X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Fbfd.c;h=b1050626b68194e60c55b6780bb1244873e94083;hb=36231dfc188426d9b887af2d1c6c2cbb1c746cb3;hp=36ff4f53bd8f0a894779aa7ca83d9eab80de5151;hpb=07d6d2b8345ef3dc82eab49635acac9ee67dbb18;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/bfd.c b/bfd/bfd.c index 36ff4f53bd..b1050626b6 100644 --- a/bfd/bfd.c +++ b/bfd/bfd.c @@ -1,5 +1,5 @@ /* Generic BFD library interface and support routines. - Copyright (C) 1990-2017 Free Software Foundation, Inc. + Copyright (C) 1990-2020 Free Software Foundation, Inc. Written by Cygnus Support. This file is part of BFD, the Binary File Descriptor library. @@ -74,8 +74,9 @@ CODE_FRAGMENT . least-recently-used list of BFDs. *} . struct bfd *lru_prev, *lru_next; . -. {* When a file is closed by the caching routines, BFD retains -. state information on the file here... *} +. {* Track current file position (or current buffer offset for +. in-memory BFDs). When a file is closed by the caching routines, +. BFD retains state information on the file here. *} . ufile_ptr where; . . {* File modified time, if mtime_set is TRUE. *} @@ -91,7 +92,7 @@ CODE_FRAGMENT . ENUM_BITFIELD (bfd_direction) direction : 2; . . {* Format_specific flags. *} -. flagword flags : 20; +. flagword flags; . . {* Values that may appear in the flags field of a BFD. These also . appear in the object_flags field of the bfd_target structure, where @@ -178,6 +179,9 @@ CODE_FRAGMENT . {* Use the ELF STT_COMMON type in this BFD. *} .#define BFD_USE_ELF_STT_COMMON 0x80000 . +. {* Put pathnames into archives (non-POSIX). *} +.#define BFD_ARCHIVE_FULL_PATH 0x100000 +. . {* Flags bits to be saved in bfd_preserve_save. *} .#define BFD_FLAGS_SAVED \ . (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_LINKER_CREATED \ @@ -219,6 +223,9 @@ CODE_FRAGMENT . {* Set if this is a thin archive. *} . unsigned int is_thin_archive : 1; . +. {* Set if this archive should not cache element positions. *} +. unsigned int no_element_cache : 1; +. . {* Set if only required symbols should be added in the link hash table for . this object. Used by VMS linkers. *} . unsigned int selective_search : 1; @@ -235,6 +242,9 @@ CODE_FRAGMENT . {* Set if this is a plugin output file. *} . unsigned int lto_output : 1; . +. {* Set if this is a slim LTO object not loaded with a compiler plugin. *} +. unsigned int lto_slim_object : 1; +. . {* Set to dummy BFD created when claimed by a compiler plug-in . library. *} . bfd *plugin_dummy_bfd; @@ -304,21 +314,15 @@ CODE_FRAGMENT . { . struct aout_data_struct *aout_data; . struct artdata *aout_ar_data; -. struct _oasys_data *oasys_obj_data; -. struct _oasys_ar_data *oasys_ar_data; . struct coff_tdata *coff_obj_data; . struct pe_tdata *pe_obj_data; . struct xcoff_tdata *xcoff_obj_data; . struct ecoff_tdata *ecoff_obj_data; -. struct ieee_data_struct *ieee_data; -. struct ieee_ar_data_struct *ieee_ar_data; . struct srec_data_struct *srec_data; . struct verilog_data_struct *verilog_data; . struct ihex_data_struct *ihex_data; . struct tekhex_data_struct *tekhex_data; . struct elf_obj_tdata *elf_obj_data; -. struct nlm_obj_tdata *nlm_obj_data; -. struct bout_data_struct *bout_data; . struct mmo_data_struct *mmo_data; . struct sun_core_struct *sun_core_data; . struct sco5_core_struct *sco5_core_data; @@ -354,6 +358,78 @@ CODE_FRAGMENT . const struct bfd_build_id *build_id; .