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* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_runtime_setup):
Handle prelinked libraries and binaries with new style PLT. 2005-06-07 Jakub Jelinek <jakub@redhat.com> * elf/elf.h (R_PPC_REL16, R_PPC_REL16_LO, R_PPC_REL16_HI, R_PPC_REL16_HA): Define. 2005-06-14 Alan Modra <amodra@bigpond.net.au> * config.h.in (HAVE_ASM_PPC_REL16): Add. * elf/elf.h (DT_PPC_GOT, DT_PPC_NUM): Define. * elf/tls-macros.h (PowerPC32): Include config.h. Add variants of TLS_IE, TLS_LD and TLS_GD for new PLT/GOT layout. * sysdeps/powerpc/powerpc32/configure.in: New file, * sysdeps/powerpc/powerpc32/dl-dtprocnum.h: New file. * sysdeps/powerpc/powerpc32/dl-machine.h (DT_PPC): Define. (ppc_got): New inline function. (elf_machine_dynamic): Use ppc_got. Add attribute const. (elf_machine_load_address): Add attribute const. Don't use int vars. Use bcl rather than bl to save trashing branch target stack. Use elf_machine_dynamic rather than duplicating code here. (elf_machine_runtime_setup): New inline function replacing define. Handle new PLT. (elf_machine_fixup_plt): Handle new PLT. (elf_machine_rela): Likewise. * sysdeps/powerpc/powerpc32/sysdep.h: Include config.h. (CALL_MCOUNT): Don't set up counter vars. * sysdeps/powerpc/powerpc32/ppc-mcount.S: Correct comment. * sysdeps/powerpc/powerpc32/elf/start.S (start_addressesp): Don't define when HAVE_ASM_PPC_REL16. (_start): Add HAVE_ASM_PPC_REL16 code. * sysdeps/powerpc/powerpc32/dl-start.S (_dl_start_user): Don't bl into the GOT when HAVE_ASM_PPC_REL16. * sysdeps/powerpc/powerpc32/memset.S (memset): Likewise. * sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S (__longjmp): Ditto. * sysdeps/powerpc/powerpc32/fpu/s_ceil.S (__ceil): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_ceilf.S (__ceilf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_floor.S (__floor): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_floorf.S (__floorf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_lround.S (__lround): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_rint.S (__rint): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_rintf.S (__rintf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_round.S (__round): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_roundf.S (__roundf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_trunc.S (__trunc): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_truncf.S (__truncf): Likewise. * sysdeps/powerpc/powerpc32/fpu/setjmp-common.S (__sigsetjmp): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S (__brk): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S (__getcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S (__setcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S (__swapcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S (stackblock): Comment. (__socket): Bomb if NARGS >= 7. Invoke CGOTSETUP and CGOTRESTORE. 2005-06-17 Ulrich Drepper <drepper@redhat.com> * sysdeps/posix/sigignore.c: Include <string.h> to tell the compiler to use __GI_memset. * sysdeps/posix/signal.c: Likewise. * sysdeps/posix/sigset.c: Likewise. * sysdeps/posix/sysv_signal.c: Likewise. * sysdeps/unix/sysv/linux/sleep.c: Likewise. * sysdeps/unix/sysv/linux/sysctl.c: Likewise. * sysdeps/unix/sysv/linux/system.c: Likewise.
This commit is contained in:
parent
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73
ChangeLog
73
ChangeLog
@ -1,3 +1,76 @@
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2005-06-10 Jakub Jelinek <jakub@redhat.com>
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* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_runtime_setup):
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Handle prelinked libraries and binaries with new style PLT.
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2005-06-07 Jakub Jelinek <jakub@redhat.com>
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* elf/elf.h (R_PPC_REL16, R_PPC_REL16_LO, R_PPC_REL16_HI,
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R_PPC_REL16_HA): Define.
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2005-06-14 Alan Modra <amodra@bigpond.net.au>
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* config.h.in (HAVE_ASM_PPC_REL16): Add.
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* elf/elf.h (DT_PPC_GOT, DT_PPC_NUM): Define.
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* elf/tls-macros.h (PowerPC32): Include config.h. Add variants of
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TLS_IE, TLS_LD and TLS_GD for new PLT/GOT layout.
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* sysdeps/powerpc/powerpc32/configure.in: New file,
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* sysdeps/powerpc/powerpc32/dl-dtprocnum.h: New file.
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* sysdeps/powerpc/powerpc32/dl-machine.h (DT_PPC): Define.
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(ppc_got): New inline function.
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(elf_machine_dynamic): Use ppc_got. Add attribute const.
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(elf_machine_load_address): Add attribute const. Don't use int vars.
