x86: Add i386 PE big-object support
The 64-bit version of binutils got support for the PE COFF BIG OBJ format a couple of years ago. The BIG OBJ format is a slightly different COFF format which extends the size of the number of section field in the header from a uint16_t to a uint32_t and so greatly increases the number of sections allowed. However the 32-bit version of bfd never got support for this. The GHC Haskell compiler generates a great deal of symbols due to it's use of -ffunction-sections and -fdata-sections. This meant that we could not build the 32-bit version of the GHC Compiler for many releases now as binutils didn't have this support. This patch adds the support to the 32-bit port of binutils as well and also does come cleanup in the code. bfd/ChangeLog: * coff-i386.c (COFF_WITH_PE_BIGOBJ): New. * coff-x86_64.c (COFF_WITH_PE_BIGOBJ): New. * config.bfd (targ_selvecs): Rename x86_64_pe_be_vec to x86_64_pe_big_vec as it not a big-endian format. (vec i386_pe_big_vec): New. * configure.ac: Likewise. * targets.c: Likewise. * configure: Regenerate. * pe-i386.c (TARGET_SYM_BIG, TARGET_NAME_BIG, COFF_WITH_PE_BIGOBJ): New. * pe-x86_64.c (TARGET_SYM_BIG, TARGET_NAME_BIG): New. (x86_64_pe_be_vec): Moved. gas/ChangeLog: * NEWS: Add news entry for big-obj. * config/tc-i386.c (i386_target_format): Support new format. * doc/c-i386.texi: Add i386 support. * testsuite/gas/pe/big-obj.d: Rename test to not be x64 specific. * testsuite/gas/pe/pe.exp (big-obj): Make test run on i386 as well. ld/ChangeLog: * pe-dll.c (pe_detail_list): Add pe-bigobj-i386.
This commit is contained in:
Tamar Christina
parent
1eb3991427
commit
251dae9107
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@ -1,3 +1,19 @@
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2020-04-27 Tamar Christina <tamar.christina@arm.com>
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* coff-i386.c (COFF_WITH_PE_BIGOBJ): New.
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* coff-x86_64.c (COFF_WITH_PE_BIGOBJ): New.
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* config.bfd (targ_selvecs): Rename x86_64_pe_be_vec
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to x86_64_pe_big_vec as it not a big-endian format.
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(vec i386_pe_big_vec): New.
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* configure.ac: Likewise.
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* targets.c: Likewise.
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* configure: Regenerate.
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* pe-i386.c (TARGET_SYM_BIG, TARGET_NAME_BIG,
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COFF_WITH_PE_BIGOBJ): New.
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* pe-x86_64.c (TARGET_SYM_BIG, TARGET_NAME_BIG):
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New.
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(x86_64_pe_be_vec): Moved.
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2020-04-23 Anton Kolesov <anton.kolesov@synopsys.com>
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* elf-bfd.h (elfcore_write_arc_v2): Add prototype.
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@ -701,3 +701,75 @@ const bfd_target
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COFF_SWAP_TABLE
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};
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#ifdef COFF_WITH_PE_BIGOBJ
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const bfd_target
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TARGET_SYM_BIG =
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{
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TARGET_NAME_BIG,
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bfd_target_coff_flavour,
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BFD_ENDIAN_LITTLE, /* data byte order is little */
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BFD_ENDIAN_LITTLE, /* header byte order is little */
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(HAS_RELOC | EXEC_P | /* object flags */
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HAS_LINENO | HAS_DEBUG |
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HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS ),
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
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#ifdef COFF_WITH_PE
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| SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING
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#endif
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| SEC_CODE | SEC_DATA | SEC_EXCLUDE ),
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#ifdef TARGET_UNDERSCORE
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TARGET_UNDERSCORE, /* leading underscore */
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#else
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0, /* leading underscore */
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#endif
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'/', /* ar_pad_char */
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15, /* ar_max_namelen */
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0, /* match priority. */
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bfd_getl64, bfd_getl_signed_64, bfd_putl64,
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bfd_getl32, bfd_getl_signed_32, bfd_putl32,
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bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
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bfd_getl64, bfd_getl_signed_64, bfd_putl64,
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bfd_getl32, bfd_getl_signed_32, bfd_putl32,
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bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
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/* Note that we allow an object file to be treated as a core file as well. */
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{ /* bfd_check_format */
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_bfd_dummy_target,
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COFF_CHECK_FORMAT,
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bfd_generic_archive_p,
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COFF_CHECK_FORMAT
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},
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{ /* bfd_set_format */
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_bfd_bool_bfd_false_error,
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coff_mkobject,
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_bfd_generic_mkarchive,
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_bfd_bool_bfd_false_error
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},
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{ /* bfd_write_contents */