}; . +.static inline const char * +.bfd_get_filename (const bfd *abfd) +.{ +. return abfd->filename; +.} +. +.static inline bfd_boolean +.bfd_get_cacheable (const bfd *abfd) +.{ +. return abfd->cacheable; +.} +. +.static inline enum bfd_format +.bfd_get_format (const bfd *abfd) +.{ +. return abfd->format; +.} +. +.static inline flagword +.bfd_get_file_flags (const bfd *abfd) +.{ +. return abfd->flags; +.} +. +.static inline bfd_vma +.bfd_get_start_address (const bfd *abfd) +.{ +. return abfd->start_address; +.} +. +.static inline unsigned int +.bfd_get_symcount (const bfd *abfd) +.{ +. return abfd->symcount; +.} +. +.static inline unsigned int +.bfd_get_dynamic_symcount (const bfd *abfd) +.{ +. return abfd->dynsymcount; +.} +. +.static inline struct bfd_symbol ** +.bfd_get_outsymbols (const bfd *abfd) +.{ +. return abfd->outsymbols; +.} +. +.static inline unsigned int +.bfd_count_sections (const bfd *abfd) +.{ +. return abfd->section_count; +.} +. +.static inline bfd_boolean +.bfd_has_map (const bfd *abfd) +.{ +. return abfd->has_armap; +.} +. +.static inline bfd_boolean +.bfd_is_thin_archive (const bfd *abfd) +.{ +. return abfd->is_thin_archive; +.} +. +.static inline void * +.bfd_usrdata (const bfd *abfd) +.{ +. return abfd->usrdata; +.} +. .{* See note beside bfd_set_section_userdata. *} .static inline bfd_boolean .bfd_set_cacheable (bfd * abfd, bfd_boolean val) @@ -362,6 +438,148 @@ CODE_FRAGMENT . return TRUE; .} . +.static inline void +.bfd_set_thin_archive (bfd *abfd, bfd_boolean val) +.{ +. abfd->is_thin_archive = val; +.} +. +.static inline void +.bfd_set_usrdata (bfd *abfd, void *val) +.{ +. abfd->usrdata = val; +.} +. +.static inline asection * +.bfd_asymbol_section (const asymbol *sy) +.{ +. return sy->section; +.} +. +.static inline bfd_vma +.bfd_asymbol_value (const asymbol *sy) +.{ +. return sy->section->vma + sy->value; +.} +. +.static inline const char * +.bfd_asymbol_name (const asymbol *sy) +.{ +. return sy->name; +.} +. +.static inline struct bfd * +.bfd_asymbol_bfd (const asymbol *sy) +.{ +. return sy->the_bfd; +.} +. +.static inline void +.bfd_set_asymbol_name (asymbol *sy, const char *name) +.{ +. sy->name = name; +.} +. +.static inline bfd_size_type +.bfd_get_section_limit_octets (const bfd *abfd, const asection *sec) +.{ +. if (abfd->direction != write_direction && sec->rawsize != 0) +. return sec->rawsize; +. return sec->size; +.} +. +.{* Find the address one past the end of SEC. *} +.static inline bfd_size_type +.bfd_get_section_limit (const bfd *abfd, const asection *sec) +.{ +. return (bfd_get_section_limit_octets (abfd, sec) +. / bfd_octets_per_byte (abfd, sec)); +.} +. +.{* Functions to handle insertion and deletion of a bfd's sections. These +. only handle the list pointers, ie. do not adjust section_count, +. target_index etc. *} +.static inline void +.bfd_section_list_remove (bfd *abfd, asection *s) +.{ +. asection *next = s->next; +. asection *prev = s->prev; +. if (prev) +. prev->next = next; +. else +. abfd->sections = next; +. if (next) +. next->prev = prev; +. else +. abfd->section_last = prev; +.} +. +.static inline void +.bfd_section_list_append (bfd *abfd, asection *s) +.{ +. s->next = 0; +. if (abfd->section_last) +. { +. s->prev = abfd->section_last; +. abfd->section_last->next = s; +. } +. else +. { +. s->prev = 0; +. abfd->sections = s; +. } +. abfd->section_last = s; +.