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Use bcl rather than bl to save trashing branch target stack. Use
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elf_machine_dynamic rather than duplicating code here.
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(elf_machine_runtime_setup): New inline function replacing define.
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Handle new PLT.
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(elf_machine_fixup_plt): Handle new PLT.
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(elf_machine_rela): Likewise.
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* sysdeps/powerpc/powerpc32/sysdep.h: Include config.h.
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(CALL_MCOUNT): Don't set up counter vars.
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* sysdeps/powerpc/powerpc32/ppc-mcount.S: Correct comment.
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* sysdeps/powerpc/powerpc32/elf/start.S (start_addressesp): Don't
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define when HAVE_ASM_PPC_REL16.
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(_start): Add HAVE_ASM_PPC_REL16 code.
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* sysdeps/powerpc/powerpc32/dl-start.S (_dl_start_user): Don't bl
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into the GOT when HAVE_ASM_PPC_REL16.
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* sysdeps/powerpc/powerpc32/memset.S (memset): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S (__longjmp): Ditto.
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* sysdeps/powerpc/powerpc32/fpu/s_ceil.S (__ceil): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/s_ceilf.S (__ceilf): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/s_floor.S (__floor): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/s_floorf.S (__floorf): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/s_lround.S (__lround): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/s_rint.S (__rint): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/s_rintf.S (__rintf): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/s_round.S (__round): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/s_roundf.S (__roundf): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/s_trunc.S (__trunc): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/s_truncf.S (__truncf): Likewise.
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* sysdeps/powerpc/powerpc32/fpu/setjmp-common.S (__sigsetjmp):
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Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S (__brk): Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S
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(__getcontext): Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S
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(__setcontext): Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S
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(__swapcontext): Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S (stackblock):
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Comment.
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(__socket): Bomb if NARGS >= 7. Invoke CGOTSETUP and CGOTRESTORE.
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2005-06-17 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/posix/sigignore.c: Include <string.h> to tell the compiler
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to use __GI_memset.
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* sysdeps/posix/signal.c: Likewise.
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* sysdeps/posix/sigset.c: Likewise.
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* sysdeps/posix/sysv_signal.c: Likewise.
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* sysdeps/unix/sysv/linux/sleep.c: Likewise.
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* sysdeps/unix/sysv/linux/sysctl.c: Likewise.
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* sysdeps/unix/sysv/linux/system.c: Likewise.
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2005-06-15 Jakub Jelinek <jakub@redhat.com>
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* hesiod/hesiod.c (hesiod_init): Don't check for ctx->classes[0] == 0
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@ -220,6 +220,9 @@
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/* Define if inlined system calls are available. */
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#undef HAVE_INLINED_SYSCALLS
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/* Define if your assembler and linker support R_PPC_REL16* relocs. */
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#undef HAVE_ASM_PPC_REL16
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/*
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*/
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@ -1979,10 +1979,19 @@ typedef Elf32_Addr Elf32_Conflict;
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#define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */
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#define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */
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/* GNU relocs used in PIC code sequences. */
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#define R_PPC_REL16 249 /* word32 (sym-.) */
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#define R_PPC_REL16_LO 250 /* half16 (sym-.)@l */
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#define R_PPC_REL16_HI 251 /* half16 (sym-.)@h */
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#define R_PPC_REL16_HA 252 /* half16 (sym-.)@ha */
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/* This is a phony reloc to handle any old fashioned TOC16 references
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that may still be in object files. */
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#define R_PPC_TOC16 255
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/* PowerPC specific values for the Dyn d_tag field. */
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#define DT_PPC_GOT (DT_LOPROC + 0)
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#define DT_PPC_NUM 1
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/* PowerPC64 relocations defined by the ABIs */
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#define R_PPC64_NONE R_PPC_NONE
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@ -703,6 +703,8 @@ register void *__gp __asm__("$29");
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#elif defined __powerpc__ && !defined __powerpc64__
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#include "config.h"
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# define __TLS_CALL_CLOBBERS \
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"0", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", \
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"lr", "ctr", "cr0", "cr1", "cr5", "cr6", "cr7"
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@ -715,7 +717,20 @@ register void *__gp __asm__("$29");
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__result; })
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/* PowerPC32 Initial Exec TLS access. */
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# define TLS_IE(x) \
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# ifdef HAVE_ASM_PPC_REL16
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# define TLS_IE(x) \
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({ int *__result; \
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asm ("bcl 20,31,1f\n1:\t" \
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"mflr %0\n\t" \