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_bfd_bool_bfd_false_error,
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COFF_WRITE_CONTENTS,
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_bfd_write_archive_contents,
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_bfd_bool_bfd_false_error
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},
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BFD_JUMP_TABLE_GENERIC (coff),
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BFD_JUMP_TABLE_COPY (coff),
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BFD_JUMP_TABLE_CORE (_bfd_nocore),
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BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
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BFD_JUMP_TABLE_SYMBOLS (coff),
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BFD_JUMP_TABLE_RELOCS (coff),
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BFD_JUMP_TABLE_WRITE (coff),
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BFD_JUMP_TABLE_LINK (coff),
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BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
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NULL,
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&bigobj_swap_table
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};
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#endif
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@ -824,3 +824,76 @@ const bfd_target
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COFF_SWAP_TABLE
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};
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/* Entry for big object files. */
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#ifdef COFF_WITH_PE_BIGOBJ
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const bfd_target
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TARGET_SYM_BIG =
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{
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TARGET_NAME_BIG,
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bfd_target_coff_flavour,
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BFD_ENDIAN_LITTLE, /* Data byte order is little. */
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BFD_ENDIAN_LITTLE, /* Header byte order is little. */
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(HAS_RELOC | EXEC_P /* Object flags. */
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| HAS_LINENO | HAS_DEBUG
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| HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* Section flags. */
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#if defined(COFF_WITH_PE)
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| SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING
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#endif
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| SEC_CODE | SEC_DATA | SEC_EXCLUDE ),
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#ifdef TARGET_UNDERSCORE
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TARGET_UNDERSCORE, /* Leading underscore. */
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#else
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0, /* Leading underscore. */
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#endif
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'/', /* Ar_pad_char. */
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15, /* Ar_max_namelen. */
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0, /* match priority. */
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bfd_getl64, bfd_getl_signed_64, bfd_putl64,
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bfd_getl32, bfd_getl_signed_32, bfd_putl32,
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bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Data. */
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bfd_getl64, bfd_getl_signed_64, bfd_putl64,
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bfd_getl32, bfd_getl_signed_32, bfd_putl32,
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bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Hdrs. */
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/* Note that we allow an object file to be treated as a core file as well. */
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{ /* bfd_check_format. */
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_bfd_dummy_target,
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amd64coff_object_p,
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bfd_generic_archive_p,
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amd64coff_object_p
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},
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{ /* bfd_set_format. */
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_bfd_bool_bfd_false_error,
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coff_mkobject,
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_bfd_generic_mkarchive,
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_bfd_bool_bfd_false_error
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},
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{ /* bfd_write_contents. */
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_bfd_bool_bfd_false_error,
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coff_write_object_contents,
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_bfd_write_archive_contents,
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_bfd_bool_bfd_false_error
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},
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BFD_JUMP_TABLE_GENERIC (coff),
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BFD_JUMP_TABLE_COPY (coff),
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BFD_JUMP_TABLE_CORE (_bfd_nocore),
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BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
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BFD_JUMP_TABLE_SYMBOLS (coff),
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BFD_JUMP_TABLE_RELOCS (coff),
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BFD_JUMP_TABLE_WRITE (coff),
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BFD_JUMP_TABLE_LINK (coff),
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BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
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NULL,
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&bigobj_swap_table
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};
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#endif
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@ -701,7 +701,7 @@ case "${targ}" in
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;;
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x86_64-*-mingw* | x86_64-*-pe | x86_64-*-pep | x86_64-*-cygwin)