} +. +.static inline void +.bfd_section_list_prepend (bfd *abfd, asection *s) +.{ +. s->prev = 0; +. if (abfd->sections) +. { +. s->next = abfd->sections; +. abfd->sections->prev = s; +. } +. else +. { +. s->next = 0; +. abfd->section_last = s; +. } +. abfd->sections = s; +.} +. +.static inline void +.bfd_section_list_insert_after (bfd *abfd, asection *a, asection *s) +.{ +. asection *next = a->next; +. s->next = next; +. s->prev = a; +. a->next = s; +. if (next) +. next->prev = s; +. else +. abfd->section_last = s; +.} +. +.static inline void +.bfd_section_list_insert_before (bfd *abfd, asection *b, asection *s) +.{ +. asection *prev = b->prev; +. s->prev = prev; +. s->next = b; +. b->prev = s; +. if (prev) +. prev->next = s; +. else +. abfd->sections = s; +.} +. +.static inline bfd_boolean +.bfd_section_removed_from_list (const bfd *abfd, const asection *s) +.{ +. return s->next ? s->next->prev != s : abfd->section_last != s; +.} +. */ #include "sysdep.h" @@ -438,6 +656,7 @@ CODE_FRAGMENT . bfd_error_bad_value, . bfd_error_file_truncated, . bfd_error_file_too_big, +. bfd_error_sorry, . bfd_error_on_input, . bfd_error_invalid_error_code .} @@ -451,28 +670,29 @@ static bfd_error_type input_error = bfd_error_no_error; const char *const bfd_errmsgs[] = { - N_("No error"), - N_("System call error"), - N_("Invalid bfd target"), - N_("File in wrong format"), - N_("Archive object file in wrong format"), - N_("Invalid operation"), - N_("Memory exhausted"), - N_("No symbols"), - N_("Archive has no index; run ranlib to add one"), - N_("No more archived files"), - N_("Malformed archive"), + N_("no error"), + N_("system call error"), + N_("invalid bfd target"), + N_("file in wrong format"), + N_("archive object file in wrong format"), + N_("invalid operation"), + N_("memory exhausted"), + N_("no symbols"), + N_("archive has no index; run ranlib to add one"), + N_("no more archived files"), + N_("malformed archive"), N_("DSO missing from command line"), - N_("File format not recognized"), - N_("File format is ambiguous"), - N_("Section has no contents"), - N_("Nonrepresentable section on output"), - N_("Symbol needs debug section which does not exist"), - N_("Bad value"), - N_("File truncated"), - N_("File too big"), - N_("Error reading %s: %s"), - N_("#") + N_("file format not recognized"), + N_("file format is ambiguous"), + N_("section has no contents"), + N_("nonrepresentable section on output"), + N_("symbol needs debug section which does not exist"), + N_("bad value"), + N_("file truncated"), + N_("file too big"), + N_("sorry, cannot handle this file"), + N_("error reading %s: %s"), + N_("#") }; /* @@ -649,10 +869,7 @@ union _bfd_doprnt_args }; /* This macro and _bfd_doprnt taken from libiberty _doprnt.c, tidied a - little and extended to handle '%A', '%B' and positional parameters. - 'L' as a modifer for integer formats is used for bfd_vma and - bfd_size_type args, which vary in size depending on BFD - configuration. */ + little and extended to handle '%pA', '%pB' and positional parameters. */ #define PRINT_TYPE(TYPE, FIELD) \ do \ @@ -800,21 +1017,6 @@ _bfd_doprnt (FILE *stream, const char *format, union _bfd_doprnt_args *args) PRINT_TYPE (int, i); else { - /* L modifier for bfd_vma or bfd_size_type may be - either long long or long. */ - if (ptr[-2] == 'L') - { - sptr[-2] = 'l'; - if (BFD_ARCH_SIZE < 64 || BFD_HOST_64BIT_LONG) - wide_width = 1; - else - { - sptr[-1] = 