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"addis %0,%0,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t" \
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"addi %0,%0,_GLOBAL_OFFSET_TABLE_-1b@l\n\t" \
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"lwz %0," #x "@got@tprel(%0)\n\t" \
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"add %0,%0," #x "@tls" \
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: "=b" (__result) : \
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: "lr"); \
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__result; })
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# else
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# define TLS_IE(x) \
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({ int *__result; \
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asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \
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"mflr %0\n\t" \
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@ -724,9 +739,24 @@ register void *__gp __asm__("$29");
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: "=b" (__result) : \
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: "lr"); \
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__result; })
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# endif
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/* PowerPC32 Local Dynamic TLS access. */
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# define TLS_LD(x) \
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# ifdef HAVE_ASM_PPC_REL16
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# define TLS_LD(x) \
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({ int *__result; \
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asm ("bcl 20,31,1f\n1:\t" \
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"mflr 3\n\t" \
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"addis 3,3,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t" \
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"addi 3,3,_GLOBAL_OFFSET_TABLE_-1b@l\n\t" \
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"addi 3,3," #x "@got@tlsld\n\t" \
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"bl __tls_get_addr@plt\n\t" \
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"addi %0,3," #x "@dtprel" \
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: "=r" (__result) : \
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: __TLS_CALL_CLOBBERS); \
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__result; })
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# else
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# define TLS_LD(x) \
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({ int *__result; \
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asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \
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"mflr 3\n\t" \
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@ -736,9 +766,23 @@ register void *__gp __asm__("$29");
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: "=r" (__result) : \
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: __TLS_CALL_CLOBBERS); \
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__result; })
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# endif
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/* PowerPC32 General Dynamic TLS access. */
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# define TLS_GD(x) \
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# ifdef HAVE_ASM_PPC_REL16
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# define TLS_GD(x) \
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({ register int *__result __asm__ ("r3"); \
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asm ("bcl 20,31,1f\n1:\t" \
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"mflr 3\n\t" \
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"addis 3,3,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t" \
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"addi 3,3,_GLOBAL_OFFSET_TABLE_-1b@l\n\t" \
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"addi 3,3," #x "@got@tlsgd\n\t" \
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"bl __tls_get_addr@plt" \
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: : \
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: __TLS_CALL_CLOBBERS); \
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__result; })
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# else
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# define TLS_GD(x) \
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({ register int *__result __asm__ ("r3"); \
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asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \
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"mflr 3\n\t" \
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@ -747,6 +791,7 @@ register void *__gp __asm__("$29");
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: : \
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: __TLS_CALL_CLOBBERS); \
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__result; })
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# endif
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#elif defined __powerpc__ && defined __powerpc64__
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@ -1,3 +1,12 @@
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2005-06-14 Alan Modra <amodra@bigpond.net.au>
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h (PSEUDO):
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Invoke CGOTSETUP and CGOTRESTORE.
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(CGOTSETUP, CGOTRESTORE): Define.
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(SINGLE_THREAD_P): Add variant for new PLT/GOT layout.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S (__vfork): Avoid
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bl into the GOT when HAVE_ASM_PPC_REL16.
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2005-05-23 Roland McGrath <roland@redhat.com>
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* sysdeps/arm, sysdeps/unix/sysv/linux/arm: Subdirectories moved to
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@ -37,6 +37,7 @@
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stwu 1,-48(1); \
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mflr 9; \
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stw 9,52(1); \
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CGOTSETUP; \
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DOCARGS_##args; /* save syscall args around CENABLE. */ \
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CENABLE; \
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stw 3,16(1); /* store CENABLE return value (MASK). */ \
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@ -50,6 +51,7 @@
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lwz 4,52(1); \
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lwz 0,12(1); /* restore CR/R3. */ \
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lwz 3,8(1); \
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CGOTRESTORE; \
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mtlr 4; \
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mtcr 0; \
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addi 1,1,48;
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@ -75,6 +77,9 @@
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# define DOCARGS_6 stw 8,40(1); DOCARGS_5
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# define UNDOCARGS_6 lwz 8,40(1); UNDOCARGS_5
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# define CGOTSETUP
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# define CGOTRESTORE
