From 242301311a4face0f4c0b3d3673606d17adc05c5 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Mon, 15 Feb 2021 18:53:18 -0800 Subject: [PATCH v5] elf/x86-64: Subtract __ImageBase for R_AMD64_IMAGEBASE When linking Windows x86-64 relocatable object files to generate x86-64 ELF executable, we need to subtract __ImageBase, aka __executable_start, for R_AMD64_IMAGEBASE relocation: 1. Add link_info to struct output_elf_obj_tdata to store linker info and _bfd_get_link_info() to retrieve it. 2. Add ldelf_set_output_arch to set up link_info. 3. Add pex64_link_add_symbols to create an indirect reference to __executable_start for __ImageBase to support R_AMD64_IMAGEBASE relocation when adding symbols from Windows x86-64 relocatable object files to generate x86-64 ELF executable. 4. Also subtract __ImageBase for R_AMD64_IMAGEBASE when generating x86-64 ELF executable. bfd/ PR ld/27425 PR ld/27432 * bfd.c (_bfd_get_link_info): New function. * elf-bfd.h (output_elf_obj_tdata): Add link_info. (elf_link_info): New. * libbfd-in.h (_bfd_get_link_info): New prototype. * coff-x86_64.c (coff_amd64_reloc): Also subtract __ImageBase for R_AMD64_IMAGEBASE when generating x86-64 ELF executable. * pe-x86_64.c (pex64_link_add_symbols): New function. (coff_bfd_link_add_symbols): New macro. * libbfd.h: Regenerated. ld/ PR ld/27425 PR ld/27432 * ldelf.c (ldelf_set_output_arch): New function. * ldelf.h (ldelf_set_output_arch): New prototype. * emultempl/elf.em (LDEMUL_SET_OUTPUT_ARCH): Default to ldelf_set_output_arch. * ld-x86-64/pe-x86-64-1.od: Expect __executable_start. * testsuite/ld-x86-64/pe-x86-64-2.od: Likewise. * testsuite/ld-x86-64/pe-x86-64-3.od: Likewise. * testsuite/ld-x86-64/pe-x86-64-4.od: Likewise. * testsuite/ld-x86-64/pe-x86-64-5.od: Likewise. * testsuite/ld-x86-64/pe-x86-64-5.rd: Likewise. * testsuite/ld-x86-64/pe-x86-64-6.obj.bz2: New file. * testsuite/ld-x86-64/pe-x86-64-6.od: Likewise. * testsuite/ld-x86-64/pe-x86-64.exp: Run ld/27425 test. --- bfd/bfd.c | 11 +++ bfd/coff-x86_64.c | 36 ++++++-- bfd/elf-bfd.h | 4 + bfd/libbfd-in.h | 2 + bfd/libbfd.h | 2 + bfd/pe-x86_64.c | 34 +++++++- ld/emultempl/elf.em | 2 +- ld/ldelf.c | 8 ++ ld/ldelf.h | 1 + ld/testsuite/ld-x86-64/pe-x86-64-1.od | 1 + ld/testsuite/ld-x86-64/pe-x86-64-2.od | 1 + ld/testsuite/ld-x86-64/pe-x86-64-3.od | 1 + ld/testsuite/ld-x86-64/pe-x86-64-4.od | 1 + ld/testsuite/ld-x86-64/pe-x86-64-5.od | 1 + ld/testsuite/ld-x86-64/pe-x86-64-5.rd | 3 +- ld/testsuite/ld-x86-64/pe-x86-64-6.obj.bz2 | Bin 0 -> 1366 bytes