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| author | Roland McGrath <roland@gnu.org> | 2010-08-17 20:03:41 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2010-08-17 20:03:41 +0000 |
| commit | 01642c122ac3ce89296b87975f5a073c141f9f40 (patch) | |
| tree | 19fdb365806ca479ea89bf2c8f799195716f55c5 /gas/config/obj-elf.c | |
| parent | ebf252ff9beff532b432b22ee4f6a4665c7332d5 (diff) | |
| download | gdb-01642c122ac3ce89296b87975f5a073c141f9f40.zip gdb-01642c122ac3ce89296b87975f5a073c141f9f40.tar.gz gdb-01642c122ac3ce89296b87975f5a073c141f9f40.tar.bz2 | |
Add "?" pseudo-flag to ELF .section/.pushsection directives.
Diffstat (limited to 'gas/config/obj-elf.c')
| -rw-r--r-- | gas/config/obj-elf.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/gas/config/obj-elf.c b/gas/config/obj-elf.c index b123b6b..fc22d6e 100644 --- a/gas/config/obj-elf.c +++ b/gas/config/obj-elf.c @@ -420,7 +420,7 @@ obj_elf_local (int ignore ATTRIBUTE_UNUSED) do { - symbolP = get_sym_from_input_line_and_check (); + symbolP = get_sym_from_input_line_and_check (); c = *input_line_pointer; S_CLEAR_EXTERNAL (symbolP); symbol_get_obj (symbolP)->local = 1; @@ -444,7 +444,7 @@ obj_elf_weak (int ignore ATTRIBUTE_UNUSED) do { - symbolP = get_sym_from_input_line_and_check (); + symbolP = get_sym_from_input_line_and_check (); c = *input_line_pointer; S_SET_WEAK (symbolP); symbol_get_obj (symbolP)->local = 1; @@ -741,9 +741,10 @@ obj_elf_change_section (const char *name, } static bfd_vma -obj_elf_parse_section_letters (char *str, size_t len) +obj_elf_parse_section_letters (char *str, size_t len, bfd_boolean *clone) { bfd_vma attr = 0; + *clone = FALSE; while (len > 0) { @@ -773,6 +774,9 @@ obj_elf_parse_section_letters (char *str, size_t len) case 'T': attr |= SHF_TLS; break; + case '?': + *clone = TRUE; + break; /* Compatibility. */ case 'm': if (*(str - 1) == 'a') @@ -974,13 +978,15 @@ obj_elf_section (int push) if (*input_line_pointer == '"') { + bfd_boolean clone; + beg = demand_copy_C_string (&dummy); if (beg == NULL) { ignore_rest_of_line (); return; } - attr |= obj_elf_parse_section_letters (beg, strlen (beg)); + attr |= obj_elf_parse_section_letters (beg, strlen (beg), &clone); SKIP_WHITESPACE (); if (*input_line_pointer == ',') @@ -1032,6 +1038,11 @@ obj_elf_section (int push) attr &= ~SHF_MERGE; } + if ((attr & SHF_GROUP) != 0 && clone) + { + as_warn (_("? section flag ignored with G present")); + clone = FALSE; + } if ((attr & SHF_GROUP) != 0 && *input_line_pointer == ',') { ++input_line_pointer; @@ -1051,6 +1062,16 @@ obj_elf_section (int push) as_warn (_("group name for SHF_GROUP not specified")); attr &= ~SHF_GROUP; } + + if (clone) + { + const char *now_group = elf_group_name (now_seg); + if (now_group != NULL) + { + group_name = xstrdup (now_group); + linkonce = (now_seg->flags & SEC_LINK_ONCE) != 0; + } + } } else { |