Dump of passing -Wl,--verbose to g++ on Debian Stretch.

default_x86_64.txt

$ g++ hello.cpp -Wl,--verbose
GNU ld (GNU Binutils for Debian) 2.28
  Supported emulations:
   elf_x86_64
   elf32_x86_64
   elf_i386
   elf_iamcu
   i386linux
   elf_l1om
   elf_k1om
   i386pep
   i386pe
using internal linker script:
==================================================
/* Script for -pie -z combreloc: position independent executable, combine & sort relocs */
/* Copyright (C) 2014-2017 Free Software Foundation, Inc.
   Copying and distribution of this script, with or without modification,
   are permitted in any medium without royalty provided the copyright
   notice and this notice are preserved.  */
OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64",
	      "elf64-x86-64")
OUTPUT_ARCH(i386:x86-64)
ENTRY(_start)
SEARCH_DIR("=/usr/local/lib/x86_64-linux-gnu"); SEARCH_DIR("=/lib/x86_64-linux-gnu"); SEARCH_DIR("=/usr/lib/x86_64-linux-gnu"); SEARCH_DIR("=/usr/local/lib64"); SEARCH_DIR("=/lib64"); SEARCH_DIR("=/usr/lib64"); SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib"); SEARCH_DIR("=/usr/x86_64-linux-gnu/lib64"); SEARCH_DIR("=/usr/x86_64-linux-gnu/lib");
SECTIONS
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      *(.rela.fini)
      *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
      *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
      *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
      *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
      *(.rela.ctors)
      *(.rela.dtors)
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      *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
      *(.rela.ldata .rela.ldata.* .rela.gnu.linkonce.l.*)
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      *(.rela.ifunc)
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  .rela.plt       :
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      PROVIDE_HIDDEN (__rela_iplt_start = .);
      *(.rela.iplt)
      PROVIDE_HIDDEN (__rela_iplt_end = .);
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  .init           :
  {
    KEEP (*(SORT_NONE(.init)))
  }
  .plt            : { *(.plt) *(.iplt) }
.plt.got        : { *(.plt.got) }
.plt.bnd        : { *(.plt.bnd) }
  .text           :
  {
    *(.text.unlikely .text.*_unlikely .text.unlikely.*)
    *(.text.exit .text.exit.*)
    *(.text.startup .text.startup.*)
    *(.text.hot .text.hot.*)
    *(.text .stub .text.* .gnu.linkonce.t.*)
    /* .gnu.warning sections are handled specially by elf32.em.  */
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  .fini           :
  {
    KEEP (*(SORT_NONE(.fini)))
  }
  PROVIDE (__etext = .);
  PROVIDE (_etext = .);
  PROVIDE (etext = .);
  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
  .rodata1        : { *(.rodata1) }
  .eh_frame_hdr : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) }
  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) }
  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
  .gcc_except_table.*) }
  .gnu_extab   : ONLY_IF_RO { *(.gnu_extab*) }
  /* These sections are generated by the Sun/Oracle C++ compiler.  */
  .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
  .exception_ranges*) }
  /* Adjust the address for the data segment.  We want to adjust up to
     the same address within the page on the next page up.  */
  . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
  /* Exception handling  */
  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) }
  .gnu_extab      : ONLY_IF_RW { *(.gnu_extab) }
  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
  .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
  /* Thread Local Storage sections  */
  .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
  .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
  .preinit_array     :
  {
    PROVIDE_HIDDEN (__preinit_array_start = .);
    KEEP (*(.preinit_array))
    PROVIDE_HIDDEN (__preinit_array_end = .);
  }
  .init_array     :
  {
    PROVIDE_HIDDEN (__init_array_start = .);
    KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
    KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
    PROVIDE_HIDDEN (__init_array_end = .);
  }
  .fini_array     :
  {
    PROVIDE_HIDDEN (__fini_array_start = .);
    KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
    KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
    PROVIDE_HIDDEN (__fini_array_end = .);
  }
  .ctors          :
  {
    /* gcc uses crtbegin.o to find the start of
       the constructors, so we make sure it is
       first.  Because this is a wildcard, it
       doesn't matter if the user does not
       actually link against crtbegin.o; the
       linker won't look for a file to match a
       wildcard.  The wildcard also means that it
       doesn't matter which directory crtbegin.o
       is in.  */
    KEEP (*crtbegin.o(.ctors))
    KEEP (*crtbegin?.o(.ctors))
    /* We don't want to include the .ctor section from
       the crtend.o file until after the sorted ctors.
       The .ctor section from the crtend file contains the
       end of ctors marker and it must be last */
    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
    KEEP (*(SORT(.ctors.*)))
    KEEP (*(.ctors))
  }
  .dtors          :
  {
    KEEP (*crtbegin.o(.dtors))
    KEEP (*crtbegin?.o(.dtors))
    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
    KEEP (*(SORT(.dtors.*)))
    KEEP (*(.dtors))
  }
  .jcr            : { KEEP (*(.jcr)) }
  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
  .dynamic        : { *(.dynamic) }
  .got            : { *(.got) *(.igot) }
  . = DATA_SEGMENT_RELRO_END (SIZEOF (.got.plt) >= 24 ? 24 : 0, .);
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  .data           :
  {
    *(.data .data.* .gnu.linkonce.d.*)
    SORT(CONSTRUCTORS)
  }
  .data1          : { *(.data1) }
  _edata = .; PROVIDE (edata = .);
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  __bss_start = .;
  .bss            :
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   *(.dynbss)
   *(.bss .bss.* .gnu.linkonce.b.*)
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      FIXME: Why do we need it? When there is no .bss section, we don't
      pad the .data section.  */
   . = ALIGN(. != 0 ? 64 / 8 : 1);
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  .lbss   :
  {
    *(.dynlbss)
    *(.lbss .lbss.* .gnu.linkonce.lb.*)
    *(LARGE_COMMON)
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  . = ALIGN(64 / 8);
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    *(.lrodata .lrodata.* .gnu.linkonce.lr.*)
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    *(.ldata .ldata.* .gnu.linkonce.l.*)
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  . = ALIGN(64 / 8);
  _end = .; PROVIDE (end = .);
  . = DATA_SEGMENT_END (.);
  /* Stabs debugging sections.  */
  .stab          0 : { *(.stab) }
  .stabstr       0 : { *(.stabstr) }
  .stab.excl     0 : { *(.stab.excl) }
  .stab.exclstr  0 : { *(.stab.exclstr) }
  .stab.index    0 : { *(.stab.index) }
  .stab.indexstr 0 : { *(.stab.indexstr) }
  .comment       0 : { *(.comment) }
  /* DWARF debug sections.
     Symbols in the DWARF debugging sections are relative to the beginning
     of the section so we begin them at 0.  */
  /* DWARF 1 */
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  .line           0 : { *(.line) }
  /* GNU DWARF 1 extensions */
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  /* DWARF 2 */
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  /* DWARF 3 */
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  /* DWARF Extension.  */
  .debug_macro    0 : { *(.debug_macro) }
  .debug_addr     0 : { *(.debug_addr) }
  .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
  /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
}