ld/testsuite/ld-x86-64/pe-x86-64-6.od | 91 +++++++++++++++++++++ ld/testsuite/ld-x86-64/pe-x86-64.exp | 9 ++ 18 files changed, 200 insertions(+), 8 deletions(-) create mode 100644 ld/testsuite/ld-x86-64/pe-x86-64-6.obj.bz2 create mode 100644 ld/testsuite/ld-x86-64/pe-x86-64-6.od diff --git a/bfd/bfd.c b/bfd/bfd.c index f1944338838..2cf7b47bca1 100644 --- a/bfd/bfd.c +++ b/bfd/bfd.c @@ -2808,3 +2808,14 @@ bfd_convert_section_contents (bfd *ibfd, sec_ptr isec, bfd *obfd, *ptr_size = size; return TRUE; } + +/* Get the optional linker information. */ + +struct bfd_link_info * +_bfd_get_link_info (bfd *abfd) +{ + if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) + return NULL; + + return elf_link_info (abfd); +} diff --git a/bfd/coff-x86_64.c b/bfd/coff-x86_64.c index 5b09023f3c2..0b98b434422 100644 --- a/bfd/coff-x86_64.c +++ b/bfd/coff-x86_64.c @@ -131,11 +131,37 @@ coff_amd64_reloc (bfd *abfd, diff -= reloc_entry->howto->type - R_AMD64_PCRLONG; } - /* FIXME: How should this case be handled? */ - if (reloc_entry->howto->type == R_AMD64_IMAGEBASE - && output_bfd != NULL - && bfd_get_flavour (output_bfd) == bfd_target_coff_flavour) - diff -= pe_data (output_bfd)->pe_opthdr.ImageBase; + if (reloc_entry->howto->type == R_AMD64_IMAGEBASE) + { + bfd *obfd = input_section->output_section->owner; + struct bfd_link_info *link_info; + struct bfd_link_hash_entry *h; + switch (bfd_get_flavour (obfd)) + { + case bfd_target_coff_flavour: + diff -= pe_data (obfd)->pe_opthdr.ImageBase; + break; + case bfd_target_elf_flavour: + /* Subtract __ImageBase. */ + link_info = _bfd_get_link_info (obfd); + if (link_info == NULL) + abort (); + h = bfd_link_hash_lookup (link_info->hash, "__ImageBase", + FALSE, FALSE, FALSE); + if (h == NULL) + abort (); + while (h->type == bfd_link_hash_indirect) + h = h->u.i.link; + /* ELF symbols in relocatable files are section relative, + but in nonrelocatable files they are virtual addresses. */ + diff -= (h->u.def.value + + h->u.def.section->output_offset + + h->u.def.section->output_section->vma); + break; + default: + break; + } + } #endif #define DOIT(x) \ diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index c40030bdca6..04785a814e8 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -1887,6 +1887,9 @@ struct output_elf_obj_tdata /* Used when laying out sections. */ file_ptr next_file_pos; + /* Linker information. */ + struct bfd_link_info *link_info; + int num_section_syms; unsigned int shstrtab_section, strtab_section; @@ -2064,6 +2067,7 @@ struct elf_obj_tdata #define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr) #define elf_numsections(bfd) (elf_tdata(bfd) -> num_elf_sections) #define elf_seg_map(bfd) (elf_tdata(bfd) -> o->seg_map) +#define elf_link_info(bfd) (elf_tdata(bfd) -> o->link_info) #define elf_next_file_pos(bfd) (elf_tdata(bfd) -> o->next_file_pos) #define elf_eh_frame_hdr(bfd) (elf_tdata(bfd) -> o->eh_frame_hdr) #define elf_stack_flags(bfd) (elf_tdata(bfd) -> o->stack_flags) diff --git a/bfd/libbfd-in.h b/bfd/libbfd-in.h index 2dc20ec1b19..62b1cee0af0 100644 --- a/bfd/libbfd-in.h +++ b/bfd/libbfd-in.h @@ -899,6 +899,8 @@ extern bfd_vma _bfd_safe_read_leb128 extern bfd_byte * _bfd_write_unsigned_leb128 (bfd_byte *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN; +extern struct bfd_link_info *_bfd_get_link_info (bfd *); + #if GCC_VERSION >= 7000 #define _bfd_mul_overflow(a, b, res) __builtin_mul_overflow (a, b, res) #else diff --git a/bfd/libbfd.h b/bfd/libbfd.h index 7271a2ad5a1..3a481ea468f 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -904,6 +904,8 @@ extern bfd_vma _bfd_safe_read_leb128 extern bfd_byte * _bfd_write_unsigned_leb128 (bfd_byte *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN; +extern struct bfd_link_info *_bfd_get_link_info (bfd *); + #if GCC_VERSION >= 7000 #define _bfd_mul_overflow(a, b, res) __builtin_mul_overflow (a, b, res) #else diff --git a/bfd/pe-x86_64.c b/bfd/pe-x86_64.c index 5b734442e3b..e2fc471cd34 100644 --- a/bfd/pe-x86_64.c +++ b/bfd/pe-x86_64.c @@ -22,6 +22,9 @@ #include "sysdep.h" #include "bfd.h" +#include "coff/internal.h" +#include "libcoff.h" +#include "elf-bfd.h" #define TARGET_SYM x86_64_pe_vec #define TARGET_NAME "pe-x86-64" @@ -66,5 +69,34 @@ extern bfd_boolean pex64_bfd_print_pdata (bfd *, void *); #define bfd_pe_print_pdata pex64_bfd_print_pdata -#include "coff-x86_64.c" +static bfd_boolean +pex64_link_add_symbols (bfd *abfd, struct bfd_link_info *info) +{ + if (bfd_link_pde (info) + && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour) + { + /* NB: When linking Windows x86-64 relocatable object files to + generate ELF executable, create an indirect reference to + __executable_start for __ImageBase to support R_AMD64_IMAGEBASE + relocation which is relative to __ImageBase. */ + struct elf_link_hash_table *htab = elf_hash_table (info); + struct elf_link_hash_entry *h, *hi; + hi = elf_link_hash_lookup (htab, "__ImageBase", TRUE, FALSE, + FALSE); + if (hi->root.type == bfd_link_hash_new + || hi->type == bfd_link_hash_undefined + || hi->type == bfd_link_hash_undefweak) + { + h = elf_link_hash_lookup (htab, "__executable_start", + TRUE, FALSE, TRUE); + hi->root.type = bfd_link_hash_indirect; + hi->root.u.i.link = (struct bfd_link_hash_entry *) h; + } + } + + return _bfd_coff_link_add_symbols (abfd, info); +} +#define coff_bfd_link_add_symbols pex64_link_add_symbols + +#include "coff-x86_64.c" diff --git a/ld/emultempl/elf.em b/ld/emultempl/elf.em index cea89e57e25..9e7c3d86a9e 100644 --- a/ld/emultempl/elf.em +++ b/ld/emultempl/elf.em @@ -919,7 +919,7 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = ${LDEMUL_AFTER_CHECK_RELOCS-after_check_relocs_default}, ${LDEMUL_BEFORE_PLACE_ORPHANS-ldelf_before_place_orphans}, ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation}, - ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, + ${LDEMUL_SET_OUTPUT_ARCH-ldelf_set_output_arch}, ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, diff --git a/ld/ldelf.c b/ld/ldelf.c index 049992544a2..a733131e51c 100644 --- a/ld/ldelf.c +++ b/ld/ldelf.c @@ -2206,3 +2206,11 @@ ldelf_before_place_orphans (void) } } } + +void +ldelf_set_output_arch (void) +{ + set_output_arch_default (); + if (link_info.output_bfd->xvec->flavour == bfd_target_elf_flavour) + elf_link_info (link_info.output_bfd) = &link_info; +} diff --git a/ld/ldelf.h b/ld/ldelf.h index 629e7c1543a..aaf264ae239 100644 --- a/ld/ldelf.h +++ b/ld/ldelf.h @@ -31,3 +31,4 @@ extern bfd_boolean ldelf_open_dynamic_archive extern lang_output_section_statement_type *ldelf_place_orphan (asection *, const char *, int); extern void ldelf_before_place_orphans (void); +extern void ldelf_set_output_arch (void); diff --git a/ld/testsuite/ld-x86-64/pe-x86-64-1.od b/ld/testsuite/ld-x86-64/pe-x86-64-1.od index 4966d55fb5a..227875f82dc 100644 --- a/ld/testsuite/ld-x86-64/pe-x86-64-1.od +++ b/ld/testsuite/ld-x86-64/pe-x86-64-1.od @@ -2,6 +2,7 @@ .*: +file format .* SYMBOL TABLE: +0+400000 g .text\$mn 0000000000000000 __executable_start 0+401000 g .text\$mn 0000000000000000 getaddr1 0+401020 g .text\$mn 0000000000000000 begin 0+403014 g .bss 0000000000000000 __bss_start diff --git a/ld/testsuite/ld-x86-64/pe-x86-64-2.od b/ld/testsuite/ld-x86-64/pe-x86-64-2.od index 4966d55fb5a..227875f82dc 100644 --- a/ld/testsuite/ld-x86-64/pe-x86-64-2.od +++ b/ld/testsuite/ld-x86-64/pe-x86-64-2.od @@ -2,6 +2,7 @@ .*: +file format .