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targ_defvec=x86_64_pe_vec
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targ_selvecs="x86_64_pe_vec x86_64_pei_vec x86_64_pe_be_vec x86_64_elf64_vec l1om_elf64_vec k1om_elf64_vec i386_pe_vec i386_pei_vec i386_elf32_vec iamcu_elf32_vec"
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targ_selvecs="x86_64_pe_vec x86_64_pei_vec x86_64_pe_big_vec x86_64_elf64_vec l1om_elf64_vec k1om_elf64_vec i386_pe_vec i386_pei_vec i386_elf32_vec iamcu_elf32_vec"
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want64=true
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targ_underscore=no
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;;
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@ -751,7 +751,7 @@ case "${targ}" in
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;;
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i[3-7]86-*-mingw32* | i[3-7]86-*-cygwin* | i[3-7]86-*-winnt | i[3-7]86-*-pe)
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targ_defvec=i386_pe_vec
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targ_selvecs="i386_pe_vec i386_pei_vec i386_elf32_vec iamcu_elf32_vec"
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targ_selvecs="i386_pe_vec i386_pe_big_vec i386_pei_vec i386_elf32_vec iamcu_elf32_vec"
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targ_underscore=yes
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;;
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i[3-7]86-*-vxworks*)
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@ -14764,6 +14764,7 @@ do
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i386_mach_o_vec) tb="$tb mach-o-i386.lo" ;;
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i386_msdos_vec) tb="$tb i386msdos.lo" ;;
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i386_pe_vec) tb="$tb pe-i386.lo peigen.lo $coff" ;;
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i386_pe_big_vec) tb="$tb pe-i386.lo peigen.lo $coff" ;;
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i386_pei_vec) tb="$tb pei-i386.lo peigen.lo $coff" ;;
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iamcu_elf32_vec) tb="$tb elf32-i386.lo $elfxx_x86 elf32.lo $elf" ;;
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ia64_elf32_be_vec) tb="$tb elf32-ia64.lo elfxx-ia64.lo elf32.lo $elf" ;;
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@ -14947,7 +14948,7 @@ do
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x86_64_elf64_sol2_vec) tb="$tb elf64-x86-64.lo $elfxx_x86 elf64.lo $elf"; target_size=64 ;;
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x86_64_mach_o_vec) tb="$tb mach-o-x86-64.lo" ;;
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x86_64_pe_vec) tb="$tb pe-x86_64.lo pex64igen.lo $coff"; target_size=64 ;;
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x86_64_pe_be_vec) tb="$tb pe-x86_64.lo pex64igen.lo $coff"; target_size=64 ;;
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x86_64_pe_big_vec) tb="$tb pe-x86_64.lo pex64igen.lo $coff"; target_size=64 ;;
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x86_64_pei_vec) tb="$tb pei-x86_64.lo pex64igen.lo $coff"; target_size=64 ;;
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xc16x_elf32_vec) tb="$tb elf32-xc16x.lo elf32.lo $elf" ;;
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xgate_elf32_vec) tb="$tb elf32-xgate.lo elf32.lo $elf" ;;
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@ -500,6 +500,7 @@ do
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i386_mach_o_vec) tb="$tb mach-o-i386.lo" ;;
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i386_msdos_vec) tb="$tb i386msdos.lo" ;;
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i386_pe_vec) tb="$tb pe-i386.lo peigen.lo $coff" ;;
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i386_pe_big_vec) tb="$tb pe-i386.lo peigen.lo $coff" ;;
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i386_pei_vec) tb="$tb pei-i386.lo peigen.lo $coff" ;;
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iamcu_elf32_vec) tb="$tb elf32-i386.lo $elfxx_x86 elf32.lo $elf" ;;
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ia64_elf32_be_vec) tb="$tb elf32-ia64.lo elfxx-ia64.lo elf32.lo $elf" ;;
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@ -683,7 +684,7 @@ do
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x86_64_elf64_sol2_vec) tb="$tb elf64-x86-64.lo $elfxx_x86 elf64.lo $elf"; target_size=64 ;;
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x86_64_mach_o_vec) tb="$tb mach-o-x86-64.lo" ;;
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x86_64_pe_vec) tb="$tb pe-x86_64.lo pex64igen.lo $coff"; target_size=64 ;;
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x86_64_pe_be_vec) tb="$tb pe-x86_64.lo pex64igen.lo $coff"; target_size=64 ;;
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x86_64_pe_big_vec) tb="$tb pe-x86_64.lo pex64igen.lo $coff"; target_size=64 ;;
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x86_64_pei_vec) tb="$tb pei-x86_64.lo pex64igen.lo $coff"; target_size=64 ;;
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xc16x_elf32_vec) tb="$tb elf32-xc16x.lo elf32.lo $elf" ;;
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xgate_elf32_vec) tb="$tb elf32-xgate.lo elf32.lo $elf" ;;
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@ -23,7 +23,10 @@
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#define TARGET_SYM i386_pe_vec
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#define TARGET_NAME "pe-i386"
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#define TARGET_SYM_BIG i386_pe_big_vec
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#define TARGET_NAME_BIG "pe-bigobj-i386"
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#define COFF_WITH_PE
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#define COFF_WITH_PE_BIGOBJ
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#define PCRELOFFSET TRUE
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#define TARGET_UNDERSCORE '_'
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#define COFF_LONG_SECTION_NAMES
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@ -25,6 +25,8 @@
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#define TARGET_SYM x86_64_pe_vec
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#define TARGET_NAME "pe-x86-64"
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#define TARGET_SYM_BIG x86_64_pe_big_vec
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#define TARGET_NAME_BIG "pe-bigobj-x86-64"
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#define COFF_WITH_PE
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#define COFF_WITH_pex64
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#define COFF_WITH_PE_BIGOBJ
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@ -66,67 +68,3 @@ extern bfd_boolean pex64_bfd_print_pdata (bfd *, void *);
