diff options
| -rw-r--r-- | bfd/ChangeLog | 28 | ||||
| -rw-r--r-- | bfd/bfd-in2.h | 15 | ||||
| -rw-r--r-- | bfd/elf-bfd.h | 14 | ||||
| -rw-r--r-- | bfd/elf.c | 329 | ||||
| -rw-r--r-- | bfd/elfcode.h | 7 | ||||
| -rw-r--r-- | bfd/elflink.h | 14 | ||||
| -rw-r--r-- | bfd/elfxx-target.h | 4 | ||||
| -rw-r--r-- | bfd/section.c | 15 |
8 files changed, 392 insertions, 34 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index aad8211..9aa571c 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,31 @@ +2001-10-09 Alan Modra <amodra@bigpond.net.au> + + * elf-bfd.h (struct bfd_elf_section_data): Add "group" and + "next_in_group". Fix gp and gp_size comments. + * elf.c (union elf_internal_group): New. + (setup_group): New function. + (_bfd_elf_make_section_from_shdr): Set BFD flags for SHT_GROUP. + Call setup_group for SHF_GROUP sections. + (bfd_section_from_shdr): Build a BFD section for SHT_GROUP. + (elf_fake_sections): Set header type for SEC_GROUP, and header + flags for sections in a group. + (set_group_contents): New function. + (_bfd_elf_compute_section_file_positions): Call it. + (assign_section_numbers): Set sh_link for SHT_GROUP. + * elflink.h (gc_mark_hook): Handle section groups. + * elfxx-target.h: Add SEC_GROUP to applicable_flags. + * section.c (SEC_GROUP): Define. + (struct sec): Comment fixes. + * bfd-in2.h: Regenerate. + + * elf.c (bfd_elf_print_symbol): Formatting fix; migrate expression + out of function args. + (_bfd_elf_canonicalize_reloc): Similarly. + (_bfd_elf_get_symtab): Here too. + (_bfd_elf_canonicalize_dynamic_symtab): And here. + * elfcode.h (elf_slurp_symbol_table): Don't recalculate size for + bfd_bread, and remove unnecessary cast. + 2001-10-08 Aldy Hernandez <aldyh@redhat.com> * bfd/config.bfd (targ_cpu): Add arm9e-*-elf. diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index c040bba..fcdd1db 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -983,7 +983,7 @@ typedef struct sec int id; - /* Which section is it; 0..nth. */ + /* Which section in the bfd; 0..n-1 as sections are created in a bfd. */ int index; @@ -1098,9 +1098,10 @@ typedef struct sec objects are to be further relocated. */ #define SEC_EXCLUDE 0x40000 - /* The contents of this section are to be sorted by the - based on the address specified in the associated symbol - table. */ + /* The contents of this section are to be sorted based on the sum of + the symbol and addend values specified by the associated relocation + entries. Entries without associated relocation entries will be + appended to the end of the section in an unspecified order. */ #define SEC_SORT_ENTRIES 0x80000 /* When linking, duplicate sections of the same name should be @@ -1167,6 +1168,9 @@ typedef struct sec size entries. */ #define SEC_STRINGS 0x40000000 + /* This section contains data about section groups. */ +#define SEC_GROUP 0x80000000 + /* End of section flags. */ /* Some internal packed boolean fields. */ @@ -1187,7 +1191,8 @@ typedef struct sec /* A mark flag used by some linker backends for garbage collection. */ unsigned int gc_mark : 1; - /* Used by the ELF code to mark sections which have been allocated to segments. */ + /* Used by the ELF code to mark sections which have been allocated + to segments. */ unsigned int segment_mark : 1; /* End of internal packed boolean fields. */ diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index 5b2da98..50c8b2b 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -815,6 +815,13 @@ struct bfd_elf_section_data /* A pointer used for SEC_MERGE optimizations. */ PTR merge_info; + /* Group name, if this section is part of a group. */ + const char *group; + + /* A linked list of sections in the group. Circular when used by + the linker. */ + asection *next_in_group; + /* A pointer available for the processor specific ELF backend. */ PTR tdata; @@ -905,8 +912,11 @@ struct elf_obj_tdata void *prstatus; /* The raw /proc prstatus structure */ void *prpsinfo; /* The raw /proc prpsinfo structure */ #endif - bfd_vma gp; /* The gp value (MIPS only, for now) */ - unsigned int gp_size; /* The gp size (MIPS only, for now) */ + bfd_vma gp; /* The gp value */ + unsigned int gp_size; /* The gp size */ + + Elf_Internal_Shdr **group_sect_ptr; + int num_group; /* Information grabbed from an elf core file. */ int core_signal; @@ -51,7 +51,9 @@ static boolean prep_headers PARAMS ((bfd *)); static boolean swap_out_syms PARAMS ((bfd *, struct bfd_strtab_hash **, int)); static boolean copy_private_bfd_data PARAMS ((bfd *, bfd *)); static char *elf_read PARAMS ((bfd *, file_ptr, bfd_size_type)); +static boolean setup_group PARAMS ((bfd *, Elf_Internal_Shdr *, asection *)); static void elf_fake_sections PARAMS ((bfd *, asection *, PTR)); +static void set_group_contents PARAMS ((bfd *, asection *, PTR)); static boolean assign_section_numbers PARAMS ((bfd *)); static INLINE int sym_is_global PARAMS ((bfd *, asymbol *)); static boolean elf_map_symbols PARAMS ((bfd *)); @@ -345,6 +347,191 @@ bfd_elf_string_from_elf_section (abfd, shindex, strindex) return ((char *) hdr->contents) + strindex; } +/* Elf_Internal_Shdr->contents is an array of these for SHT_GROUP + sections. The first element is the flags, the rest are section + pointers. */ + +typedef union elf_internal_group { + Elf_Internal_Shdr *shdr; + unsigned int flags; +} Elf_Internal_Group; + +/* Set next_in_group list pointer, and group name for NEWSECT. */ + +static boolean +setup_group (abfd, hdr, newsect) + bfd *abfd; + Elf_Internal_Shdr *hdr; + asection *newsect; +{ + unsigned int num_group = elf_tdata (abfd)->num_group; + + /* If num_group is zero, read in all SHT_GROUP sections. The count + is set to -1 if there are no SHT_GROUP sections. */ + if (num_group == 0) + { + unsigned int i, shnum; + + /* First count the number of groups. If we have a SHT_GROUP + section with just a flag word (ie. sh_size is 4), ignore it. */ + shnum = elf_elfheader (abfd)->e_shnum; + num_group = 0; + for (i = 0; i < shnum; i++) + { + Elf_Internal_Shdr *shdr = elf_elfsections (abfd)[i]; + if (shdr->sh_type == SHT_GROUP && shdr->sh_size >= 8) + num_group += 1; + } + + if (num_group == 0) + num_group = -1; + elf_tdata (abfd)->num_group = num_group; + + if (num_group > 0) + { + /* We keep a list of elf section headers for group sections, + so we can find them quickly. */ + bfd_size_type amt = num_group * sizeof (Elf_Internal_Shdr *); + elf_tdata (abfd)->group_sect_ptr = bfd_alloc (abfd, amt); + if (elf_tdata (abfd)->group_sect_ptr == NULL) + return false; + + num_group = 0; + for (i = 0; i < shnum; i++) + { + Elf_Internal_Shdr *shdr = elf_elfsections (abfd)[i]; + if (shdr->sh_type == SHT_GROUP && shdr->sh_size >= 8) + { + char *src; + Elf_Internal_Group *dest; + + /* Add to list of sections. */ + elf_tdata (abfd)->group_sect_ptr[num_group] = shdr; + num_group += 1; + + /* Read the raw contents. */ + BFD_ASSERT (sizeof (*dest) >= 4); + amt = shdr->sh_size * sizeof (*dest) / 4; + shdr->contents = bfd_alloc (abfd, amt); + if (shdr->contents == NULL + || bfd_seek (abfd, shdr->sh_offset, SEEK_SET) != 0 + || (bfd_bread (shdr->contents, shdr->sh_size, abfd) + != shdr->sh_size)) + return false; + + /* Translate raw contents, a flag word followed by an + array of elf section indices all in target byte order, + to