* SYMBOL TABLE: +0+400000 g .text\$mn 0000000000000000 __executable_start 0+401000 g .text\$mn 0000000000000000 getaddr1 0+401020 g .text\$mn 0000000000000000 begin 0+403014 g .bss 0000000000000000 __bss_start diff --git a/ld/testsuite/ld-x86-64/pe-x86-64-3.od b/ld/testsuite/ld-x86-64/pe-x86-64-3.od index 4966d55fb5a..227875f82dc 100644 --- a/ld/testsuite/ld-x86-64/pe-x86-64-3.od +++ b/ld/testsuite/ld-x86-64/pe-x86-64-3.od @@ -2,6 +2,7 @@ .*: +file format .* SYMBOL TABLE: +0+400000 g .text\$mn 0000000000000000 __executable_start 0+401000 g .text\$mn 0000000000000000 getaddr1 0+401020 g .text\$mn 0000000000000000 begin 0+403014 g .bss 0000000000000000 __bss_start diff --git a/ld/testsuite/ld-x86-64/pe-x86-64-4.od b/ld/testsuite/ld-x86-64/pe-x86-64-4.od index e0bde11d84e..320c6be5e14 100644 --- a/ld/testsuite/ld-x86-64/pe-x86-64-4.od +++ b/ld/testsuite/ld-x86-64/pe-x86-64-4.od @@ -2,6 +2,7 @@ .*: +file format .* SYMBOL TABLE: +0+400000 g .text\$mn 0000000000000000 __executable_start 0+403038 g .bss 0000000000000000 c 0+401000 g .text\$mn 0000000000000000 begin 0+403038 g .bss 0000000000000000 __bss_start diff --git a/ld/testsuite/ld-x86-64/pe-x86-64-5.od b/ld/testsuite/ld-x86-64/pe-x86-64-5.od index 8a4f4a633ac..6ef13abbc94 100644 --- a/ld/testsuite/ld-x86-64/pe-x86-64-5.od +++ b/ld/testsuite/ld-x86-64/pe-x86-64-5.od @@ -4,6 +4,7 @@ SYMBOL TABLE: 0+402014 g .bss 0000000000000000 non_initdummy 0+402010 g .data 0000000000000000 initdummy +0+400000 g .text\$mn 0000000000000000 __executable_start 0+401000 g .text\$mn 0000000000000000 begin 0+402012 g .bss 0000000000000000 __bss_start 0+402000 g .data 0000000000000000 Struct diff --git a/ld/testsuite/ld-x86-64/pe-x86-64-5.rd b/ld/testsuite/ld-x86-64/pe-x86-64-5.rd index 8370665f99f..237052805e9 100644 --- a/ld/testsuite/ld-x86-64/pe-x86-64-5.rd +++ b/ld/testsuite/ld-x86-64/pe-x86-64-5.rd @@ -1,9 +1,10 @@ -Symbol table '.symtab' contains 10 entries: +Symbol table '.symtab' contains 11 entries: Num: Value Size Type Bind Vis Ndx Name +[a-f0-9]+: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND +[a-f0-9]+: 0000000000402014 0 NOTYPE GLOBAL DEFAULT 3 non_initdummy +[a-f0-9]+: 0000000000402010 0 NOTYPE GLOBAL DEFAULT 2 initdummy + +[a-f0-9]+: 0000000000400000 0 NOTYPE GLOBAL DEFAULT 1 __executable_start +[a-f0-9]+: 0000000000401000 0 NOTYPE GLOBAL DEFAULT 1 begin +[a-f0-9]+: 0000000000402012 0 NOTYPE GLOBAL DEFAULT 3 __bss_start +[a-f0-9]+: 0000000000402000 0 NOTYPE GLOBAL DEFAULT 2 Struct diff --git a/ld/testsuite/ld-x86-64/pe-x86-64-6.obj.bz2 b/ld/testsuite/ld-x86-64/pe-x86-64-6.obj.bz2 new file mode 100644 index 0000000000000000000000000000000000000000..38255045d45ed918857b2c966400c13a13ea6c07 GIT binary patch literal 1366 zcmV-c1*!T%T4*^jL0KkKSr(o^9smO9fB*mf|Nh_a|NQ^||Nj5~-}TM^Q*@d9YgPW; zd+eHR_F&KhxOk{DUEM>1DTr#B8Vxi9QxnNB$qe;OMn*LZjWonG!KBke34qcKG#-Lu zO+n}oJfkP-n1+}m6BA7tp+8jd3aO!pXvlhuKmni)7)=4727@32A)%%dK*9h3GyobJ zF#(`ypa1~S&<2Qtn+c+6qtZ`M(F3218950002c z8UPw-&;$&OhMHssLqH6JBSwQEplP9@hychk8Z-t#7$DFx0MG!