'l'; - *sptr++ = ptr[-1]; - *sptr = '\0'; - } - } - switch (wide_width) { case 0: @@ -866,53 +1068,55 @@ _bfd_doprnt (FILE *stream, const char *format, union _bfd_doprnt_args *args) PRINT_TYPE (char *, p); break; case 'p': - PRINT_TYPE (void *, p); - break; - case 'A': - { - asection *sec; - bfd *abfd; - const char *group = NULL; - struct coff_comdat_info *ci; - - sec = (asection *) args[arg_no].p; - if (sec == NULL) - /* Invoking %A with a null section pointer is an - internal error. */ - abort (); - abfd = sec->owner; - if (abfd != NULL - && bfd_get_flavour (abfd) == bfd_target_elf_flavour - && elf_next_in_group (sec) != NULL - && (sec->flags & SEC_GROUP) == 0) - group = elf_group_name (sec); - else if (abfd != NULL - && bfd_get_flavour (abfd) == bfd_target_coff_flavour - && (ci = bfd_coff_get_comdat_section (sec->owner, - sec)) != NULL) - group = ci->name; - if (group != NULL) - result = fprintf (stream, "%s[%s]", sec->name, group); - else - result = fprintf (stream, "%s", sec->name); - } - break; - case 'B': - { - bfd *abfd; - - abfd = (bfd *) args[arg_no].p; - if (abfd == NULL) - /* Invoking %B with a null bfd pointer is an - internal error. */ - abort (); - else if (abfd->my_archive - && !bfd_is_thin_archive (abfd->my_archive)) - result = fprintf (stream, "%s(%s)", - abfd->my_archive->filename, abfd->filename); - else - result = fprintf (stream, "%s", abfd->filename); - } + if (*ptr == 'A') + { + asection *sec; + bfd *abfd; + const char *group = NULL; + struct coff_comdat_info *ci; + + ptr++; + sec = (asection *) args[arg_no].p; + if (sec == NULL) + /* Invoking %pA with a null section pointer is an + internal error. */ + abort (); + abfd = sec->owner; + if (abfd != NULL + && bfd_get_flavour (abfd) == bfd_target_elf_flavour + && elf_next_in_group (sec) != NULL + && (sec->flags & SEC_GROUP) == 0) + group = elf_group_name (sec); + else if (abfd != NULL + && bfd_get_flavour (abfd) == bfd_target_coff_flavour + && (ci = bfd_coff_get_comdat_section (sec->owner, + sec)) != NULL) + group = ci->name; + if (group != NULL) + result = fprintf (stream, "%s[%s]", sec->name, group); + else + result = fprintf (stream, "%s", sec->name); + } + else if (*ptr == 'B') + { + bfd *abfd; + + ptr++; + abfd = (bfd *) args[arg_no].p; + if (abfd == NULL) + /* Invoking %pB with a null bfd pointer is an + internal error. */ + abort (); + else if (abfd->my_archive + && !bfd_is_thin_archive (abfd->my_archive)) + result = fprintf (stream, "%s(%s)", + abfd->my_archive->filename, + abfd->filename); + else + result = fprintf (stream, "%s", abfd->filename); + } + else + PRINT_TYPE (void *, p); break; default: abort(); @@ -1049,12 +1253,6 @@ _bfd_doprnt_scan (const char *format, union _bfd_doprnt_args *args) arg_type = Int; else { - if (ptr[-2] == 'L') - { - if (BFD_ARCH_SIZE < 64 || BFD_HOST_64BIT_LONG) - wide_width = 1; - } - switch (wide_width) { case 0: @@ -1094,9 +1292,11 @@ _bfd_doprnt_scan (const char *format, union _bfd_doprnt_args *args) } break; case 's': + arg_type = Ptr; + break; case 'p': - case 'A': - case 'B': + if (*ptr == 'A' || *ptr == 'B') + ptr++; arg_type = Ptr; break; default: @@ -1113,14 +1313,6 @@ _bfd_doprnt_scan (const char *format, union _bfd_doprnt_args *args) return arg_count; } -/* This is the default routine to handle BFD error messages. - Like fprintf (stderr, ...), but also handles some extra format specifiers. - - %A section name