the flag word followed by an array of elf section + pointers. */ + src = shdr->contents + shdr->sh_size; + dest = (Elf_Internal_Group *) (shdr->contents + amt); + while (1) + { + unsigned int idx; + + src -= 4; + --dest; + idx = H_GET_32 (abfd, src); + if (src == shdr->contents) + { + dest->flags = idx; + break; + } + if (idx >= shnum) + { + ((*_bfd_error_handler) + (_("%s: invalid SHT_GROUP entry"), + bfd_archive_filename (abfd))); + idx = 0; + } + dest->shdr = elf_elfsections (abfd)[idx]; + } + } + } + } + } + + if (num_group != (unsigned) -1) + { + unsigned int i; + + for (i = 0; i < num_group; i++) + { + Elf_Internal_Shdr *shdr = elf_tdata (abfd)->group_sect_ptr[i]; + Elf_Internal_Group *idx = (Elf_Internal_Group *) shdr->contents; + unsigned int n_elt = shdr->sh_size / 4; + + /* Look through this group's sections to see if current + section is a member. */ + while (--n_elt != 0) + if ((++idx)->shdr == hdr) + { + asection *s; + + /* We are a member of this group. Go looking through + other members to see if any others are linked via + next_in_group. */ + idx = (Elf_Internal_Group *) shdr->contents; + n_elt = shdr->sh_size / 4; + while (--n_elt != 0) + if ((s = (++idx)->shdr->bfd_section) != NULL + && elf_section_data (s)->next_in_group != NULL) + break; + if (n_elt != 0) + { + const char *gname; + asection *next; + + /* Snarf the group name from other member, and + insert current section in circular list. */ + gname = elf_section_data (s)->group; + elf_section_data (newsect)->group = gname; + next = elf_section_data (s)->next_in_group; + elf_section_data (newsect)->next_in_group = next; + elf_section_data (s)->next_in_group = newsect; + } + else + { + struct elf_backend_data *bed; + file_ptr pos; + unsigned char ename[4]; + unsigned long iname; + const char *gname; + + /* Humbug. Get the name from the group signature + symbol. Why isn't the signature just a string? + Fortunately, the name index is at the same + place in the external symbol for both 32 and 64 + bit ELF. */ + bed = get_elf_backend_data (abfd); + pos = elf_tdata (abfd)->symtab_hdr.sh_offset; + pos += shdr->sh_info * bed->s->sizeof_sym; + if (bfd_seek (abfd, pos, SEEK_SET) != 0 + || bfd_bread (ename, 4, abfd) != 4) + return false; + iname = H_GET_32 (abfd, ename); + gname = elf_string_from_elf_strtab (abfd, iname); + elf_section_data (newsect)->group = gname; + + /* Start a circular list with one element. */ + elf_section_data (newsect)->next_in_group = newsect; + } + if (shdr->bfd_section != NULL) + shdr->bfd_section->lineno = (alent *) newsect; + i = num_group - 1; + break; + } + } + } + + if (elf_section_data (newsect)->group == NULL) + { + (*_bfd_error_handler) (_("%s: no group info for section %s"), + bfd_archive_filename (abfd), newsect->name); + } + return true; +} + /* Make a BFD section from an ELF section. We store a pointer to the BFD section in the bfd_section field of the header. */ @@ -380,6 +567,8 @@ _bfd_elf_make_section_from_shdr (abfd, hdr, name) flags = SEC_NO_FLAGS; if (hdr->sh_type != SHT_NOBITS) flags |= SEC_HAS_CONTENTS; + if (hdr->sh_type == SHT_GROUP) + flags |= SEC_GROUP | SEC_EXCLUDE; if ((hdr->sh_flags & SHF_ALLOC) != 0) { flags |= SEC_ALLOC; @@ -399,6 +588,9 @@ _bfd_elf_make_section_from_shdr (abfd, hdr, name) if ((hdr->sh_flags & SHF_STRINGS) != 0) flags |= SEC_STRINGS; } + if (hdr->sh_flags & SHF_GROUP) + if (!setup_group (abfd, hdr, newsect)) + return false; /* The debugging sections appear to be recognized only by name, not any sort of flag. */ @@ -841,6 +1033,7 @@ bfd_elf_print_symbol (abfd, filep, symbol, how) const char *name = NULL; struct elf_backend_data *bed; unsigned char st_other; + bfd_vma val; section_name = symbol->section ? symbol->section->name : "(*none*)"; @@ -859,10 +1052,11 @@ bfd_elf_print_symbol (abfd, filep, symbol, how) we've already printed the size; now print the alignment. For other symbols, we have no specified alignment, and we've printed the address; now print the size. */ - bfd_fprintf_vma (abfd, file, - (bfd_is_com_section (symbol->section) - ? ((elf_symbol_type *) symbol)->internal_elf_sym.st_value - : ((elf_symbol_type *) symbol)->internal_elf_sym.st_size)); + if (bfd_is_com_section (symbol->section)) + val = ((elf_symbol_type *) symbol)->internal_elf_sym.st_value; + else + val = ((elf_symbol_type *) symbol)->internal_elf_sym.st_size; + bfd_fprintf_vma (abfd, file, val); /* If we have version information, print it. */ if (elf_tdata (abfd)->dynversym_section != 0 @@ -1512,6 +1706,26 @@ bfd_section_from_shdr (abfd, shindex) case SHT_SHLIB: return true; + case SHT_GROUP: + /* Make a section for objcopy and relocatable links. */ + if (!_bfd_elf_make_section_from_shdr (abfd, hdr, name)) + return false; + if (hdr->contents != NULL) + { + Elf_Internal_Group *idx = (Elf_Internal_Group *) hdr->contents; + unsigned int n_elt = hdr->sh_size / 4; + asection *s; + + while (--n_elt != 0) + if ((s = (++idx)->shdr->bfd_section) != NULL + && elf_section_data (s)->next_in_group != NULL) + { + hdr->bfd_section->lineno = (alent *) s; + break; + } + } + break; + default: /* Check for any processor-specific section types. */ { @@ -1847,6 +2061,11 @@ elf_fake_sections (abfd, asect, failedptrarg) BFD_ASSERT (elf_tdata (abfd)->cverrefs == 0 || this_hdr->sh_info == elf_tdata (abfd)->cverrefs); } + else if ((asect->flags & SEC_GROUP) != 0) + { + this_hdr->sh_type = SHT_GROUP; + this_hdr->sh_entsize = 4; + } else if ((asect->flags & SEC_ALLOC) != 0 && ((asect->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)) this_hdr->sh_type = SHT_NOBITS; @@ -1866,6 +2085,8 @@ elf_fake_sections (abfd, asect, failedptrarg) if ((asect->flags & SEC_STRINGS) != 0) this_hdr->sh_flags |= SHF_STRINGS; } + if (elf_section_data (asect)->group != NULL) + this_hdr->sh_flags |= SHF_GROUP; /* Check for processor-specific section types. */ if (bed->elf_backend_fake_sections) @@ -1883,6 +2104,82 @@ elf_fake_sections (abfd, asect, failedptrarg) *failedptr = true; } +/* Fill in the contents of a SHT_GROUP section. */ + +static void +set_group_contents (abfd, sec, failedptrarg) + bfd *abfd; + asection *sec; + PTR failedptrarg ATTRIBUTE_UNUSED; +{ + boolean *failedptr = (boolean *) failedptrarg; + unsigned long symindx; + asection *elt; + unsigned char *loc; + struct bfd_link_order *l; + + if (elf_section_data (sec)->this_hdr.sh_type != SHT_GROUP + || *failedptr) + return; + + /* If called from the assembler, swap_out_syms will have set up + udata.i; If called for "ld -r", the symbols won't yet be mapped, + so emulate elf_bfd_final_link. */ + symindx = sec->symbol->udata.i; + if (symindx == 0) + symindx = elf_section_data (sec)->this_idx; + elf_section_data (sec)->this_hdr.sh_info = symindx; + + /* Nor will the contents be allocated for "ld -r". */ + if (sec->contents == NULL) + { + sec->contents = bfd_alloc (abfd, sec->_raw_size); + if (sec->contents == NULL) + { + *failedptr = true; + return; + } + } + + loc = sec->contents + sec->_raw_size; + + /* Get the pointer to the first section in the group that we + squirreled away here. */ + elt = (asection *) sec->lineno; + + /* First element is a flag word. Rest of section is elf section + indices for all the sections of the group. Write them backwards + just to keep the group in the same order as given