_Kn#r-BS2^XN+L#+ zMDk%qX+0wvnd*n6$Y=o5O#sjXO#o;B000^Q000000BC8T01Y)6t0Ij%1~1Zx-ljTP zv7~$gP4n@oNq~cfwyu(S%%**p^kz*r4rRAWRcTbfRNzb)2)m)XQMb&4JUVWwY*_%P z_N_!via~?|2}vgnKR75Sr_AXg#*K-lYBJ6&yOYkj3SvkC7BnqXI+`VjgE9yrmM|#Z zAcU!thFfPL@ogO(W&_wPR?O0!yz(SMNI$pgD>nP`qq5&di9Y(;GbrM+HPo z!i9>{yG<#;mMI1E_Jr`*O+8>~P!*e8kP;V5^pWooq=L*qp)SmVWvfu>f>_r&r(rc; zFlw0LN0dbVEA<6bekiD-s;40s%X>e{Bpb{0V*cpCy@Z%%2(;IT0ltH`?_5}nn| zIJ>G_Jer_3(hAJw3_-j#7s1%O?->CeCR~1-d~uAqlkd=kBse0+P!fP8Gf5HP-!7%i zY9#t2m+xTN{>23e(7a+I0;{Zo0pKlR8D<0+3~@0q!8UtF@$=vS%Ru|zVD9FpjySx} zt{H?(&9Uua;O36%A;_CC4P{I;g8Lc z_oIb1Th5wd#6DvSmSitld-B7DP!ulPV)v zjtH{yhbV)vqPiypj+2XeCuKWhP+%%5BxPTeR&+A6ME(Spj<8A+AT>of%9IL${b3$W zT;V{<37R=3O12yjn;D3J_1es%R~rCwc#07V>0~}6Ocbcd(xo^hbFZ_E5g`dK4J43; zL!(RF%z~VRcxJ6*mWojmVMt69!e|;&A4@D>YChtn2o?5O0qUo}T)OBf@?k*9{q-V& zj?~DI4x)@7n$%$cCX*@q$)0{8UXMIXTk}0dYOV~!Q%X-@vZSVa^tl(Bd6H=xt Y$~B;AV5AHi$*u8sBvXY60cqp`;GR@oQ~&?~ literal 0 HcmV?d00001 diff --git a/ld/testsuite/ld-x86-64/pe-x86-64-6.od b/ld/testsuite/ld-x86-64/pe-x86-64-6.od new file mode 100644 index 00000000000..cc23658a806 --- /dev/null +++ b/ld/testsuite/ld-x86-64/pe-x86-64-6.od @@ -0,0 +1,91 @@ + +.*: +file format .* + +SYMBOL TABLE: +0+4010a8 g .text\$mn 0000000000000000 xfunc +0+402000 g .rdata 0000000000000000 \?\?_C@_02LDKJOMJN@AB@ +0+400000 g .text\$mn 0000000000000000 __executable_start +0+403058 g .data 0000000000000000 __bss_start +0+401000 g .text\$mn 0000000000000000 main +0+403038 g .data 0000000000000000 deadloopvar +0+4010ac g .text\$mn 0000000000000000 xstring +0+403058 g .data 0000000000000000 _edata +0+403058 g .data 0000000000000000 _end + + + +Disassembly of section .text\$mn: + +0+401000
: + +[a-f0-9]+: 48 89 5c 24 08 mov %rbx,0x8\(%rsp\) + +[a-f0-9]+: 48 89 6c 24 10 mov %rbp,0x10\(%rsp\) + +[a-f0-9]+: 48 89 74 24 20 mov %rsi,0x20\(%rsp\) + +[a-f0-9]+: 57 push %rdi + +[a-f0-9]+: 48 83 ec 20 sub \$0x20,%rsp + +[a-f0-9]+: cc int3 + +[a-f0-9]+: 8b 05 1d 20 00 00 mov 0x201d\(%rip\),%eax # 403038 + +[a-f0-9]+: 83 f8 01 cmp \$0x1,%eax + +[a-f0-9]+: 74 f5 je 401015 + +[a-f0-9]+: 0f 31 rdtsc + +[a-f0-9]+: 48 c1 e2 20 shl \$0x20,%rdx + +[a-f0-9]+: 48 0b c2 or %rdx,%rax + +[a-f0-9]+: 74 5d je 401088 + +[a-f0-9]+: 33 ff xor %edi,%edi + +[a-f0-9]+: 48 8d 2d