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#include "coff-x86_64.c"
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/* Entry for big object files. */
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const bfd_target
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x86_64_pe_be_vec =
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{
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"pe-bigobj-x86-64", /* Name. */
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bfd_target_coff_flavour,
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BFD_ENDIAN_LITTLE, /* Data byte order is little. */
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BFD_ENDIAN_LITTLE, /* Header byte order is little. */
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(HAS_RELOC | EXEC_P /* Object flags. */
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| HAS_LINENO | HAS_DEBUG
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| HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* Section flags. */
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| SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING
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| SEC_CODE | SEC_DATA | SEC_EXCLUDE ),
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TARGET_UNDERSCORE, /* Leading underscore. */
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'/', /* Ar_pad_char. */
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15, /* Ar_max_namelen. */
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0, /* match priority. */
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bfd_getl64, bfd_getl_signed_64, bfd_putl64,
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bfd_getl32, bfd_getl_signed_32, bfd_putl32,
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bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Data. */
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bfd_getl64, bfd_getl_signed_64, bfd_putl64,
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bfd_getl32, bfd_getl_signed_32, bfd_putl32,
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bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Hdrs. */
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/* Note that we allow an object file to be treated as a core file as well. */
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{ /* bfd_check_format. */
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_bfd_dummy_target,
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amd64coff_object_p,
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bfd_generic_archive_p,
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amd64coff_object_p
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},
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{ /* bfd_set_format. */
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_bfd_bool_bfd_false_error,
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coff_mkobject,
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_bfd_generic_mkarchive,
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_bfd_bool_bfd_false_error
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},
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{ /* bfd_write_contents. */
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_bfd_bool_bfd_false_error,
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coff_write_object_contents,
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_bfd_write_archive_contents,
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_bfd_bool_bfd_false_error
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},
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BFD_JUMP_TABLE_GENERIC (coff),
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BFD_JUMP_TABLE_COPY (coff),
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BFD_JUMP_TABLE_CORE (_bfd_nocore),
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BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
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BFD_JUMP_TABLE_SYMBOLS (coff),
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BFD_JUMP_TABLE_RELOCS (coff),
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BFD_JUMP_TABLE_WRITE (coff),
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BFD_JUMP_TABLE_LINK (coff),
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BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
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NULL,
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&bigobj_swap_table
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};
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@ -742,6 +742,7 @@ extern const bfd_target i386_elf32_vxworks_vec;
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extern const bfd_target i386_mach_o_vec;
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extern const bfd_target i386_msdos_vec;
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extern const bfd_target i386_pe_vec;
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extern const bfd_target i386_pe_big_vec;
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extern const bfd_target i386_pei_vec;
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extern const bfd_target iamcu_elf32_vec;
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extern const bfd_target ia64_elf32_be_vec;
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@ -926,7 +927,7 @@ extern const bfd_target x86_64_elf64_nacl_vec;
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extern const bfd_target x86_64_elf64_sol2_vec;
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extern const bfd_target x86_64_mach_o_vec;
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extern const bfd_target x86_64_pe_vec;
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extern const bfd_target x86_64_pe_be_vec;
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extern const bfd_target x86_64_pe_big_vec;
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extern const bfd_target x86_64_pei_vec;
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extern const bfd_target xc16x_elf32_vec;
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extern const bfd_target xgate_elf32_vec;
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@ -1091,6 +1092,7 @@ static const bfd_target * const _bfd_target_vector[] =
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&i386_mach_o_vec,
|
||||
&i386_msdos_vec,
|
||||
&i386_pe_vec,
|
||||
&i386_pe_big_vec,
|
||||
&i386_pei_vec,
|
||||
|
||||
&iamcu_elf32_vec,
|
||||
|
|
@ -1343,7 +1345,7 @@ static const bfd_target * const _bfd_target_vector[] =
|
|||
&x86_64_elf64_sol2_vec,
|
||||
&x86_64_mach_o_vec,
|
||||
&x86_64_pe_vec,
|
||||
&x86_64_pe_be_vec,
|
||||
&x86_64_pe_big_vec,
|
||||
&x86_64_pei_vec,
|
||||
#endif
|
||||
|
||||
|
|
|
|||
|
|
@ -1,3 +1,11 @@
|
|||
2020-04-27 Tamar Christina <tamar.christina@arm.com>
|
||||
|
||||
* NEWS: Add news entry for big-obj.