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# ifdef IS_IN_libpthread
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# define CENABLE bl __pthread_enable_asynccancel@local
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# define CDISABLE bl __pthread_disable_asynccancel@local
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@ -84,6 +89,18 @@
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# else
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# define CENABLE bl JUMPTARGET(__librt_enable_asynccancel)
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# define CDISABLE bl JUMPTARGET(__librt_disable_asynccancel)
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# if defined HAVE_AS_REL16 && defined PIC
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# undef CGOTSETUP
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# define CGOTSETUP \
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bcl 20,31,1f; \
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1: stw 30,44(1); \
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mflr 30; \
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addis 30,30,_GLOBAL_OFFSET_TABLE-1b@ha; \
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addi 30,30,_GLOBAL_OFFSET_TABLE-1b@l
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# undef CGOTRESTORE
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# define CGOTRESTORE \
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lwz 30,44(1)
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# endif
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# endif
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# ifdef HAVE_TLS_SUPPORT
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@ -111,7 +128,17 @@ extern int __local_multiple_threads attribute_hidden;
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lwz 10,__local_multiple_threads@l(10); \
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cmpwi 10,0
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# else
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# define SINGLE_THREAD_P \
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# ifdef HAVE_ASM_PPC_REL16
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# define SINGLE_THREAD_P \
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mflr 9; \
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bcl 20,31,1f; \
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1:mflr 10; \
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addis 10,10,__local_multiple_threads-1b@ha; \
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lwz 10,__local_multiple_threads-1b@l(10); \
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mtlr 9; \
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cmpwi 10,0
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# else
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# define SINGLE_THREAD_P \
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mflr 9; \
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bl _GLOBAL_OFFSET_TABLE_@local-4; \
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mflr 10; \
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@ -119,6 +146,7 @@ extern int __local_multiple_threads attribute_hidden;
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lwz 10,__local_multiple_threads@got(10); \
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lwz 10,0(10); \
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cmpwi 10,0
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# endif
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# endif
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# endif
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# endif
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@ -31,11 +31,19 @@ ENTRY (__vfork)
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#ifdef __NR_vfork
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# ifdef SHARED
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mflr 9
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# ifdef HAVE_ASM_PPC_REL16
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bcl 20,31,1f
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1: mflr 10
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addis 10,10,__libc_pthread_functions-1b@ha
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lwz 10,__libc_pthread_functions-1b@l(10)
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mtlr 9
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# else
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bl _GLOBAL_OFFSET_TABLE_@local-4
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mflr 10
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mtlr 9
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lwz 10,__libc_pthread_functions@got(10)
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lwz 10,0(10)
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# endif
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# else
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.weak pthread_create
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lis 10,pthread_create@ha
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@ -1,3 +1,9 @@
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2005-06-14 Alan Modra <amodra@bigpond.net.au>
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h (PSEUDO):
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Invoke CGOTSETUP and CGOTRESTORE.
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(CGOTSETUP, CGOTRESTORE): Define.
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2005-05-29 Richard Henderson <rth@redhat.com>
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* tst-cancel4.c (WRITE_BUFFER_SIZE): New.
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@ -45,6 +45,7 @@
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mflr 9; \
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stw 9,52(1); \
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cfi_offset (lr, 4); \
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CGOTSETUP; \
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DOCARGS_##args; /* save syscall args around CENABLE. */ \
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CENABLE; \
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stw 3,16(1); /* store CENABLE return value (MASK). */ \
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@ -58,6 +59,7 @@
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lwz 4,52(1); \
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lwz 0,12(1); /* restore CR/R3. */ \
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||||
lwz 3,8(1); \
|
||||
CGOTRESTORE; \
|
||||
mtlr 4; \
|
||||
mtcr 0; \
|
||||
addi 1,1,48; \
|
||||
@ -84,6 +86,9 @@
|
||||
# define DOCARGS_6 stw 8,40(1); DOCARGS_5
|
||||
# define UNDOCARGS_6 lwz 8,40(1); UNDOCARGS_5
|
||||
|
||||
# define CGOTSETUP
|
||||
# define CGOTRESTORE
|
||||
|
||||
# ifdef IS_IN_libpthread
|
||||
# define CENABLE bl __pthread_enable_asynccancel@local
|
||||
# define CDISABLE bl __pthread_disable_asynccancel@local
|
||||
@ -93,6 +98,18 @@
|
||||
# elif defined IS_IN_librt
|
||||
# define CENABLE bl JUMPTARGET(__librt_enable_asynccancel)
|
||||
# define CDISABLE bl JUMPTARGET(__librt_disable_asynccancel)
|
||||
# if defined HAVE_AS_REL16 && defined PIC
|
||||
# undef CGOTSETUP
|
||||
# define CGOTSETUP \
|
||||
bcl 20,31,1f; \
|
||||
1: stw 30,44(1); \
|
||||
mflr 30; \
|
||||
addis 30,30,_GLOBAL_OFFSET_TABLE-1b@ha; \
|
||||
addi 30,30,_GLOBAL_OFFSET_TABLE-1b@l
|
||||
# undef CGOTRESTORE
|
||||
# define CGOTRESTORE \
|
||||
lwz 30,44(1)
|
||||
# endif
|
||||
# else
|
||||
# error Unsupported library
|
||||
# endif
|
||||
|
@ -1,5 +1,5 @@
|
||||
/* Set the disposition of SIG to SIG_IGN.