cc ef ff ff lea -0x1034\(%rip\),%rbp # 400000 <__executable_start> + +[a-f0-9]+: 33 db xor %ebx,%ebx + +[a-f0-9]+: 48 8d 35 ff 1f 00 00 lea 0x1fff\(%rip\),%rsi # 40303c + +[a-f0-9]+: 48 8b 8c 2b 50 30 00 00 mov 0x3050\(%rbx,%rbp,1\),%rcx + +[a-f0-9]+: 44 8a 01 mov \(%rcx\),%r8b + +[a-f0-9]+: 45 84 c0 test %r8b,%r8b + +[a-f0-9]+: 74 28 je 401075 + +[a-f0-9]+: b8 05 00 00 00 mov \$0x5,%eax + +[a-f0-9]+: 2b 84 2b 48 30 00 00 sub 0x3048\(%rbx,%rbp,1\),%eax + +[a-f0-9]+: 99 cltd + +[a-f0-9]+: 2b c2 sub %edx,%eax + +[a-f0-9]+: d1 f8 sar %eax + +[a-f0-9]+: 48 63 d0 movslq %eax,%rdx + +[a-f0-9]+: 48 03 d6 add %rsi,%rdx + +[a-f0-9]+: 48 ff c1 inc %rcx + +[a-f0-9]+: 44 88 02 mov %r8b,\(%rdx\) + +[a-f0-9]+: 48 ff c2 inc %rdx + +[a-f0-9]+: 44 8a 01 mov \(%rcx\),%r8b + +[a-f0-9]+: 45 84 c0 test %r8b,%r8b + +[a-f0-9]+: 75 ef jne 401064 + +[a-f0-9]+: 48 8b ce mov %rsi,%rcx + +[a-f0-9]+: e8 2f 00 00 00 call 4010ac + +[a-f0-9]+: ff c7 inc %edi + +[a-f0-9]+: 48 83 c3 08 add \$0x8,%rbx + +[a-f0-9]+: 83 ff 01 cmp \$0x1,%edi + +[a-f0-9]+: 72 b5 jb 40103d + +[a-f0-9]+: b1 aa mov \$0xaa,%cl + +[a-f0-9]+: e8 19 00 00 00 call 4010a8 + +[a-f0-9]+: 48 8b 5c 24 30 mov 0x30\(%rsp\),%rbx + +[a-f0-9]+: 33 c0 xor %eax,%eax + +[a-f0-9]+: 48 8b 6c 24 38 mov 0x38\(%rsp\),%rbp + +[a-f0-9]+: 48 8b 74 24 48 mov 0x48\(%rsp\),%rsi + +[a-f0-9]+: 48 83 c4 20 add \$0x20,%rsp + +[a-f0-9]+: 5f pop %rdi + +[a-f0-9]+: c3 ret + +[a-f0-9]+: 66 90 xchg %ax,%ax + +0+4010a8 : + +[a-f0-9]+: 66 90 xchg %ax,%ax + +[a-f0-9]+: cc int3 + +[a-f0-9]+: c3 ret + +0+4010ac : + +[a-f0-9]+: 40 53 rex push %rbx + +[a-f0-9]+: 48 83 ec 20 sub \$0x20,%rsp + +[a-f0-9]+: 8a 01 mov \(%rcx\),%al + +[a-f0-9]+: 48 8b d9 mov %rcx,%rbx + +[a-f0-9]+: eb 0c jmp 4010c5 + +[a-f0-9]+: 8a c8 mov %al,%cl + +[a-f0-9]+: e8 e8 ff ff ff call 4010a8 + +[a-f0-9]+: 48 ff c3 inc %rbx + +[a-f0-9]+: 8a 03 mov \(%rbx\),%al + +[a-f0-9]+: 84 c0 test %al,%al + +[a-f0-9]+: 75 f0 jne 4010b9 + +[a-f0-9]+: 48 83 c4 20 add \$0x20,%rsp + +[a-f0-9]+: 5b pop %rbx + +[a-f0-9]+: c3 ret +#pass diff --git a/ld/testsuite/ld-x86-64/pe-x86-64.exp b/ld/testsuite/ld-x86-64/pe-x86-64.exp index ccfcdfaddfb..f5d2c84f283 100644 --- a/ld/testsuite/ld-x86-64/pe-x86-64.exp +++ b/ld/testsuite/ld-x86-64/pe-x86-64.exp @@ -73,4 +73,13 @@ run_ld_link_tests [list \ {readelf {-s -x .data} pe-x86-64-5.rd}} \ "pe-x86-64-5" \ ] \ + [list \ + "Build pe-x86-64-6" \ + "-m elf_x86_64 --entry=main" \ + "" \ + "" \ + {pe-x86-64-6.obj.bz2 } \ + {{objdump {-dw --sym} pe-x86-64-6.od}} \ + "pe-x86-64-6" \ + ] \ ] -- 2.29.2