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BL602 NuttX ABI is Single-Float
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## Do this BEFORE overwriting hello.o by hello_zig_main.o. | |
## "*hello.o" expands to something like "hello_main.c.home.user.nuttx.apps.examples.hello.o" | |
$ riscv64-unknown-elf-readelf -h -A $HOME/nuttx/apps/examples/hello/*hello.o | |
ELF Header: | |
Magic: 7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00 | |
Class: ELF32 | |
Data: 2's complement, little endian | |
Version: 1 (current) | |
OS/ABI: UNIX - System V | |
ABI Version: 0 | |
Type: REL (Relocatable file) | |
Machine: RISC-V | |
Version: 0x1 | |
Entry point address: 0x0 | |
Start of program headers: 0 (bytes into file) | |
Start of section headers: 4528 (bytes into file) | |
Flags: 0x3, RVC, single-float ABI | |
Size of this header: 52 (bytes) | |
Size of program headers: 0 (bytes) | |
Number of program headers: 0 | |
Size of section headers: 40 (bytes) | |
Number of section headers: 26 | |
Section header string table index: 25 | |
Attribute Section: riscv | |
File Attributes | |
Tag_RISCV_stack_align: 16-bytes | |
Tag_RISCV_arch: "rv32i2p0_m2p0_a2p0_f2p0_c2p0" |
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