|
||||
Copyright (C) 1998 Free Software Foundation, Inc.
|
||||
Copyright (C) 1998, 2005 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
|
||||
|
||||
@ -22,6 +22,8 @@
|
||||
#define __need_NULL
|
||||
#include <stddef.h>
|
||||
#include <signal.h>
|
||||
#include <string.h> /* For the real memset prototype. */
|
||||
|
||||
|
||||
int
|
||||
sigignore (sig)
|
||||
|
@ -1,5 +1,6 @@
|
||||
/* BSD-like signal function.
|
||||
Copyright (C) 1991,1992,1996,1997,2000,2002 Free Software Foundation, Inc.
|
||||
Copyright (C) 1991,1992,1996,1997,2000,2002,2005
|
||||
Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -19,6 +20,7 @@
|
||||
|
||||
#include <errno.h>
|
||||
#include <signal.h>
|
||||
#include <string.h> /* For the real memset prototype. */
|
||||
|
||||
|
||||
sigset_t _sigintr attribute_hidden; /* Set by siginterrupt. */
|
||||
|
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1998, 2000, 2005 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -20,6 +20,7 @@
|
||||
#define __need_NULL
|
||||
#include <stddef.h>
|
||||
#include <signal.h>
|
||||
#include <string.h> /* For the real memset prototype. */
|
||||
|
||||
|
||||
/* Set the disposition for SIG. */
|
||||
|
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1991, 1992, 1996, 1997 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1991, 1992, 1996, 1997, 2005 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -18,6 +18,8 @@