from section. For group components, prints group name too. - %B file name from bfd. For archive components, prints archive too. - - Beware: Only supports a maximum of 9 format arguments. */ - static void error_handler_internal (const char *fmt, va_list ap) { @@ -1182,6 +1374,26 @@ error_handler_internal (const char *fmt, va_list ap) static bfd_error_handler_type _bfd_error_internal = error_handler_internal; +/* +FUNCTION + _bfd_error_handler + +SYNOPSIS + void _bfd_error_handler (const char *fmt, ...) ATTRIBUTE_PRINTF_1; + +DESCRIPTION + This is the default routine to handle BFD error messages. + Like fprintf (stderr, ...), but also handles some extra format + specifiers. + + %pA section name from section. For group components, prints + group name too. + %pB file name from bfd. For archive components, prints + archive too. + + Beware: Only supports a maximum of 9 format arguments. +*/ + void _bfd_error_handler (const char *fmt, ...) { @@ -1425,7 +1637,7 @@ bfd_set_file_flags (bfd *abfd, flagword flags) return FALSE; } - bfd_get_file_flags (abfd) = flags; + abfd->flags = flags; if ((flags & bfd_applicable_file_flags (abfd)) != flags) { bfd_set_error (bfd_error_invalid_operation); @@ -1514,7 +1726,7 @@ RETURNS int bfd_get_sign_extend_vma (bfd *abfd) { - char *name; + const char *name; if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) return get_elf_backend_data (abfd)->sign_extend_vma; @@ -1533,7 +1745,8 @@ bfd_get_sign_extend_vma (bfd *abfd) || strcmp (name, "pei-x86-64") == 0 || strcmp (name, "pe-arm-wince-little") == 0 || strcmp (name, "pei-arm-wince-little") == 0 - || strcmp (name, "aixcoff-rs6000") == 0) + || strcmp (name, "aixcoff-rs6000") == 0 + || strcmp (name, "aix5coff64-rs6000") == 0) return 1; if (CONST_STRNEQ (name, "mach-o")) @@ -1868,6 +2081,9 @@ DESCRIPTION .#define bfd_is_group_section(abfd, sec) \ . BFD_SEND (abfd, _bfd_is_group_section, (abfd, sec)) . +.#define bfd_group_name(abfd, sec) \ +. BFD_SEND (abfd, _bfd_group_name, (abfd, sec)) +. .#define bfd_discard_group(abfd, sec) \ . BFD_SEND (abfd, _bfd_discard_group, (abfd, sec)) . @@ -2157,7 +2373,7 @@ FUNCTION bfd_emul_get_commonpagesize SYNOPSIS - bfd_vma bfd_emul_get_commonpagesize (const char *); + bfd_vma bfd_emul_get_commonpagesize (const char *, bfd_boolean); DESCRIPTION Returns the common page size, in bytes, as determined by @@ -2168,15 +2384,22 @@ RETURNS */ bfd_vma -bfd_emul_get_commonpagesize (const char *emul) +bfd_emul_get_commonpagesize (const char *emul, bfd_boolean relro) { const bfd_target *target; target = bfd_find_target (emul, NULL); if (target != NULL && target->flavour == bfd_target_elf_flavour) - return xvec_get_elf_backend_data (target)->commonpagesize; + { + const struct elf_backend_data *bed; + bed = xvec_get_elf_backend_data (target); + if (relro) + return bed->relropagesize; + else + return bed->commonpagesize; + } return 0; } @@ -2317,53 +2540,57 @@ void bfd_update_compression_header (bfd *abfd, bfd_byte *contents, asection *sec) { - if ((abfd->flags & BFD_COMPRESS) != 0) + if ((abfd->flags & BFD_COMPRESS) == 0) + abort (); + + switch (bfd_get_flavour (abfd)) { - if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) + case bfd_target_elf_flavour: + if ((abfd->flags & BFD_COMPRESS_GABI) != 0) { - if ((abfd->flags & BFD_COMPRESS_GABI) != 0) - { - const struct elf_backend_data *bed - = get_elf_backend_data (abfd); + const struct