|
||||
* config/tc-i386.c (i386_target_format): Support new format.
|
||||
* doc/c-i386.texi: Add i386 support.
|
||||
* testsuite/gas/pe/big-obj.d: Rename test to not be x64 specific.
|
||||
* testsuite/gas/pe/pe.exp (big-obj): Make test run on i386 as well.
|
||||
|
||||
2020-04-27 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
PR 25878
|
||||
|
|
|
|||
2
gas/NEWS
2
gas/NEWS
|
|
@ -13,6 +13,8 @@
|
|||
(if such output is being generated). Added the ability to generate
|
||||
version 5 .debug_line sections.
|
||||
|
||||
* Add -mbig-obj support to i386 MingW targets.
|
||||
|
||||
Changes in 2.34:
|
||||
|
||||
* Add -malign-branch-boundary=NUM, -malign-branch=TYPE[+TYPE...],
|
||||
|
|
|
|||
|
|
@ -13506,7 +13506,7 @@ i386_target_format (void)
|
|||
if (flag_code == CODE_64BIT)
|
||||
return use_big_obj ? "pe-bigobj-x86-64" : "pe-x86-64";
|
||||
else
|
||||
return "pe-i386";
|
||||
return use_big_obj ? "pe-bigobj-i386" : "pe-i386";
|
||||
# elif defined (TE_GO32)
|
||||
case bfd_target_coff_flavour:
|
||||
return "coff-go32";
|
||||
|
|
|
|||
|
|
@ -390,9 +390,10 @@ with default visibility can be preempted. The resulting code is
|
|||
slightly bigger. This option only affects the handling of branch
|
||||
instructions.
|
||||
|
||||
@cindex @samp{-mbig-obj} option, i386
|
||||
@cindex @samp{-mbig-obj} option, x86-64
|
||||
@item -mbig-obj
|
||||
On x86-64 PE/COFF target this option forces the use of big object file
|
||||
On PE/COFF target this option forces the use of big object file
|
||||
format, which allows more than 32768 sections.
|
||||
|
||||
@cindex @samp{-momit-lock-prefix=} option, i386
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
#as: -mbig-obj
|
||||
#objdump: -h
|
||||
#name: PE x64 big obj
|
||||
#name: PE big obj
|
||||
|
||||
.*: *file format pe-bigobj-.*
|
||||
|
||||
|
|
|
|||
|
|
@ -55,7 +55,6 @@ if ([istarget "x86_64-*-mingw*"]) then {
|
|||
# Big obj
|
||||
|
||||
|
||||
if ([istarget "x86_64-*-mingw*"]) then {
|
||||
# Currently only supported on x86_64
|
||||
if ([istarget "*-*-mingw*"]) then {
|
||||
run_dump_test "big-obj"
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,3 +1,7 @@
|
|||
2020-04-27 Tamar Christina <tamar.christina@arm.com>
|
||||
|
||||
* pe-dll.c (pe_detail_list): Add pe-bigobj-i386.
|
||||
|
||||
2020-04-22 Max Filippov <jcmvbkbc@gmail.com>
|
||||
|
||||
PR ld/25861
|
||||
|
|
|
|||
10
ld/pe-dll.c
10
ld/pe-dll.c
|
|
@ -280,6 +280,16 @@ static pe_details_type pe_detail_list[] =
|
|||
FALSE,
|
||||
autofilter_symbollist_i386
|
||||
},
|
||||
#else
|
||||
{
|
||||
"pei-i386",
|
||||
"pe-bigobj-i386",
|
||||
7 /* R_IMAGEBASE */,
|
||||
PE_ARCH_i386,
|
||||
bfd_arch_i386,
|
||||
TRUE,
|
||||
autofilter_symbollist_i386
|
||||
},
|
||||
#endif
|
||||
{
|
||||
"pei-shl",
|
||||
|
|
|
|||
Loading…
Reference in New Issue