==================================================
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o succeeded
/usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/crti.o succeeded
/usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/crti.o
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/crtbeginS.o succeeded
/usr/lib/gcc/x86_64-linux-gnu/6/crtbeginS.o
attempt to open /tmp/ccgB2UGI.o succeeded
/tmp/ccgB2UGI.o
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libstdc++.so succeeded
-lstdc++ (/usr/lib/gcc/x86_64-linux-gnu/6/libstdc++.so)
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libm.so failed
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libm.a failed
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/libm.so succeeded
opened script file /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/libm.so
opened script file /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/libm.so
attempt to open /lib/x86_64-linux-gnu/libm.so.6 succeeded
/lib/x86_64-linux-gnu/libm.so.6
attempt to open /usr/lib/x86_64-linux-gnu/libmvec_nonshared.a succeeded
attempt to open /lib/x86_64-linux-gnu/libmvec.so.1 succeeded
/lib/x86_64-linux-gnu/libmvec.so.1
/lib/x86_64-linux-gnu/libmvec.so.1
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc_s.so succeeded
opened script file /usr/lib/gcc/x86_64-linux-gnu/6/libgcc_s.so
opened script file /usr/lib/gcc/x86_64-linux-gnu/6/libgcc_s.so
attempt to open libgcc_s.so.1 failed
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc_s.so.1 succeeded
libgcc_s.so.1 (/usr/lib/gcc/x86_64-linux-gnu/6/libgcc_s.so.1)
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc.so failed
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc.a succeeded
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc.so failed
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc.a succeeded
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libc.so failed
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libc.a failed
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/libc.so succeeded
opened script file /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/libc.so
opened script file /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/libc.so
attempt to open /lib/x86_64-linux-gnu/libc.so.6 succeeded
/lib/x86_64-linux-gnu/libc.so.6
attempt to open /usr/lib/x86_64-linux-gnu/libc_nonshared.a succeeded
(/usr/lib/x86_64-linux-gnu/libc_nonshared.a)elf-init.oS
attempt to open /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 succeeded
/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc_s.so succeeded
opened script file /usr/lib/gcc/x86_64-linux-gnu/6/libgcc_s.so
opened script file /usr/lib/gcc/x86_64-linux-gnu/6/libgcc_s.so
attempt to open libgcc_s.so.1 failed
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc_s.so.1 succeeded
libgcc_s.so.1 (/usr/lib/gcc/x86_64-linux-gnu/6/libgcc_s.so.1)
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc.so failed
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc.a succeeded
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc.so failed
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/libgcc.a succeeded
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/crtendS.o succeeded
/usr/lib/gcc/x86_64-linux-gnu/6/crtendS.o
attempt to open /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/crtn.o succeeded
/usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/crtn.o
ld-linux-x86-64.so.2 needed by /usr/lib/gcc/x86_64-linux-gnu/6/libstdc++.so
found ld-linux-x86-64.so.2 at /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2