|
||||
|
||||
#include <errno.h>
|
||||
#include <signal.h>
|
||||
#include <string.h> /* For the real memset prototype. */
|
||||
|
||||
|
||||
/* Tolerate non-threads versions of Posix */
|
||||
#ifndef SA_ONESHOT
|
||||
|
33
sysdeps/powerpc/powerpc32/configure
vendored
Normal file
33
sysdeps/powerpc/powerpc32/configure
vendored
Normal file
@ -0,0 +1,33 @@
|
||||
# This file is generated from configure.in by Autoconf. DO NOT EDIT!
|
||||
# Local configure fragment for sysdeps/powerpc/powerpc32.
|
||||
|
||||
# See whether gas has R_PPC_REL16 relocs.
|
||||
echo "$as_me:$LINENO: checking for R_PPC_REL16 gas support" >&5
|
||||
echo $ECHO_N "checking for R_PPC_REL16 gas support... $ECHO_C" >&6
|
||||
if test "${libc_cv_ppc_rel16+set}" = set; then
|
||||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
else
|
||||
cat > conftest.s <<\EOF
|
||||
.text
|
||||
addis 11,30,_GLOBAL_OFFSET_TABLE_-.@ha
|
||||
EOF
|
||||
if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
|
||||
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
|
||||
(eval $ac_try) 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; }; then
|
||||
libc_cv_ppc_rel16=yes
|
||||
else
|
||||
libc_cv_ppc_rel16=no
|
||||
fi
|
||||
rm -f conftest*
|
||||
fi
|
||||
echo "$as_me:$LINENO: result: $libc_cv_ppc_rel16" >&5
|
||||
echo "${ECHO_T}$libc_cv_ppc_rel16" >&6
|
||||
if test $libc_cv_ppc_rel16 = yes; then
|
||||
cat >>confdefs.h <<\_ACEOF
|
||||
#define HAVE_ASM_PPC_REL16 1
|
||||
_ACEOF
|
||||
|
||||
fi
|
18
sysdeps/powerpc/powerpc32/configure.in
Normal file
18
sysdeps/powerpc/powerpc32/configure.in
Normal file
@ -0,0 +1,18 @@
|
||||
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
|
||||
# Local configure fragment for sysdeps/powerpc/powerpc32.
|
||||
|
||||
# See whether gas has R_PPC_REL16 relocs.
|
||||
AC_CACHE_CHECK(for R_PPC_REL16 gas support, libc_cv_ppc_rel16, [dnl
|
||||
cat > conftest.s <<\EOF
|
||||
.text
|
||||
addis 11,30,_GLOBAL_OFFSET_TABLE_-.@ha
|
||||
EOF
|
||||
if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
|
||||
libc_cv_ppc_rel16=yes
|
||||
else
|
||||
libc_cv_ppc_rel16=no
|
||||
fi
|
||||
rm -f conftest*])
|
||||
if test $libc_cv_ppc_rel16 = yes; then
|
||||
AC_DEFINE(HAVE_ASM_PPC_REL16)
|
||||
fi
|
3
sysdeps/powerpc/powerpc32/dl-dtprocnum.h
Normal file
3
sysdeps/powerpc/powerpc32/dl-dtprocnum.h
Normal file
@ -0,0 +1,3 @@
|
||||
/* Number of extra dynamic section entries for this architecture. By
|
||||
default there are none. */
|
||||
#define DT_THISPROCNUM DT_PPC_NUM
|
@ -25,6 +25,10 @@
|
||||
#include <assert.h>
|
||||
#include <dl-tls.h>
|
||||
|
||||
/* Translate a processor specific dynamic tag to the index
|
||||
in l_info array. */
|
||||
#define DT_PPC(x) (DT_PPC_##x - DT_LOPROC + DT_NUM)
|
||||
|
||||
/* Return nonzero iff ELF header is compatible with the running host. */
|
||||
static inline int
|
||||
elf_machine_matches_host (const Elf32_Ehdr *ehdr)
|
||||
@ -32,24 +36,38 @@ elf_machine_matches_host (const Elf32_Ehdr *ehdr)
|
||||
return ehdr->e_machine == EM_PPC;
|
||||
}
|
||||
|
||||
/* Return the value of the GOT pointer. */
|
||||
static inline Elf32_Addr * __attribute__ ((const))
|
||||
ppc_got (void)
|
||||
{
|
||||
Elf32_Addr *got;
|
||||
#ifdef HAVE_ASM_PPC_REL16
|
||||
asm ("bcl 20,31,1f\n"
|
||||
"1: mflr %0\n"
|
||||
" addis %0,%0,_GLOBAL_OFFSET_TABLE_-1b@ha\n"
|
||||
" addi %0,%0,_GLOBAL_OFFSET_TABLE_-1b@l\n"
|
||||
: "=b" (got) : : "lr");
|
||||
#else
|
||||
asm (" bl _GLOBAL_OFFSET_TABLE_-4@local"
|
||||
: "=l" (got));
|
||||
#endif
|
||||
return got;
|
||||
}
|
||||
|
||||
/* Return the link-time address of _DYNAMIC, stored as
|
||||
the first value in the GOT. */
|
||||
static inline Elf32_Addr
|
||||
static inline Elf32_Addr __attribute__ ((const))
|
||||
elf_machine_dynamic (void)
|
||||
{
|
||||
Elf32_Addr *got;
|
||||
asm (" bl _GLOBAL_OFFSET_TABLE_-4@local"
|
||||
: "=l"(got));
|
||||
return *got;
|
||||
return *ppc_got ();
|
||||
}
|
||||
|
||||
/* Return the run-time load address of the shared object. */
|
||||
static inline Elf32_Addr
|
||||
static inline Elf32_Addr __attribute__ ((const))
|
||||
elf_machine_load_address (void)
|
||||
{
|
||||
unsigned int *got;
|
||||
unsigned int *branchaddr;
|
||||
Elf32_Addr *branchaddr;
|
||||
Elf32_Addr runtime_dynamic;
|
||||
|
||||
/* This is much harder than you'd expect. Possibly I'm missing something.
|
||||
The 'obvious' way:
|
||||
@ -80,19 +98,17 @@ elf_machine_load_address (void)
|
||||
the address ourselves. That gives us the following code: */
|
||||
|
||||
/* Get address of the 'b _DYNAMIC@local'... */
|
||||
asm ("bl 0f ;"
|
||||
asm ("bcl 20,31,0f;"
|
||||
"b _DYNAMIC@local;"
|
||||
"0:"
|
||||
: "=l"(branchaddr));
|
||||
|
||||
/* ... and the address of the GOT. */
|
||||
asm (" bl _GLOBAL_OFFSET_TABLE_-4@local"
|
||||
: "=l"(got));
|
||||
: "=l" (branchaddr));
|
||||
|
||||
/* So now work out the difference between where the branch actually points,
|
||||
and the offset of that location in memory from the start of the file. */
|
||||
return ((Elf32_Addr)branchaddr - *got
|
||||
+ ((int)(*branchaddr << 6 & 0xffffff00) >> 6));
|
||||
runtime_dynamic = ((Elf32_Addr) branchaddr
|
||||
+ ((Elf32_Sword) (*branchaddr << 6 & 0xffffff00) >> 6));
|
||||
|
||||
return runtime_dynamic - elf_machine_dynamic ();
|
||||
}
|
||||
|
||||
#define ELF_MACHINE_BEFORE_RTLD_RELOC(dynamic_info) /* nothing */
|
||||
@ -144,13 +160,69 @@ __elf_preferred_address(struct link_map *loader, size_t maplength,
|
||||
/* The PowerPC never uses REL relocations. */
|
||||
#define ELF_MACHINE_NO_REL 1
|
||||
|
||||
/* Set up the loaded object described by L so its unrelocated PLT
|
||||
/* Set up the loaded object described by MAP so its unrelocated PLT
|
||||
entries will jump to the on-demand fixup code in dl-runtime.c.
