glibc/sysdeps/mips/linkmap.h

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2008-10-01 Mark Shinwell <shinwell@codesourcery.com> Daniel Jacobowitz <dan@codesourcery.com> Richard Sandiford <rdsandiford@googlemail.com> * sysdeps/mips/dl-dtprocnum.h (DT_MIPS_NUM): Redefine. * sysdeps/mips/dl-lookup.c: New. * sysdeps/mips/do-lookup.h: New. * sysdeps/mips/dl-machine.h (ELF_MACHINE_NO_PLT): Remove definition. (STO_MIPS_PLT, R_MIPS_COPY, R_MIPS_JUMP_SLOT, DT_MIPS_PLTGOT): Define if needed. (ELF_MACHINE_JMP_SLOT): Alter definition and update comment. (elf_machine_type_class): Likewise. (ELF_MACHINE_PLT_REL): Define. (elf_machine_fixup_plt): New. (elf_machine_plt_value): New. (elf_machine_reloc): Handle jump slot and copy relocations. (elf_machine_lazy_rel): Point relocation place at PLT if required. (RESOLVE_GOTSYM): Take a relocation type argument. (elf_machine_got_rel): Bind lazy stubs directly to their target if !lazy. Skip lazy binding for PLT symbols. (elf_machine_runtime_setup): Fill in .got.plt header. * sysdeps/mips/dl-trampoline.c (IFNEWABI): New macro. (ELF_DL_PLT_FRAME_SIZE, ELF_DL_PLT_SAVE_ARG_REGS, ELF_DL_PLT_RESTORE_ARG_REGS): Define. (_dl_runtime_pltresolve): New. * sysdeps/mips/bits/linkmap.h: New file. * sysdeps/mips/tls-macros.h: Load $gp as required. Merge 32-bit and 64-bit versions. * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h (SYSCALL_ERROR_LABEL): Delete definition. * sysdeps/unix/sysv/linux/mips/nptl/sysdep-cancel.h (PSEUDO_CPLOAD, PSEUDO_ERRJMP, PSEUDO_SAVEGP, PSEUDO_LOADGP): Define. (PSEUDO): Use them. Move outside __PIC__. (PSEUDO_JMP): New. (CENABLE, CDISABLE): Use it.
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struct link_map_machine
{
ElfW(Addr) plt; /* Address of .plt */
Add support for MIPS O32 FPXX and .MIPS.abiflags * elf/elf.h (PT_MIPS_ABIFLAGS): Define. (Elf_MIPS_ABIFlags_v0): New structure. (EF_MIPS_FP64): Define. (MIPS_AFL_REG_NONE, MIPS_AFL_REG_32, MIPS_AFL_REG_64): Likewise. (MIPS_AFL_REG_128, MIPS_AFL_ASE_DSP, MIPS_AFL_ASE_DSP64): Likewise. (MIPS_AFL_ASE_DSPR2, MIPS_AFL_ASE_EVA, MIPS_AFL_ASE_MCU): Likewise. (MIPS_AFL_ASE_MDMX, MIPS_AFL_ASE_MIPS3D, MIPS_AFL_ASE_MT): Likewise. (MIPS_AFL_ASE_SMARTMIPS, MIPS_AFL_ASE_VIRT): Likewise. (MIPS_AFL_ASE_VIRT64, MIPS_AFL_ASE_MSA, MIPS_AFL_ASE_MSA64): Likewise. (MIPS_AFL_ASE_MIPS16, MIPS_AFL_ASE_MICROMIPS): Likewise. (MIPS_AFL_ASE_XPA, MIPS_AFL_EXT_XLR, MIPS_AFL_EXT_OCTEON2): Likewise. (MIPS_AFL_EXT_OCTEONP, MIPS_AFL_EXT_LOONGSON_3A): Likewise. (MIPS_AFL_EXT_OCTEON, MIPS_AFL_EXT_5900, MIPS_AFL_EXT_4010): Likewise. (MIPS_AFL_EXT_4100, MIPS_AFL_EXT_3900, MIPS_AFL_EXT_10000): Likewise. (MIPS_AFL_EXT_SB1, MIPS_AFL_EXT_4111, MIPS_AFL_EXT_4120): Likewise. (MIPS_AFL_EXT_5400, MIPS_AFL_EXT_5500): Likewise. (MIPS_AFL_EXT_LOONGSON_2E, MIPS_AFL_EXT_LOONGSON_2F): Likewise. (Val_GNU_MIPS_ABI_FP_ANY, Val_GNU_MIPS_ABI_FP_DOUBLE): New enum values. (Val_GNU_MIPS_ABI_FP_SINGLE, Val_GNU_MIPS_ABI_FP_SOFT): Likewise. (Val_GNU_MIPS_ABI_FP_OLD_64, Val_GNU_MIPS_ABI_FP_XX): Likewise. (Val_GNU_MIPS_ABI_FP_64, Val_GNU_MIPS_ABI_FP_64A): Likewise. (Val_GNU_MIPS_ABI_FP_MAX): Likewise. * sysdeps/mips/Makefile [subdir=elf]: Add tst-abi-interlink, tst-mode-switch-1, tst-mode-switch-2, tst-mode-switch-3 tests. * sysdeps/mips/bits/linkmap.h (struct link_map_machine): Add fpmode field. * sysdeps/mips/dl-machine.h (elf_machine_matches_host): Reject EF_MIPS_FP64. * sysdeps/mips/dl-machine-reject-phdr.h: New file. * sysdeps/mips/tst-abi-fp32mod.c: Likewise. * sysdeps/mips/tst-abi-fpxxmod.c: Likewise. * sysdeps/mips/tst-abi-fpxxomod.c: Likewise. * sysdeps/mips/tst-abi-fp64mod.c: Likewise. * sysdeps/mips/tst-abi-fp64amod.c: Likewise. * sysdeps/mips/tst-abi-interlink.c: Likewise. * sysdeps/mips/tst-mode-switch-1.c: Likewise. * sysdeps/mips/tst-mode-switch-2.c: Likewise. * sysdeps/mips/tst-mode-switch-3.c: Likewise. * sysdeps/unix/sysv/linux/mips/configure.ac (o32-fpabi): Define to record the current FP ABI extension. (mips-mode-switch): Define to show if kernel headers support mode switching. * sysdeps/unix/sysv/linux/mips/configure: Regenerate. * sysdeps/unix/sysv/linux/mips/ldsodefs.h: Increase maximum supported SYSV ABI version to 3. * sysdeps/unix/sysv/linux/mips/libc-abis: Add new MIPS_O32_FP64 feature.
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ElfW(Word) fpabi; /* FP ABI of the object */
unsigned int odd_spreg; /* Does the object require odd_spreg support? */
2008-10-01 Mark Shinwell <shinwell@codesourcery.com> Daniel Jacobowitz <dan@codesourcery.com> Richard Sandiford <rdsandiford@googlemail.com> * sysdeps/mips/dl-dtprocnum.h (DT_MIPS_NUM): Redefine. * sysdeps/mips/dl-lookup.c: New. * sysdeps/mips/do-lookup.h: New. * sysdeps/mips/dl-machine.h (ELF_MACHINE_NO_PLT): Remove definition. (STO_MIPS_PLT, R_MIPS_COPY, R_MIPS_JUMP_SLOT, DT_MIPS_PLTGOT): Define if needed. (ELF_MACHINE_JMP_SLOT): Alter definition and update comment. (elf_machine_type_class): Likewise. (ELF_MACHINE_PLT_REL): Define. (elf_machine_fixup_plt): New. (elf_machine_plt_value): New. (elf_machine_reloc): Handle jump slot and copy relocations. (elf_machine_lazy_rel): Point relocation place at PLT if required. (RESOLVE_GOTSYM): Take a relocation type argument. (elf_machine_got_rel): Bind lazy stubs directly to their target if !lazy. Skip lazy binding for PLT symbols. (elf_machine_runtime_setup): Fill in .got.plt header. * sysdeps/mips/dl-trampoline.c (IFNEWABI): New macro. (ELF_DL_PLT_FRAME_SIZE, ELF_DL_PLT_SAVE_ARG_REGS, ELF_DL_PLT_RESTORE_ARG_REGS): Define. (_dl_runtime_pltresolve): New. * sysdeps/mips/bits/linkmap.h: New file. * sysdeps/mips/tls-macros.h: Load $gp as required. Merge 32-bit and 64-bit versions. * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h (SYSCALL_ERROR_LABEL): Delete definition. * sysdeps/unix/sysv/linux/mips/nptl/sysdep-cancel.h (PSEUDO_CPLOAD, PSEUDO_ERRJMP, PSEUDO_SAVEGP, PSEUDO_LOADGP): Define. (PSEUDO): Use them. Move outside __PIC__. (PSEUDO_JMP): New. (CENABLE, CDISABLE): Use it.
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};