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| author | Jakub Jelinek <jakub@redhat.com> | 2002-10-01 09:15:34 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2002-10-01 09:15:34 +0000 |
| commit | abcf1d5247efcdfec46b9a0b5a268fdf65b3fdb0 (patch) | |
| tree | 53b7f25c1889243b3a6caa4288389fadbaef7fce /bfd/elf64-x86-64.c | |
| parent | a45bb67df201470589b4adc8b50190bdbec903cb (diff) | |
| download | gdb-abcf1d5247efcdfec46b9a0b5a268fdf65b3fdb0.zip gdb-abcf1d5247efcdfec46b9a0b5a268fdf65b3fdb0.tar.gz gdb-abcf1d5247efcdfec46b9a0b5a268fdf65b3fdb0.tar.bz2 | |
bfd/
* elf64-x86-64.c (elf64_x86_64_relocate_section): Change TLSGD
sequence and its transitions.
ld/testsuite/
* ld-x86-64/tlspic1.s: Change TLSGD sequences.
* ld-x86-64/tlsbinpic.s: Likewise.
* ld-x86-64/tlspic.dd: Adjust.
Diffstat (limited to 'bfd/elf64-x86-64.c')
| -rw-r--r-- | bfd/elf64-x86-64.c | 56 |
1 files changed, 29 insertions, 27 deletions
diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c index 2f92eae..cbb961f 100644 --- a/bfd/elf64-x86-64.c +++ b/bfd/elf64-x86-64.c @@ -2224,31 +2224,32 @@ elf64_x86_64_relocate_section (output_bfd, info, input_bfd, input_section, if (ELF64_R_TYPE (rel->r_info) == R_X86_64_TLSGD) { unsigned int i; - static unsigned char tlsgd[7] - = { 0x66, 0x66, 0x66, 0x66, 0x48, 0x8d, 0x3d }; + static unsigned char tlsgd[8] + = { 0x66, 0x48, 0x8d, 0x3d, 0x66, 0x66, 0x48, 0xe8 }; /* GD->LE transition. - .long 0x66666666; leaq foo@tlsgd(%rip), %rdi - callq __tls_get_addr@plt + .byte 0x66; leaq foo@tlsgd(%rip), %rdi + .word 0x6666; rex64; call __tls_get_addr@plt Change it into: movq %fs:0, %rax leaq foo@tpoff(%rax), %rax */ - BFD_ASSERT (rel->r_offset >= 7); - for (i = 0; i < 7; i++) + BFD_ASSERT (rel->r_offset >= 4); + for (i = 0; i < 4; i++) BFD_ASSERT (bfd_get_8 (input_bfd, - contents + rel->r_offset - 7 + i) + contents + rel->r_offset - 4 + i) == tlsgd[i]); - BFD_ASSERT (rel->r_offset + 9 <= input_section->_raw_size); - BFD_ASSERT (bfd_get_8 (input_bfd, - contents + rel->r_offset + 4) - == 0xe8); + BFD_ASSERT (rel->r_offset + 12 <= input_section->_raw_size); + for (i = 0; i < 4; i++) + BFD_ASSERT (bfd_get_8 (input_bfd, + contents + rel->r_offset + 4 + i) + == tlsgd[i+4]); BFD_ASSERT (rel + 1 < relend); BFD_ASSERT (ELF64_R_TYPE (rel[1].r_info) == R_X86_64_PLT32); - memcpy (contents + rel->r_offset - 7, + memcpy (contents + rel->r_offset - 4, "\x64\x48\x8b\x04\x25\0\0\0\0\x48\x8d\x80\0\0\0", 16); bfd_put_32 (output_bfd, tpoff (info, relocation), - contents + rel->r_offset + 5); + contents + rel->r_offset + 8); /* Skip R_X86_64_PLT32. */ rel++; continue; @@ -2397,27 +2398,28 @@ elf64_x86_64_relocate_section (output_bfd, info, input_bfd, input_section, else { unsigned int i; - static unsigned char tlsgd[7] - = { 0x66, 0x66, 0x66, 0x66, 0x48, 0x8d, 0x3d }; + static unsigned char tlsgd[8] + = { 0x66, 0x48, 0x8d, 0x3d, 0x66, 0x66, 0x48, 0xe8 }; /* GD->IE transition. - .long 0x66666666; leaq foo@tlsgd(%rip), %rdi - callq __tls_get_addr@plt + .byte 0x66; leaq foo@tlsgd(%rip), %rdi + .word 0x6666; rex64; call __tls_get_addr@plt Change it into: movq %fs:0, %rax addq foo@gottpoff(%rip), %rax */ - BFD_ASSERT (rel->r_offset >= 7); - for (i = 0; i < 7; i++) + BFD_ASSERT (rel->r_offset >= 4); + for (i = 0; i < 4; i++) BFD_ASSERT (bfd_get_8 (input_bfd, - contents + rel->r_offset - 7 + i) + contents + rel->r_offset - 4 + i) == tlsgd[i]); - BFD_ASSERT (rel->r_offset + 9 <= input_section->_raw_size); - BFD_ASSERT (bfd_get_8 (input_bfd, - contents + rel->r_offset + 4) - == 0xe8); + BFD_ASSERT (rel->r_offset + 12 <= input_section->_raw_size); + for (i = 0; i < 4; i++) + BFD_ASSERT (bfd_get_8 (input_bfd, + contents + rel->r_offset + 4 + i) + == tlsgd[i+4]); BFD_ASSERT (rel + 1 < relend); BFD_ASSERT (ELF64_R_TYPE (rel[1].r_info) == R_X86_64_PLT32); - memcpy (contents + rel->r_offset - 7, + memcpy (contents + rel->r_offset - 4, "\x64\x48\x8b\x04\x25\0\0\0\0\x48\x03\x05\0\0\0", 16); @@ -2426,9 +2428,9 @@ elf64_x86_64_relocate_section (output_bfd, info, input_bfd, input_section, - rel->r_offset - input_section->output_section->vma - input_section->output_offset - - 9); + - 12); bfd_put_32 (output_bfd, relocation, - contents + rel->r_offset + 5); + contents + rel->r_offset + 8); /* Skip R_X86_64_PLT32. */ rel++; continue; |