diff options
Diffstat (limited to 'gcc-4.4.0/gcc/collect2.c')
| -rw-r--r-- | gcc-4.4.0/gcc/collect2.c | 95 |
1 files changed, 91 insertions, 4 deletions
diff --git a/gcc-4.4.0/gcc/collect2.c b/gcc-4.4.0/gcc/collect2.c index 3f62dfe40..b7058154a 100644 --- a/gcc-4.4.0/gcc/collect2.c +++ b/gcc-4.4.0/gcc/collect2.c @@ -766,6 +766,8 @@ int main (int argc, char **argv) { static const char *const ld_suffix = "ld"; + static const char *const gold_suffix = "ld.gold"; + static const char *const bfd_ld_suffix = "ld.bfd"; static const char *const real_ld_suffix = "real-ld"; static const char *const collect_ld_suffix = "collect-ld"; static const char *const nm_suffix = "nm"; @@ -784,6 +786,10 @@ main (int argc, char **argv) const char *const full_ld_suffix = concat(target_machine, "-", ld_suffix, NULL); + const char *const full_gold_suffix = + concat(target_machine, "-", gold_suffix, NULL); + const char *const full_bfd_ld_suffix = + concat(target_machine, "-", bfd_ld_suffix, NULL); const char *const full_nm_suffix = concat (target_machine, "-", nm_suffix, NULL); const char *const full_gnm_suffix = @@ -798,6 +804,8 @@ main (int argc, char **argv) concat (target_machine, "-", gstrip_suffix, NULL); #else const char *const full_ld_suffix = ld_suffix; + const char *const full_gold_suffix = gold_suffix; + const char *const full_bfd_ld_suffix = bfd_ld_suffix; const char *const full_nm_suffix = nm_suffix; const char *const full_gnm_suffix = gnm_suffix; #ifdef LDD_SUFFIX @@ -818,6 +826,13 @@ main (int argc, char **argv) const char **c_ptr; char **ld1_argv; const char **ld1; + enum linker_select + { + DEF_LINKER, + GOLD_LINKER, + BFD_LINKER + } selected_linker = DEF_LINKER; + char **ld2_argv; const char **ld2; char **object_lst; @@ -875,6 +890,10 @@ main (int argc, char **argv) { if (! strcmp (argv[i], "-debug")) debug = 1; + else if (! strcmp (argv[i], "-use-gold")) + selected_linker = GOLD_LINKER; + else if (! strcmp (argv[i], "-use-ld")) + selected_linker = BFD_LINKER; } vflag = debug; } @@ -954,12 +973,80 @@ main (int argc, char **argv) ld_file_name = find_a_file (&cpath, collect_ld_suffix); /* Search the compiler directories for `ld'. We have protection against recursive calls in find_a_file. */ - if (ld_file_name == 0) - ld_file_name = find_a_file (&cpath, ld_suffix); + if (ld_file_name == NULL) + switch (selected_linker) + { + default: + case DEF_LINKER: + ld_file_name = find_a_file (&cpath, ld_suffix); + break; + case GOLD_LINKER: + ld_file_name = find_a_file (&cpath, gold_suffix); + break; + case BFD_LINKER: + ld_file_name = find_a_file (&cpath, bfd_ld_suffix); + break; + } /* Search the ordinary system bin directories for `ld' (if native linking) or `TARGET-ld' (if cross). */ - if (ld_file_name == 0) - ld_file_name = find_a_file (&path, full_ld_suffix); + if (ld_file_name == NULL) + switch (selected_linker) + { + default: + case DEF_LINKER: + ld_file_name = find_a_file (&path, full_ld_suffix); + break; + case GOLD_LINKER: + ld_file_name = find_a_file (&path, full_gold_suffix); + break; + case BFD_LINKER: + ld_file_name = find_a_file (&path, full_bfd_ld_suffix); + break; + } + + if ((vflag || debug) && ld_file_name == NULL) + { + struct prefix_list * p; + const char * s; + + notice ("collect2: warning: unable to find linker.\n"); + +#ifdef DEFAULT_LINKER + notice (" Searched for this absolute executable:\n"); + notice (" %s\n", DEFAULT_LINKER); +#endif + + notice (" Searched in these paths:\n"); + for (p = cpath.plist; p != NULL; p = p->next) + notice (" %s\n", p->prefix); + notice (" For these executables:\n"); + notice (" %s\n", real_ld_suffix); + notice (" %s\n", collect_ld_suffix); + switch (selected_linker) + { + default: + case DEF_LINKER: s = ld_suffix; break; + case GOLD_LINKER: s = gold_suffix; break; + case BFD_LINKER: s = bfd_ld_suffix; break; + } + notice (" %s\n", s); + + notice (" And searched in these paths:\n"); + for (p = path.plist; p != NULL; p = p->next) + notice (" %s\n", p->prefix); + notice (" For these executables:\n"); +#ifdef REAL_LD_FILE_NAME + notice (" %s\n", REAL_LD_FILE_NAME); +#endif + switch (selected_linker) + { + default: + case DEF_LINKER: s = full_ld_suffix; break; + case GOLD_LINKER: s = full_gold_suffix; break; + case BFD_LINKER: s = full_bfd_ld_suffix; break; + } + notice (" %s\n", s); + } #ifdef REAL_NM_FILE_NAME nm_file_name = find_a_file (&path, REAL_NM_FILE_NAME); |