 0
+ stvx 0, 4, 5
+ addi 5, 5, 16
+
+ // VRSAVE
+ mfvrsave 0
+ stwx 0, 4, 5
+
+ // Update context->uc_mcontext.v_regs to point to vmx_reserve + alignment.
+ std 4, 0x370(3)
+
+ // Zero out all unused fields
+ li 4, 0
+ std 4, 0xc8(3) // context->uc_mcontext.signal
+ std 4, 0xd0(3) // context->uc_mcontext.handler
+ std 4, 0xd8(3) // context->uc_mcontext.oldmask
+
+ blr
#endif // __i386__
diff --git third_party/crashpad/crashpad/util/misc/capture_context_test.cc third_party/crashpad/crashpad/util/misc/capture_context_test.cc
index cf23c2def..5f264bc92 100644
--- third_party/crashpad/crashpad/util/misc/capture_context_test.cc
+++ third_party/crashpad/crashpad/util/misc/capture_context_test.cc
@@ -57,7 +57,7 @@ void TestCaptureContext() {
uintptr_t pc = ProgramCounterFromContext(context_1);
#if !defined(ADDRESS_SANITIZER) && !defined(ARCH_CPU_MIPS_FAMILY) && \
- !defined(MEMORY_SANITIZER)
+ !defined(MEMORY_SANITIZER) && !defined(ARCH_CPU_PPC64_FAMILY)
// Sanitizers can cause enough code bloat that the “nearby” check would
// likely fail.
const uintptr_t kReferencePC =
diff --git third_party/crashpad/crashpad/util/misc/capture_context_test_util_linux.cc third_party/crashpad/crashpad/util/misc/capture_context_test_util_linux.cc
index 30a2ab21d..60509f21d 100644
--- third_party/crashpad/crashpad/util/misc/capture_context_test_util_linux.cc
+++ third_party/crashpad/crashpad/util/misc/capture_context_test_util_linux.cc
@@ -35,6 +35,8 @@ void SanityCheckContext(const NativeCPUContext& context) {
EXPECT_EQ(context.uc_mcontext.regs[0], FromPointerCast<uintptr_t>(&context));
#elif defined(ARCH_CPU_MIPS_FAMILY)
EXPECT_EQ(context.uc_mcontext.gregs[4], FromPointerCast<uintptr_t>(&context));
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ EXPECT_EQ(context.uc_mcontext.gp_regs[3], FromPointerCast<uintptr_t>(&context));
#endif
}
@@ -49,6 +51,8 @@ uintptr_t ProgramCounterFromContext(const NativeCPUContext& context) {
return context.uc_mcontext.pc;
#elif defined(ARCH_CPU_MIPS_FAMILY)
return context.uc_mcontext.pc;
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ return context.uc_mcontext.gp_regs[PT_NIP];
#endif
}
@@ -63,6 +67,8 @@ uintptr_t StackPointerFromContext(const NativeCPUContext& context) {
return context.uc_mcontext.sp;
#elif defined(ARCH_CPU_MIPS_FAMILY)
return context.uc_mcontext.gregs[29];
+#elif defined(ARCH_CPU_PPC64_FAMILY)
+ return context.uc_mcontext.gp_regs[1];
#endif
}
diff --git third_party/crashpad/crashpad/util/posix/signals_test.cc third_party/crashpad/crashpad/util/posix/signals_test.cc
index 54cc2f19f..298b5c993 100644
--- third_party/crashpad/crashpad/util/posix/signals_test.cc
+++ third_party/crashpad/crashpad/util/posix/signals_test.cc
@@ -46,9 +46,9 @@ bool CanCauseSignal(int sig) {
return sig == SIGABRT ||
sig == SIGALRM ||
sig == SIGBUS ||
-#if !defined(ARCH_CPU_ARM64)
+#if !defined(ARCH_CPU_ARM64) && !defined(ARCH_CPU_PPC64)
sig == SIGFPE ||
-#endif // !defined(ARCH_CPU_ARM64)
+#endif // !defined(ARCH_CPU_ARM64) && !defined(ARCH_CPU_PPC64)
#if defined(ARCH_CPU_X86_FAMILY) || defined(ARCH_CPU_ARMEL)
sig == SIGILL ||
#endif // defined(ARCH_CPU_X86_FAMILY) || defined(ARCH_CPU_ARMEL)
@@ -117,9 +117,11 @@ void CauseSignal(int sig) {
break;
}
-#if !defined(ARCH_CPU_ARM64)
+#if !defined(ARCH_CPU_ARM64) && !defined(ARCH_CPU_PPC64)
// ARM64 has hardware integer division instructions that don’t generate a
// trap for divide-by-zero, so this doesn’t produce SIGFPE.