efm32.ld

/*       Linker script for Silicon Labs EFM32 devices               */
/*                                                                  */
/* This file is subject to the license terms as defined in ARM's    */
/* CMSIS END USER LICENSE AGREEMENT.pdf, governing the use of       */
/* Example Code.                                                    */
/*                                                                  */
/* Silicon Laboratories, Inc. 2015                                  */
/*                                                                  */
/* Version 4.0.0 */
/*                                                                  */

MEMORY
{
    /* FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x40000 */ /* 256k */
    FLASH (rx) : ORIGIN = 0x0000C800, LENGTH = 0x33800 /* 206k leaving space for bootloader */
    RAM (rwx)  : ORIGIN = 0x20000000, LENGTH = 0x8000  /* 32k */
}

/* MBED: mbed needs to be able to dynamically set the interrupt vector table.
 * We make room for the table at the very beginning of RAM, i.e. at
 * 0x20000000. We need (16+40) * sizeof(uint32_t) = 224 bytes for EFM32WG
 */
/*
__vector_size = 0xE0;
*/

/* Linker script to place sections and symbol values. Should be used together
 * with other linker script that defines memory regions FLASH and RAM.
 * It references following symbols, which must be defined in code:
 *   Reset_Handler : Entry of reset handler
 *
 * It defines following symbols, which code can use without definition:
 *   __exidx_start
 *   __exidx_end
 *   __copy_table_start__
 *   __copy_table_end__
 *   __zero_table_start__
 *   __zero_table_end__
 *   __etext
 *   __data_start__
 *   __preinit_array_start
 *   __preinit_array_end
 *   __init_array_start
 *   __init_array_end
 *   __fini_array_start
 *   __fini_array_end
 *   __data_end__
 *   __bss_start__
 *   __bss_end__
 *   __end__
 *   end
 *   __HeapLimit
 *   __StackLimit
 *   __StackTop
 *   __stack
 *   __Vectors_End
 *   __Vectors_Size
 */
ENTRY(Reset_Handler)

SECTIONS
{
    .text :
    {
        KEEP(*(.vectors))
        __Vectors_End = .;
        __Vectors_Size = __Vectors_End - __Vectors;
        __end__ = .;

        *(.text*)

        KEEP(*(.init))
        KEEP(*(.fini))

        /* .ctors */
        *crtbegin.o(.ctors)
        *crtbegin?.o(.ctors)
        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
        *(SORT(.ctors.*))
        *(.ctors)

