bfd/
* elfxx-mips.c (mips_elf_calculate_relocation): Calculate GP and GP0 for all relocation types. Allow any type of relocation to refer to __gnu_local_gp. ld/testsuite/ * ld-mips-elf/no-shared-1-o32.s, ld-mips-elf/no-shared-1-o32.d, ld-mips-elf/no-shared-1-n32.d, ld-mips-elf/no-shared-1-n64.s, ld-mips-elf/no-shared-1-n64.d, ld-mips-elf/no-shared-1.ld: New tests. * ld-mips-elf/mips-elf.exp: Run them.
This commit is contained in:
Richard Sandiford
parent
30c0909079
commit
0a61c8c283
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@ -1,3 +1,9 @@
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2008-07-10 Richard Sandiford <rdsandiford@googlemail.com>
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* elfxx-mips.c (mips_elf_calculate_relocation): Calculate GP and GP0
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for all relocation types. Allow any type of relocation to refer to
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__gnu_local_gp.
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2008-07-10 Richard Sandiford <rdsandiford@googlemail.com>
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* elfxx-mips.c (mips_elf_check_mips16_stubs): Use ELF_ST_IS_MIPS16.
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@ -4099,12 +4099,12 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
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bfd_vma symbol = 0;
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/* The final GP value to be used for the relocatable, executable, or
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shared object file being produced. */
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bfd_vma gp = MINUS_ONE;
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bfd_vma gp;
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/* The place (section offset or address) of the storage unit being
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relocated. */
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bfd_vma p;
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/* The value of GP used to create the relocatable object. */
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bfd_vma gp0 = MINUS_ONE;
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bfd_vma gp0;
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/* The offset into the global offset table at which the address of
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the relocation entry symbol, adjusted by the addend, resides
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during execution. */
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@ -4367,8 +4367,17 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
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local_p = mips_elf_local_relocation_p (input_bfd, relocation,
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local_sections, TRUE);
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/* If we haven't already determined the GOT offset, or the GP value,
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and we're going to need it, get it now. */
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gp0 = _bfd_get_gp_value (input_bfd);
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gp = _bfd_get_gp_value (abfd);
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if (dynobj)
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gp += mips_elf_adjust_gp (abfd, mips_elf_got_info (dynobj, NULL),
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input_bfd);
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if (gnu_local_gp_p)
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symbol = gp;
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/* If we haven't already determined the GOT offset, oand we're going
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to need it, get it now. */
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switch (r_type)
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{
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case R_MIPS_GOT_PAGE:
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@ -4449,29 +4458,8 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
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/* Convert GOT indices to actual offsets. */
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g = mips_elf_got_offset_from_index (dynobj, abfd, input_bfd, g);
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break;
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case R_MIPS_HI16:
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case R_MIPS_LO16:
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case R_MIPS_GPREL16:
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case R_MIPS_GPREL32:
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case R_MIPS_LITERAL:
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case R_MIPS16_HI16:
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case R_MIPS16_LO16:
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case R_MIPS16_GPREL:
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gp0 = _bfd_get_gp_value (input_bfd);
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gp = _bfd_get_gp_value (abfd);
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if (dynobj)
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gp += mips_elf_adjust_gp (abfd, mips_elf_got_info (dynobj, NULL),
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input_bfd);
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break;
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default:
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break;
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}
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if (gnu_local_gp_p)
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symbol = gp;
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/* Relocations against the VxWorks __GOTT_BASE__ and __GOTT_INDEX__
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symbols are resolved by the loader. Add them to .rela.dyn. */
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if (h != NULL && is_gott_symbol (info, &h->root))
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@ -1,3 +1,13 @@
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2008-07-10 Richard Sandiford <rdsandiford@googlemail.com>
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* ld-mips-elf/no-shared-1-o32.s,
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ld-mips-elf/no-shared-1-o32.d,
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ld-mips-elf/no-shared-1-n32.d,
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ld-mips-elf/no-shared-1-n64.s,
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ld-mips-elf/no-shared-1-n64.d,
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ld-mips-elf/no-shared-1.ld: New tests.
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* ld-mips-elf/mips-elf.exp: Run them.