+ //
+ // PPC64 fixed-point division by zero also doesn't produce a SIGFPE.
case SIGFPE: {
// Optimization makes this tricky, so get zero from a system call likely
// to succeed, and try to do something with the result.
@@ -137,7 +139,7 @@ void CauseSignal(int sig) {
fstat(quotient, &stat_buf);
break;
}
-#endif // ARCH_CPU_ARM64
+#endif // !defined(ARCH_CPU_ARM64) && !defined(ARCH_CPU_PPC64)
#if defined(ARCH_CPU_X86_FAMILY) || defined(ARCH_CPU_ARMEL)
case SIGILL: {
diff --git third_party/dav1d/BUILD.gn third_party/dav1d/BUILD.gn
index 6b4566fc3..c07f732ad 100644
--- third_party/dav1d/BUILD.gn
+++ third_party/dav1d/BUILD.gn
@@ -184,6 +184,8 @@ static_library("dav1d_8bit") {
sources += arm_template_sources
} else if (current_cpu == "arm64") {
sources += arm_template_sources
+ } else if (current_cpu == "ppc64") {
+ sources += ppc64_template_sources
}
cflags = dav1d_copts
@@ -212,6 +214,8 @@ static_library("dav1d_10bit") {
sources += arm_template_sources
} else if (current_cpu == "arm64") {
sources += arm_template_sources
+ } else if (current_cpu == "ppc64") {
+ sources += ppc64_template_sources
}
cflags = dav1d_copts
@@ -263,6 +267,21 @@ if (current_cpu == "x86" || current_cpu == "x64") {
defines = [ "PREFIX" ]
}
+ cflags = dav1d_copts
+ }
+} else if (current_cpu == "ppc64") {
+ static_library("dav1d_ppc") {
+ sources = [
+ "libdav1d/src/ppc/cpu.c",
+ "libdav1d/src/ppc/cpu.h",
+ ]
+
+ configs -= [ "//build/config/compiler:chromium_code" ]
+ configs += [
+ "//build/config/compiler:no_chromium_code",
+ ":dav1d_config",
+ ]
+
cflags = dav1d_copts
}
}
@@ -292,5 +311,7 @@ static_library("dav1d") {
}
} else if (current_cpu == "arm" || current_cpu == "arm64") {
deps += [ ":dav1d_arm" ]
+ } else if (current_cpu == "ppc64") {
+ deps += [ ":dav1d_ppc" ]
}
}
diff --git third_party/dav1d/config/linux/ppc64/config.h third_party/dav1d/config/linux/ppc64/config.h
new file mode 100644
index 000000000..9fbbf75cc
--- /dev/null
+++ third_party/dav1d/config/linux/ppc64/config.h
@@ -0,0 +1,39 @@
+/*
+ * Autogenerated by the Meson build system.
+ * Do not edit, your changes will be lost.