        /* .dtors */
        *crtbegin.o(.dtors)
        *crtbegin?.o(.dtors)
        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
        *(SORT(.dtors.*))
        *(.dtors)

        *(.rodata*)

        KEEP(*(.eh_frame*))
    } > FLASH

    .ARM.extab :
    {
        *(.ARM.extab* .gnu.linkonce.armextab.*)
    } > FLASH

    __exidx_start = .;
    .ARM.exidx :
    {
        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
    } > FLASH
    __exidx_end = .;

    /* To copy multiple ROM to RAM sections,
    * uncomment .copy.table section and,
   * define __STARTUP_COPY_MULTIPLE in startup_ARMCMx.S */
    /*
    .copy.table :
    {
        . = ALIGN(4);
        __copy_table_start__ = .;
        LONG (__etext)
        LONG (__data_start__)
        LONG (__data_end__ - __data_start__)
        LONG (__etext2)
        LONG (__data2_start__)
        LONG (__data2_end__ - __data2_start__)
        __copy_table_end__ = .;
    } > FLASH
    */

    /* To clear multiple BSS sections,
    * uncomment .zero.table section and,
   * define __STARTUP_CLEAR_BSS_MULTIPLE in startup_ARMCMx.S */
    /*
    .zero.table :
    {
        . = ALIGN(4);
        __zero_table_start__ = .;
        LONG (__bss_start__)
        LONG (__bss_end__ - __bss_start__)
        LONG (__bss2_start__)
        LONG (__bss2_end__ - __bss2_start__)
        __zero_table_end__ = .;
    } > FLASH
    */

    __etext = .;

    .version = 0x337F8;
    .crc32 = 0x337FC;

    .data : AT (__etext)
    {
        __data_start__ = .;
        /*
        *("dma")
        PROVIDE( __start_vector_table__ = .);
        . += __vector_size;
        PROVIDE( __end_vector_table__ = .);
        */
        *(vtable)
        *(.data*)
        . = ALIGN (4);
        *(.ram)

        . = ALIGN(4);
        /* preinit data */
        PROVIDE_HIDDEN (__preinit_array_start = .);
        KEEP(*(.preinit_array))
        PROVIDE_HIDDEN (__preinit_array_end = .);

        . = ALIGN(4);
        /* init data */
        PROVIDE_HIDDEN (__init_array_start = .);
        KEEP(*(SORT(.init_array.*)))
        KEEP(*(.init_array))
        PROVIDE_HIDDEN (__init_array_end = .);

        . = ALIGN(4);
        /* finit data */
        PROVIDE_HIDDEN (__fini_array_start = .);
        KEEP(*(SORT(.fini_array.*)))
        KEEP(*(.fini_array))
        PROVIDE_HIDDEN (__fini_array_end = .);

        KEEP(*(.jcr*))
        . = ALIGN(4);
        /* All data end */
        __data_end__ = .;
    } > RAM

    .bss :
    {
        . = ALIGN(4);
        __bss_start__ = .;
        *(.bss*)
        *(COMMON)
        . = ALIGN(4);
        __bss_end__ = .;
    } > RAM

    .heap (COPY):
    {
        __HeapBase = .;
        __end__ = .;
        end = __end__;
        _end = __end__;
        KEEP(*(.heap*))
        __HeapLimit = .;
    } > RAM

    /* .stack_dummy section doesn't contains any symbols. It is only
    * used for linker to calculate size of stack sections, and assign
   * values to stack symbols later */
    .stack_dummy (COPY):
    {
        KEEP(*(.stack*))
    } > RAM

    /* Set stack top to end of RAM, and stack limit move down by
   * size of stack_dummy section */
    __StackTop = ORIGIN(RAM) + LENGTH(RAM);
    __StackLimit = __StackTop - SIZEOF(.stack_dummy);
    PROVIDE(__stack = __StackTop);

    /* Check if data + heap + stack exceeds RAM limit */
    ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")

    /* Check if FLASH usage exceeds FLASH size */
    ASSERT( LENGTH(FLASH) >= (__etext + SIZEOF(.data)), "FLASH memory overflowed !")
}