|
||||
Also install a small trampoline to be used by entries that have
|
||||
been relocated to an address too far away for a single branch. */
|
||||
extern int __elf_machine_runtime_setup (struct link_map *map,
|
||||
int lazy, int profile);
|
||||
#define elf_machine_runtime_setup __elf_machine_runtime_setup
|
||||
|
||||
static inline int
|
||||
elf_machine_runtime_setup (struct link_map *map,
|
||||
int lazy, int profile)
|
||||
{
|
||||
if (map->l_info[DT_JMPREL] == 0)
|
||||
return lazy;
|
||||
|
||||
if (map->l_info[DT_PPC(GOT)] == 0)
|
||||
/* Handle old style PLT. */
|
||||
return __elf_machine_runtime_setup (map, lazy, profile);
|
||||
|
||||
/* New style non-exec PLT consisting of an array of addresses. */
|
||||
map->l_info[DT_PPC(GOT)]->d_un.d_ptr += map->l_addr;
|
||||
if (lazy)
|
||||
{
|
||||
Elf32_Addr *plt, *got, glink;
|
||||
Elf32_Word num_plt_entries;
|
||||
void (*dlrr) (void);
|
||||
extern void _dl_runtime_resolve (void);
|
||||
extern void _dl_prof_resolve (void);
|
||||
|
||||
if (__builtin_expect (!profile, 1))
|
||||
dlrr = _dl_runtime_resolve;
|
||||
else
|
||||
{
|
||||
if (GLRO(dl_profile) != NULL
|
||||
&&_dl_name_match_p (GLRO(dl_profile), map))
|
||||
GL(dl_profile_map) = map;
|
||||
dlrr = _dl_prof_resolve;
|
||||
}
|
||||
got = (Elf32_Addr *) map->l_info[DT_PPC(GOT)]->d_un.d_ptr;
|
||||
glink = got[1];
|
||||
got[1] = (Elf32_Addr) dlrr;
|
||||
got[2] = (Elf32_Addr) map;
|
||||
|
||||
/* Relocate everything in .plt by the load address offset. */
|
||||
plt = (Elf32_Addr *) D_PTR (map, l_info[DT_PLTGOT]);
|
||||
num_plt_entries = (map->l_info[DT_PLTRELSZ]->d_un.d_val
|
||||
/ sizeof (Elf32_Rela));
|
||||
|
||||
/* If a library is prelinked but we have to relocate anyway,
|
||||
we have to be able to undo the prelinking of .plt section.
|
||||
The prelinker saved us at got[1] address of .glink
|
||||
section's start. */
|
||||
if (glink)
|
||||
{
|
||||
glink += map->l_addr;
|
||||
while (num_plt_entries-- != 0)
|
||||
*plt++ = glink, glink += 4;
|
||||
}
|
||||
else
|
||||
while (num_plt_entries-- != 0)
|
||||
*plt++ += map->l_addr;
|
||||
}
|
||||
return lazy;
|
||||
}
|
||||
|
||||
/* Change the PLT entry whose reloc is 'reloc' to call the actual routine. */
|
||||
extern Elf32_Addr __elf_machine_fixup_plt (struct link_map *map,
|
||||
@ -163,7 +235,12 @@ elf_machine_fixup_plt (struct link_map *map, lookup_t t,
|
||||
const Elf32_Rela *reloc,
|
||||
Elf32_Addr *reloc_addr, Elf64_Addr finaladdr)
|
||||
{
|
||||
return __elf_machine_fixup_plt (map, reloc, reloc_addr, finaladdr);
|
||||
if (map->l_info[DT_PPC(GOT)] == 0)
|
||||
/* Handle old style PLT. */
|
||||
return __elf_machine_fixup_plt (map, reloc, reloc_addr, finaladdr);
|
||||
|
||||
*reloc_addr = finaladdr;
|
||||
return finaladdr;
|
||||
}
|
||||
|
||||
/* Return the final value of a plt relocation. */
|
||||
@ -286,11 +363,16 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
|
||||
break;
|
||||
#endif /* USE_TLS etc. */
|
||||
|
||||
#ifdef RESOLVE_CONFLICT_FIND_MAP
|
||||
case R_PPC_JMP_SLOT:
|
||||