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2008-07-07 Stan Shebs <stan@codesourcery.com>
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* ld-arm/arm-elf.exp: Use objdump -d for arm-be8 test.
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@ -79,6 +79,15 @@ if { $linux_gnu } {
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run_dump_test "multi-got-hidden-2"
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}
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# Test __gnu_local_gp accesses
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if { $linux_gnu } {
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run_dump_test "no-shared-1-o32"
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if { $has_newabi } {
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run_dump_test "no-shared-1-n32"
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run_dump_test "no-shared-1-n64"
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}
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}
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if $has_newabi {
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run_dump_test "elf-rel-got-n32"
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run_dump_test "elf-rel-xgot-n32"
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@ -0,0 +1,25 @@
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#as: -mabi=n32 -EB
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#source: no-shared-1-o32.s
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#ld: -melf32btsmipn32 -T no-shared-1.ld
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#objdump: -dr -j.text -j.data -j.got
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.*
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Disassembly of section \.text:
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00050000 <__start>:
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50000: 3c020007 lui v0,0x7
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50004: 24428000 addiu v0,v0,-32768
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50008: 8f828018 lw v0,-32744\(gp\)
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5000c: 8f828018 lw v0,-32744\(gp\)
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#...
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Disassembly of section \.data:
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00060000 <\.data>:
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60000: 00068000 .*
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#...
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Disassembly of section \.got:
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00060010 <_GLOBAL_OFFSET_TABLE_>:
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60010: 00000000 80000000 00068000 .*
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@ -0,0 +1,26 @@
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#as: -mabi=64 -EB
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#ld: -melf64btsmip -T no-shared-1.ld
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#objdump: -dr -j.text -j.data -j.got
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.*
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Disassembly of section \.text:
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0000000000050000 <__start>:
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50000: 3c020007 lui v0,0x7
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50004: 64428000 daddiu v0,v0,-32768
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50008: df828020 ld v0,-32736\(gp\)
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5000c: df828020 ld v0,-32736\(gp\)
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#...
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Disassembly of section \.data:
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0000000000060000 <\.data>:
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60000: 00000000 .*
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60004: 00068000 .*
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#...
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Disassembly of section \.got:
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0000000000060010 <_GLOBAL_OFFSET_TABLE_>:
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\.\.\.
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60018: 80000000 00000000 00000000 00068000 .*
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@ -0,0 +1,13 @@
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.abicalls
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.text
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.globl __start
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.ent __start
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__start:
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lui $2,%hi(__gnu_local_gp)
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daddiu $2,$2,%lo(__gnu_local_gp)
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ld $2,%got(__gnu_local_gp)($gp)
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ld $2,%call16(__gnu_local_gp)($gp)
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.end __start
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.data
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.8byte __gnu_local_gp
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@ -0,0 +1,24 @@
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#as: -mabi=32 -EB
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#ld: -melf32btsmip -T no-shared-1.ld
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#objdump: -dr -j.text -j.data -j.got
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.*
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Disassembly of section \.text:
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00050000 <__start>:
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50000: 3c020007 lui v0,0x7
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50004: 24428000 addiu v0,v0,-32768
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50008: 8f828018 lw v0,-32744\(gp\)
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5000c: 8f828018 lw v0,-32744\(gp\)
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#...
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Disassembly of section \.data:
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00060000 <\.data>:
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60000: 00068000 .*
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#...
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Disassembly of section \.got:
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00060010 <_GLOBAL_OFFSET_TABLE_>:
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60010: 00000000 80000000 00068000 .*
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@ -0,0 +1,13 @@
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.abicalls
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.text
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.globl __start
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.ent __start
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__start:
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lui $2,%hi(__gnu_local_gp)
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addiu $2,$2,%lo(__gnu_local_gp)
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lw $2,%got(__gnu_local_gp)($gp)
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lw $2,%call16(__gnu_local_gp)($gp)
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.end __start
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.data
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.4byte __gnu_local_gp
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@ -0,0 +1,11 @@
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SECTIONS
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{
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. = 0x50000;
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.text : { *(.text) }
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.MIPS.stubs : { *(.MIPS.stubs) }
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. = 0x60000;
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.data : { *(.data) }
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_gp = ALIGN (16) + 0x7ff0;
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.got : { *(.got) }
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}
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