elf_backend_data *bed = get_elf_backend_data (abfd); - /* Set the SHF_COMPRESSED bit. */ - elf_section_flags (sec) |= SHF_COMPRESSED; + /* Set the SHF_COMPRESSED bit. */ + elf_section_flags (sec) |= SHF_COMPRESSED; - if (bed->s->elfclass == ELFCLASS32) - { - Elf32_External_Chdr *echdr - = (Elf32_External_Chdr *) contents; - bfd_put_32 (abfd, ELFCOMPRESS_ZLIB, &echdr->ch_type); - bfd_put_32 (abfd, sec->size, &echdr->ch_size); - bfd_put_32 (abfd, 1 << sec->alignment_power, - &echdr->ch_addralign); - } - else - { - Elf64_External_Chdr *echdr - = (Elf64_External_Chdr *) contents; - bfd_put_32 (abfd, ELFCOMPRESS_ZLIB, &echdr->ch_type); - bfd_put_32 (abfd, 0, &echdr->ch_reserved); - bfd_put_64 (abfd, sec->size, &echdr->ch_size); - bfd_put_64 (abfd, 1 << sec->alignment_power, - &echdr->ch_addralign); - } + if (bed->s->elfclass == ELFCLASS32) + { + Elf32_External_Chdr *echdr = (Elf32_External_Chdr *) contents; + bfd_put_32 (abfd, ELFCOMPRESS_ZLIB, &echdr->ch_type); + bfd_put_32 (abfd, sec->size, &echdr->ch_size); + bfd_put_32 (abfd, 1 << sec->alignment_power, + &echdr->ch_addralign); + /* bfd_log2 (alignof (Elf32_Chdr)) */ + bfd_set_section_alignment (sec, 2); } else { - /* Clear the SHF_COMPRESSED bit. */ - elf_section_flags (sec) &= ~SHF_COMPRESSED; - - /* Write the zlib header. It should be "ZLIB" followed by - the uncompressed section size, 8 bytes in big-endian - order. */ - memcpy (contents, "ZLIB", 4); - bfd_putb64 (sec->size, contents + 4); + Elf64_External_Chdr *echdr = (Elf64_External_Chdr *) contents; + bfd_put_32 (abfd, ELFCOMPRESS_ZLIB, &echdr->ch_type); + bfd_put_32 (abfd, 0, &echdr->ch_reserved); + bfd_put_64 (abfd, sec->size, &echdr->ch_size); + bfd_put_64 (abfd, 1 << sec->alignment_power, + &echdr->ch_addralign); + /* bfd_log2 (alignof (Elf64_Chdr)) */ + bfd_set_section_alignment (sec, 3); } + break; } + + /* Clear the SHF_COMPRESSED bit. */ + elf_section_flags (sec) &= ~SHF_COMPRESSED; + /* Fall through. */ + + default: + /* Write the zlib header. It should be "ZLIB" followed by + the uncompressed section size, 8 bytes in big-endian + order. */ + memcpy (contents, "ZLIB", 4); + bfd_putb64 (sec->size, contents + 4); + /* No way to keep the original alignment, just use 1 always. */ + bfd_set_section_alignment (sec, 0); + break; } - else - abort (); } /* @@ -2373,12 +2600,14 @@ bfd_update_compression_header (bfd *abfd, bfd_byte *contents, SYNOPSIS bfd_boolean bfd_check_compression_header (bfd *abfd, bfd_byte *contents, asection *sec, - bfd_size_type *uncompressed_size); + bfd_size_type *uncompressed_size, + unsigned int *uncompressed_alignment_power); DESCRIPTION Check the compression header at CONTENTS of SEC in ABFD and - store the uncompressed size in UNCOMPRESSED_SIZE if the - compression header is valid. + store the uncompressed size in UNCOMPRESSED_SIZE and the + uncompressed data alignment in UNCOMPRESSED_ALIGNMENT_POWER + if the compression header is valid. RETURNS Return TRUE if the compression header is valid. @@ -2387,7 +2616,8 @@ RETURNS bfd_boolean bfd_check_compression_header (bfd *abfd, bfd_byte *contents, asection *sec, - bfd_size_type *uncompressed_size) + bfd_size_type *uncompressed_size, + unsigned int *uncompressed_alignment_power) { if (bfd_get_flavour (abfd) == bfd_target_elf_flavour && (elf_section_flags (sec) & SHF_COMPRESSED) != 0) @@ -2409,9 +2639,10 @@ bfd_check_compression_header (bfd *abfd, bfd_byte *contents, chdr.ch_addralign = bfd_get_64 (abfd, &echdr->ch_addralign); } if (chdr.ch_type == ELFCOMPRESS_ZLIB - && chdr.ch_addralign == 1U << sec->alignment_power) + && chdr.ch_addralign == (chdr.ch_addralign & -chdr.ch_addralign)) { *uncompressed_size = chdr.ch_size; + *uncompressed_alignment_power = bfd_log2 (chdr.ch_addralign); return TRUE; } } @@ -2474,10 +2705,6 @@ bfd_convert_section_size (bfd *ibfd, sec_ptr isec, bfd *obfd, { bfd_size_type hdr_size; - /* Do nothing if input file will be decompressed. */ - if ((ibfd->flags & BFD_DECOMPRESS)) - return size; - /* Do nothing if either input or output aren't ELF. */ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour || bfd_get_flavour (obfd) != bfd_target_elf_flavour) @@ -2488,6 +2715,14 @@ bfd_convert_section_size (bfd *ibfd, sec_ptr isec, bfd *obfd, == get_elf_backend_data (obfd)->s->elfclass) return size; + /* Convert GNU property size. */ + if (CONST_STRNEQ (isec->name, NOTE_GNU_PROPERTY_SECTION_NAME)) + return _bfd_elf_convert_gnu_property_size (ibfd, obfd); + + /* Do nothing if input file will be decompressed. */ + if ((ibfd->flags & BFD_DECOMPRESS)) + return size; + /* Do nothing if the input section isn't a SHF_COMPRESSED section. */ hdr_size = bfd_get_compression_header_size (ibfd, isec); if (hdr_size == 0) @@ -2528,25 +2763,36 @@ bfd_convert_section_contents (bfd *ibfd, sec_ptr isec, bfd *obfd, Elf_Internal_Chdr chdr; bfd_boolean use_memmove; - /* Do nothing if input file will be decompressed. */ - if ((ibfd->flags & BFD_DECOMPRESS)) - return TRUE; - /* Do nothing if either input or output aren't ELF. */ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour || bfd_get_flavour (obfd) != bfd_target_elf_flavour) return TRUE; - /* Do nothing if ELF classes of input and output are the same. */ + /* Do nothing if ELF classes of input and output are the same. */ if (get_elf_backend_data (ibfd)->s->elfclass == get_elf_backend_data (obfd)->s->elfclass) return TRUE; - /* Do nothing if the input section isn't a SHF_COMPRESSED section. */ + /* Convert GNU properties. */ + if (CONST_STRNEQ (isec->name, NOTE_GNU_PROPERTY_SECTION_NAME)) + return _bfd_elf_convert_gnu_properties (ibfd, isec, obfd, ptr, + ptr_size); + + /* Do nothing if input file will be decompressed. */ + if ((ibfd->flags & BFD_DECOMPRESS)) + return TRUE; + + /* Do nothing if the input section isn't a SHF_COMPRESSED section. */ ihdr_size = bfd_get_compression_header_size (ibfd, isec); if (ihdr_size == 0) return TRUE; + /* PR 25221. Check for corrupt input sections. */ + if (ihdr_size > bfd_get_section_limit (ibfd, isec)) + /* FIXME: Issue a warning about a corrupt + compression header size field ? */ + return FALSE; + contents = *ptr; /* Convert the contents of the input SHF_COMPRESSED section to @@ -2563,6 +2809,12 @@ bfd_convert_section_contents (bfd *ibfd, sec_ptr isec, bfd *obfd, use_memmove = FALSE; } + else if (ihdr_size != sizeof (Elf64_External_Chdr)) + { + /* FIXME: Issue a warning about a corrupt + compression header size field ? */ + return FALSE; + } else { Elf64_External_Chdr *echdr = (Elf64_External_Chdr *) contents; @@ -2574,7 +2826,7 @@ bfd_convert_section_contents (bfd *ibfd, sec_ptr isec, bfd *obfd, use_memmove = TRUE; } - size = bfd_get_section_size (isec) - ihdr_size + ohdr_size; + size = bfd_section_size (isec) - ihdr_size + ohdr_size; if (!use_memmove) { contents = (bfd_byte *) bfd_malloc (size);