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Add --enable-linker-version option to bfd linker to add an entry in the .comment section.

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PR 30187
  * NEWS: Mention the new feature. * ld.texi: Document the new feature. * ldgram.y: Handle LINKER_VERSION token. * ldlang.c (lang_add_version): New function. (enable_linker_version): New global variable. * ldlang.h (land_add_version): Prototype. (enable_linker_version): Export. * ldlex.h (OPTION_ENABLE_LINKER_VERSION): Define. (OPTION_DISABLE_LINKER_VERSION): Define. * ldlex.l (LINKER_VERSION): Add token. * lexsup.c (ld_options): Add --enable-linker-version and --disable-linker-version. (parse_args): Handle the new options. * scripttempl/arclinux.sc: Remove stabs and comment sections and replace with inclusion of misc-sections.sc * scripttempl/avr.sc: Likewise. * scripttempl/dlx.sc: Likewise. * scripttempl/elf.sc: Likewise. * scripttempl/elf32cr16.sc: Likewise. * scripttempl/elf32crx.sc: Likewise. * scripttempl/elf32msp430.sc: Likewise. * scripttempl/elf64bpf.sc: Likewise. * scripttempl/elf64hppa.sc: Likewise. * scripttempl/elf_chaos.sc: Likewise. * scripttempl/elfarc.sc: Likewise. * scripttempl/elfarcv2.sc: Likewise. * scripttempl/elfd10v.sc: Likewise. * scripttempl/elfd30v.sc: Likewise. * scripttempl/elfm68hc11.sc: Likewise. * scripttempl/elfm68hc12.sc: Likewise. * scripttempl/elfm9s12z.sc: Likewise. * scripttempl/elfmicroblaze.sc: Likewise. * scripttempl/elfxgate.sc: Likewise. * scripttempl/elfxtensa.sc: Likewise. * scripttempl/epiphany_4x4.sc: Likewise. * scripttempl/ft32.sc: Likewise. * scripttempl/ip2k.sc: Likewise. * scripttempl/iq2000.sc: Likewise. * scripttempl/mep.sc: Likewise. * scripttempl/nds32elf.sc: Likewise. * scripttempl/pru.sc: Likewise. * scripttempl/v850.sc: Likewise. * scripttempl/v850_rh850.sc: Likewise. * scripttempl/visium.sc: Likewise. * scripttempl/xstormy16.sc: Likewise. * scripttempl/z80.sc: Likewise. * testsuite/ld-scripts/script.exp: Run new tests. * scripttempl/misc-sections.sc: New file. * testsuite/ld-scripts/ld-version-2.d: New file. * testsuite/ld-scripts/ld-version.d: New file. * testsuite/ld-scripts/ld-version.t: New file.
This commit is contained in:
Nick Clifton
2023-03-15 14:27:21 +00:00
parent 71f646f2b3
commit 2d5783fad7
46 changed files with 243 additions and 278 deletions
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28
ld/ldlang.c
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@@ -27,7 +27,6 @@
#include "obstack.h"
#include "bfdlink.h"
#include "ctf-api.h"
#include "ld.h"
#include "ldmain.h"
#include "ldexp.h"
@@ -42,9 +41,11 @@
#include "demangle.h"
#include "hashtab.h"
#include "elf-bfd.h"
#include "bfdver.h"
#if BFD_SUPPORTS_PLUGINS
#include "plugin.h"
#endif /* BFD_SUPPORTS_PLUGINS */
#endif
#ifndef offsetof
#define offsetof(TYPE, MEMBER) ((size_t) & (((TYPE*) 0)->MEMBER))
@@ -131,6 +132,7 @@ bool lang_has_input_file = false;
bool had_output_filename = false;
bool lang_float_flag = false;
bool delete_output_file_on_failure = false;
bool enable_linker_version = false;
struct lang_phdr *lang_phdr_list;
struct lang_nocrossrefs *nocrossref_list;
struct asneeded_minfo **asneeded_list_tail;
@@ -8261,6 +8263,28 @@ lang_process (void)
lang_end ();
}
void
lang_add_version_string (void)
{
if (! enable_linker_version)
return;
const char * str = "GNU ld ";
int len = strlen (str);
int i;
for (i = 0 ; i < len ; i++)
lang_add_data (BYTE, exp_intop (str[i]));
str = BFD_VERSION_STRING;
len = strlen (str);
for (i = 0 ; i < len ; i++)
lang_add_data (BYTE, exp_intop (str[i]));
lang_add_data (BYTE, exp_intop ('\0'));
}
/* EXPORTED TO YACC */
void