+ */
+
+#pragma once
+
+#define ARCH_AARCH64 0
+
+#define ARCH_ARM 0
+
+#define ARCH_PPC64LE 1
+
+#define ARCH_X86 0
+
+#define ARCH_X86_32 0
+
+#define ARCH_X86_64 0
+
+#define CONFIG_16BPC 1
+
+#define CONFIG_8BPC 1
+
+// #define CONFIG_LOG 1 -- Logging is controlled by Chromium
+
+#define ENDIANNESS_BIG 0
+
+#define HAVE_ASM 1
+
+#define HAVE_CLOCK_GETTIME 1
+
+#define HAVE_DLSYM 1
+
+#define HAVE_GETAUXVAL 1
+
+#define HAVE_POSIX_MEMALIGN 1
+
+#define HAVE_UNISTD_H 1
+
diff --git third_party/dav1d/dav1d_generated.gni third_party/dav1d/dav1d_generated.gni
index c59cb0821..3060284a8 100644
--- third_party/dav1d/dav1d_generated.gni
+++ third_party/dav1d/dav1d_generated.gni
@@ -82,6 +82,11 @@ arm_template_sources = [
"libdav1d/src/arm/mc_init_tmpl.c",
]
+ppc64_template_sources = [
+ "libdav1d/src/ppc/cdef_init_tmpl.c",
+ "libdav1d/src/ppc/looprestoration_init_tmpl.c",
+]
+
template_sources = [
"libdav1d/src/cdef_apply_tmpl.c",
"libdav1d/src/cdef_tmpl.c",
diff --git third_party/dav1d/generate_source.py third_party/dav1d/generate_source.py
index 9ab5e00b8..ad3feffee 100755
--- third_party/dav1d/generate_source.py
+++ third_party/dav1d/generate_source.py
@@ -50,7 +50,8 @@ def WriteGn(fd):
WriteArray(fd, "arm32_asm_sources", glob.glob("libdav1d/src/arm/32/*.S"))
WriteArray(fd, "arm64_asm_sources", glob.glob("libdav1d/src/arm/64/*.S"))
WriteArray(fd, "arm_template_sources", glob.glob("libdav1d/src/arm/*_tmpl.c"))
-
+ WriteArray(fd, "ppc64_template_sources", glob.glob("libdav1d/src/ppc/*_tmpl.c"))
+
template_sources = glob.glob("libdav1d/src/*_tmpl.c")
WriteArray(fd, "template_sources", template_sources)
diff --git third_party/dav1d/libdav1d/src/ppc/types.h third_party/dav1d/libdav1d/src/ppc/types.h
index 0b4bd72f0..a0caa5e71 100644
--- third_party/dav1d/libdav1d/src/ppc/types.h
+++ third_party/dav1d/libdav1d/src/ppc/types.h
@@ -51,4 +51,19 @@
#define u16l_to_i32(v) ((i32x4) vec_mergel((u16x8) v, vec_splat_u16(0)))
#define i16l_to_i32(v) ((i32x4) vec_unpackl((i16x8)v))
+#if defined(__clang__)
+#undef vec_splats
+#define vec_splats(N) \
+ _Generic((N), \
+ unsigned char: ((u8x16)(N)), \
+ signed char: ((i8x16)(N)), \
+ unsigned short: ((u16x8)(N)), \
+ signed short: ((i16x8)(N)), \
+ unsigned int: ((u32x4)(N)), \
+ signed int: ((i32x4)(N)), \
+ unsigned long long: ((u64x2)(N)), \
+ signed long long: ((i64x2)(N)) \
+ )
+#endif
+
#endif /* DAV1D_SRC_PPC_TYPES_H */
diff --git third_party/lss/linux_syscall_support.h third_party/lss/linux_syscall_support.h
index e4ac22644..1c57015db 100644
--- third_party/lss/linux_syscall_support.h
+++ third_party/lss/linux_syscall_support.h
@@ -3947,7 +3947,7 @@ struct kernel_statfs {
LSS_REG(2, buf);
LSS_BODY(void*, mmap2, "0"(__r2));
}
-#else
+#elif !defined(__powerpc64__) /* ppc64 doesn't have mmap2 */
#define __NR__mmap2 __NR_mmap2
LSS_INLINE _syscall6(void*, _mmap2, void*, s,
size_t, l, int, p,
@@ -4058,7 +4058,7 @@ struct kernel_statfs {
#if defined(__i386__) || \
defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) || \
(defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) || \
- defined(__PPC__) || \
+ (defined(__PPC__) && !defined(__powerpc64__)) || \
(defined(__s390__) && !defined(__s390x__))
/* On these architectures, implement mmap() with mmap2(). */
LSS_INLINE void* LSS_NAME(mmap)(void *s, size_t l, int p, int f, int d,
diff --git third_party/pffft/src/pffft.c third_party/pffft/src/pffft.c
index bdac4d784..51e0f2cac 100644
--- third_party/pffft/src/pffft.c
+++ third_party/pffft/src/pffft.c
@@ -100,6 +100,7 @@
Altivec support macros
*/
#if !defined(PFFFT_SIMD_DISABLE) && (defined(__ppc__) || defined(__ppc64__))
+#include <altivec.h>
typedef vector float v4sf;
# define SIMD_SZ 4
# define VZERO() ((vector float) vec_splat_u8(0))
diff --git third_party/skia/src/sksl/SkSLString.cpp third_party/skia/src/sksl/SkSLString.cpp