in .section + directives, not that it matters. */ + while (elt != NULL) + { + loc -= 4; + H_PUT_32 (abfd, elf_section_data (elt)->this_idx, loc); + elt = elf_section_data (elt)->next_in_group; + } + + /* If this is a relocatable link, then the above did nothing because + SEC is the output section. Look through the input sections + instead. */ + for (l = sec->link_order_head; l != NULL; l = l->next) + if (l->type == bfd_indirect_link_order + && (elt = (asection *) l->u.indirect.section->lineno) != NULL) + do + { + loc -= 4; + H_PUT_32 (abfd, + elf_section_data (elt->output_section)->this_idx, loc); + elt = elf_section_data (elt)->next_in_group; + /* During a relocatable link, the lists are circular. */ + } + while (elt != (asection *) l->u.indirect.section->lineno); + + loc -= 4; + H_PUT_32 (abfd, 0, loc); + + BFD_ASSERT (loc == sec->contents); +} + /* Assign all ELF section numbers. The dummy first section is handled here too. The link/info pointers for the standard section types are filled in here too, while we're at it. */ @@ -2055,6 +2352,9 @@ assign_section_numbers (abfd) if (s != NULL) d->this_hdr.sh_link = elf_section_data (s)->this_idx; break; + + case SHT_GROUP: + d->this_hdr.sh_link = t->symtab_section; } } @@ -2331,6 +2631,13 @@ _bfd_elf_compute_section_file_positions (abfd, link_info) return false; } + if (link_info == NULL || link_info->relocateable) + { + bfd_map_over_sections (abfd, set_group_contents, &failed); + if (failed) + return false; + } + shstrtab_hdr = &elf_tdata (abfd)->shstrtab_hdr; /* sh_name was set in prep_headers. */ shstrtab_hdr->sh_type = SHT_STRTAB; @@ -4569,11 +4876,9 @@ _bfd_elf_canonicalize_reloc (abfd, section, relptr, symbols) { arelent *tblptr; unsigned int i; + struct elf_backend_data *bed = get_elf_backend_data (abfd); - if (! get_elf_backend_data (abfd)->s->slurp_reloc_table (abfd, - section, - symbols, - false)) + if (! bed->s->slurp_reloc_table (abfd, section, symbols, false)) return -1; tblptr = section->relocation; @@ -4590,8 +4895,8 @@ _bfd_elf_get_symtab (abfd, alocation) bfd *abfd; asymbol **alocation; { - long symcount = get_elf_backend_data (abfd)->s->slurp_symbol_table - (abfd, alocation, false); + struct elf_backend_data *bed = get_elf_backend_data (abfd); + long symcount = bed->s->slurp_symbol_table (abfd, alocation, false); if (symcount >= 0) bfd_get_symcount (abfd) = symcount; @@ -4603,8 +4908,8 @@ _bfd_elf_canonicalize_dynamic_symtab (abfd, alocation) bfd *abfd; asymbol **alocation; { - return get_elf_backend_data (abfd)->s->slurp_symbol_table - (abfd, alocation, true); + struct elf_backend_data *bed = get_elf_backend_data (abfd); + return bed->s->slurp_symbol_table (abfd, alocation, true); } /* Return the size required for the dynamic reloc entries. Any diff --git a/bfd/elfcode.h b/bfd/elfcode.h index 3a76f1a..d634219 100644 --- a/bfd/elfcode.h +++ b/bfd/elfcode.h @@ -1084,10 +1084,7 @@ elf_slurp_symbol_table (abfd, symptrs, dynamic) if (x_symp == NULL && symcount != 0) goto error_return; - if (bfd_bread ((PTR) x_symp, - (bfd_size_type) (symcount * sizeof (Elf_External_Sym)), - abfd) - != symcount * sizeof (Elf_External_Sym)) + if (bfd_bread ((PTR) x_symp, amt, abfd) != amt) goto error_return; /* Read the raw ELF version symbol information. */ @@ -1115,7 +1112,7 @@ elf_slurp_symbol_table (abfd, symptrs, dynamic) if (x_versymp == NULL && verhdr->sh_size != 0) goto error_return; - if (bfd_bread ((PTR) x_versymp, (bfd_size_type) verhdr->sh_size, abfd) + if (bfd_bread ((PTR) x_versymp, verhdr->sh_size, abfd) != verhdr->sh_size) goto error_return; } diff --git a/bfd/elflink.h b/bfd/elflink.h index a8ffb0b..19fcea7 