index ec3e56964..4cf8999a2 100644
--- third_party/skia/src/sksl/SkSLString.cpp
+++ third_party/skia/src/sksl/SkSLString.cpp
@@ -234,7 +234,12 @@ String to_string(double value) {
if (needsDotZero) {
buffer << ".0";
}
- return String(buffer.str().c_str());
+
+ std::string ret(buffer.str());
+ if (signbit(value) && ret[0] == '.') {
+ ret[0] = '-';
+ }
+ return String(ret.c_str());
}
bool stod(const StringFragment& s, SKSL_FLOAT* value) {
diff --git third_party/sqlite/src/amalgamation/sqlite3.c third_party/sqlite/src/amalgamation/sqlite3.c
index 6b4a7899d..b8c7fe414 100644
--- third_party/sqlite/src/amalgamation/sqlite3.c
+++ third_party/sqlite/src/amalgamation/sqlite3.c
@@ -14474,7 +14474,8 @@ typedef INT16_TYPE LogEst;
# if defined(i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \
defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \
- defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64)
+ defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64) || \
+ defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
# define SQLITE_BYTEORDER 1234
# elif defined(sparc) || defined(__ppc__) || \
defined(__ARMEB__) || defined(__AARCH64EB__)
diff --git third_party/sqlite/src/amalgamation_dev/sqlite3.c third_party/sqlite/src/amalgamation_dev/sqlite3.c
index d30c9b7de..cf75a69d9 100644
--- third_party/sqlite/src/amalgamation_dev/sqlite3.c
+++ third_party/sqlite/src/amalgamation_dev/sqlite3.c
@@ -14487,7 +14487,8 @@ typedef INT16_TYPE LogEst;
# if defined(i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \
defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \
- defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64)
+ defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64) || \
+ defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
# define SQLITE_BYTEORDER 1234
# elif defined(sparc) || defined(__ppc__) || \
defined(__ARMEB__) || defined(__AARCH64EB__)
diff --git third_party/sqlite/src/ext/rtree/rtree.c third_party/sqlite/src/ext/rtree/rtree.c
index f5b57a5e2..80a2d0ad8 100644
--- third_party/sqlite/src/ext/rtree/rtree.c
+++ third_party/sqlite/src/ext/rtree/rtree.c
@@ -450,7 +450,7 @@ struct RtreeMatchArg {
#if defined(i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \
defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \
- defined(__arm__)
+ defined(__arm__) || defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
# define SQLITE_BYTEORDER 1234
#elif defined(sparc) || defined(__ppc__)
# define SQLITE_BYTEORDER 4321
diff --git third_party/sqlite/src/src/sqliteInt.h third_party/sqlite/src/src/sqliteInt.h
index 245070d4f..b25164e95 100644
--- third_party/sqlite/src/src/sqliteInt.h
+++ third_party/sqlite/src/src/sqliteInt.h
@@ -877,7 +877,8 @@ typedef INT16_TYPE LogEst;
# if defined(i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \
defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \
- defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64)
+ defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64) || \
+ defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
# define SQLITE_BYTEORDER 1234
# elif defined(sparc) || defined(__ppc__) || \
defined(__ARMEB__) || defined(__AARCH64EB__)
diff --git third_party/webrtc/modules/desktop_capture/differ_block.cc third_party/webrtc/modules/desktop_capture/differ_block.cc
index 4f0c5430c..54ee0829e 100644
--- third_party/webrtc/modules/desktop_capture/differ_block.cc
+++ third_party/webrtc/modules/desktop_capture/differ_block.cc
@@ -30,11 +30,7 @@ bool VectorDifference(const uint8_t* image1, const uint8_t* image2) {
static bool (*diff_proc)(const uint8_t*, const uint8_t*) = nullptr;
if (!diff_proc) {
-#if defined(WEBRTC_ARCH_ARM_FAMILY) || defined(WEBRTC_ARCH_MIPS_FAMILY)
- // For ARM and MIPS processors, always use C version.