100644 --- a/bfd/elflink.h +++ b/bfd/elflink.h @@ -6878,7 +6878,8 @@ static boolean elf_gc_smash_unused_vtentry_relocs PARAMS ((struct elf_link_hash_entry *h, PTR dummy)); /* The mark phase of garbage collection. For a given section, mark - it, and all the sections which define symbols to which it refers. */ + it and any sections in this section's group, and all the sections + which define symbols to which it refers. */ static boolean elf_gc_mark (info, sec, gc_mark_hook) @@ -6888,12 +6889,19 @@ elf_gc_mark (info, sec, gc_mark_hook) PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *, struct elf_link_hash_entry *, Elf_Internal_Sym *)); { - boolean ret = true; + boolean ret; + asection *group_sec; sec->gc_mark = 1; - /* Look through the section relocs. */ + /* Mark all the sections in the group. */ + group_sec = elf_section_data (sec)->next_in_group; + if (group_sec && !group_sec->gc_mark) + if (!elf_gc_mark (info, group_sec, gc_mark_hook)) + return false; + /* Look through the section relocs. */ + ret = true; if ((sec->flags & SEC_RELOC) != 0 && sec->reloc_count > 0) { Elf_Internal_Rela *relstart, *rel, *relend; diff --git a/bfd/elfxx-target.h b/bfd/elfxx-target.h index 59da038..758deb4 100644 --- a/bfd/elfxx-target.h +++ b/bfd/elfxx-target.h @@ -495,7 +495,7 @@ const bfd_target TARGET_BIG_SYM = /* section_flags: mask of all section flags */ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES - | SEC_ARCH_BIT_0 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS), + | SEC_ARCH_BIT_0 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP), /* leading_symbol_char: is the first char of a user symbol predictable, and if so what is it */ @@ -591,7 +591,7 @@ const bfd_target TARGET_LITTLE_SYM = /* section_flags: mask of all section flags */ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES - | SEC_ARCH_BIT_0 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS), + | SEC_ARCH_BIT_0 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP), /* leading_symbol_char: is the first char of a user symbol predictable, and if so what is it */ diff --git a/bfd/section.c b/bfd/section.c index f3bd381..702f05a 100644 --- a/bfd/section.c +++ b/bfd/section.c @@ -177,7 +177,7 @@ CODE_FRAGMENT . . int id; . -. {* Which section is it; 0..nth. *} +. {* Which section in the bfd; 0..n-1 as sections are created in a bfd. *} . . int index; . @@ -292,9 +292,10 @@ CODE_FRAGMENT . objects are to be further relocated. *} .#define SEC_EXCLUDE 0x40000 . -. {* The contents of this section are to be sorted by the -. based on the address specified in the associated symbol -. table. *} +. {* The contents of this section are to be sorted based on the sum of +. the symbol and addend values specified by the associated relocation +. entries. Entries without associated relocation entries will be +. appended to the end of the section in an unspecified order. *} .#define SEC_SORT_ENTRIES 0x80000 . . {* When linking, duplicate sections of the same name should be @@ -361,6 +362,9 @@ CODE_FRAGMENT . size entries. *} .#define SEC_STRINGS 0x40000000 . +. {* This section contains data about section groups. *} +.#define SEC_GROUP 0x80000000 +. . {* End of section flags. *} . . {* Some internal packed boolean fields. *} @@ -381,7 +385,8 @@ CODE_FRAGMENT . {* A mark flag used by some linker backends for garbage collection. *} . unsigned int gc_mark : 1; . -. {* Used by the ELF code to mark sections which have been allocated to segments. *} +. {* Used by the ELF code to mark sections which have been allocated +. to segments. *} . unsigned int segment_mark : 1; . . {* End of internal packed boolean fields. *} |