- // TODO(hclam): Implement a NEON version.
- diff_proc = &VectorDifference_C;
-#else
+#if defined(WEBRTC_ARCH_X86_FAMILY)
bool have_sse2 = GetCPUInfo(kSSE2) != 0;
// For x86 processors, check if SSE2 is supported.
if (have_sse2 && kBlockSize == 32) {
@@ -44,6 +40,10 @@ bool VectorDifference(const uint8_t* image1, const uint8_t* image2) {
} else {
diff_proc = &VectorDifference_C;
}
+#else
+ // For other processors, always use C version.
+ // TODO(hclam): Implement a NEON version.
+ diff_proc = &VectorDifference_C;
#endif
}
diff --git third_party/webrtc/rtc_base/system/arch.h third_party/webrtc/rtc_base/system/arch.h
index be2367b85..be4ee4233 100644
--- third_party/webrtc/rtc_base/system/arch.h
+++ third_party/webrtc/rtc_base/system/arch.h
@@ -79,6 +79,18 @@
#elif defined(__EMSCRIPTEN__)
#define WEBRTC_ARCH_32_BITS
#define WEBRTC_ARCH_LITTLE_ENDIAN
+#elif defined(__PPC__)
+#define WEBRTC_ARCH_PPC_FAMILY
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define WEBRTC_ARCH_LITTLE_ENDIAN
+#else
+#define WEBRTC_ARCH_BIG_ENDIAN
+#endif
+#if defined(__LP64__)
+#define WEBRTC_ARCH_64_BITS
+#else
+#define WEBRTC_ARCH_32_BITS
+#endif
#else
#error Please add support for your architecture in rtc_base/system/arch.h
#endif
diff --git v8/BUILD.gn v8/BUILD.gn
index f39529a3a..e84fc449e 100644
--- v8/BUILD.gn
+++ v8/BUILD.gn
@@ -850,6 +850,12 @@ config("toolchain") {
}
if (host_byteorder == "little") {
defines += [ "V8_TARGET_ARCH_PPC_LE" ]
+ cflags += [
+ # Enable usage of AltiVec, VSX, and other POWER8 and higher features
+ "-mcpu=power8",
+ "-maltivec",
+ "-mvsx",
+ ]
} else if (host_byteorder == "big") {
defines += [ "V8_TARGET_ARCH_PPC_BE" ]
if (current_os == "aix") {
diff --git v8/test/BUILD.gn v8/test/BUILD.gn
index fb872ad39..45fc585dd 100644
--- v8/test/BUILD.gn
+++ v8/test/BUILD.gn
@@ -36,7 +36,7 @@ group("gn_all") {
"benchmarks/cpp:gn_all",
"cctest:cctest",
"cctest:generate-bytecode-expectations",
- "unittests:unittests",
+ #"unittests:unittests",
]
}
}
@@ -78,7 +78,7 @@ group("v8_bot_default") {
"message:v8_message",
"mjsunit:v8_mjsunit",
"mkgrokdump:mkgrokdump",
- "unittests:unittests",
+ #"unittests:unittests",
"wasm-api-tests:wasm_api_tests",
"wasm-js:v8_wasm_js",
"wasm-spec-tests:v8_wasm_spec_tests",
@@ -98,7 +98,7 @@ group("v8_default") {
"message:v8_message",
"mjsunit:v8_mjsunit",
"mkgrokdump:mkgrokdump",
- "unittests:unittests",
+ #"unittests:unittests",
"wasm-api-tests:wasm_api_tests",
"wasm-js:v8_wasm_js",
"wasm-spec-tests:v8_wasm_spec_tests",
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