#ifdef RESOLVE_CONFLICT_FIND_MAP
|
||||
RESOLVE_CONFLICT_FIND_MAP (map, reloc_addr);
|
||||
/* FALLTHROUGH */
|
||||
#endif
|
||||
if (map->l_info[DT_PPC(GOT)] != 0)
|
||||
{
|
||||
*reloc_addr = value;
|
||||
break;
|
||||
}
|
||||
/* FALLTHROUGH */
|
||||
|
||||
default:
|
||||
__process_machine_rela (map, reloc, sym_map, sym, refsym,
|
||||
|
@ -47,8 +47,15 @@ ENTRY(_dl_start_user)
|
||||
passed by value!). */
|
||||
|
||||
/* Put our GOT pointer in r31, */
|
||||
#ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r31
|
||||
addis r31,r31,_GLOBAL_OFFSET_TABLE_-1b@ha
|
||||
addi r31,r31,_GLOBAL_OFFSET_TABLE_-1b@l
|
||||
#else
|
||||
bl _GLOBAL_OFFSET_TABLE_-4@local
|
||||
mflr r31
|
||||
#endif
|
||||
/* the address of _start in r30, */
|
||||
mr r30,r3
|
||||
/* &_dl_argc in 29, &_dl_argv in 27, and _dl_loaded in 28. */
|
||||
|
@ -52,7 +52,7 @@ L(start_addresses):
|
||||
ASM_SIZE_DIRECTIVE(L(start_addresses))
|
||||
|
||||
.section ".text"
|
||||
#ifdef PIC
|
||||
#if defined PIC && !defined HAVE_ASM_PPC_REL16
|
||||
L(start_addressesp):
|
||||
.long L(start_addresses)-L(branch)
|
||||
#endif
|
||||
@ -73,11 +73,19 @@ L(branch):
|
||||
mtlr r0
|
||||
stw r0,0(r1)
|
||||
/* Set r13 to point at the 'small data area', and put the address of
|
||||
start_addresses in r8... */
|
||||
start_addresses in r8. Also load the GOT pointer so that new PLT
|
||||
calls work, like the one to __libc_start_main. */
|
||||
#ifdef PIC
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
addis r30,r13,_GLOBAL_OFFSET_TABLE_-L(branch)@ha
|
||||
addis r8,r13,L(start_addresses)-L(branch)@ha
|
||||
addi r30,r30,_GLOBAL_OFFSET_TABLE_-L(branch)@l
|
||||
lwzu r13,L(start_addresses)-L(branch)@l(r8)
|
||||
# else
|
||||
lwz r8,L(start_addressesp)-L(branch)(r13)
|
||||
add r8,r13,r8
|
||||
lwz r13,0(r8)
|
||||
# endif
|
||||
#else
|
||||
lis r8,L(start_addresses)@ha
|
||||
lwzu r13,L(start_addresses)@l(r8)
|
||||
|
@ -34,8 +34,15 @@ ENTRY (BP_SYM (__longjmp))
|
||||
#ifndef __NO_VMX__
|
||||
# ifdef PIC
|
||||
mflr r6
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r5
|
||||
addis r5,r5,_GLOBAL_OFFSET_TABLE_-1b@ha
|
||||
addi r5,r5,_GLOBAL_OFFSET_TABLE_-1b@l
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r5
|
||||
# endif
|
||||
# ifdef SHARED
|
||||
lwz r5,_rtld_global_ro@got(r5)
|
||||
mtlr r6
|
||||
|
@ -29,11 +29,19 @@ ENTRY (__ceil)
|
||||
mffs fp11 /* Save current FPU rounding mode. */
|
||||
#ifdef SHARED
|
||||
mflr r11
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r9
|
||||
addis r9,r9,.LC0-1b@ha
|
||||
mtlr r11
|
||||
lfs fp13,.LC0-1b@l(r9)
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r10
|
||||
lwz r9,.LC0@got(10)
|
||||
mtlr r11
|
||||
lfs fp13,0(r9)
|
||||
# endif
|
||||
#else
|
||||
lis r9,.LC0@ha
|
||||
lfs fp13,.LC0@l(r9)
|
||||
|
@ -20,7 +20,7 @@
|
||||
#include <sysdep.h>
|
||||
|
||||
.section .rodata.cst4,"aM",@progbits,4
|
||||
.align 2
|
||||
.align 2
|
||||
.LC0: /* 2**23 */
|
||||
.long 0x4b000000
|
||||
|
||||
@ -29,11 +29,19 @@ ENTRY (__ceilf)
|
||||
mffs fp11 /* Save current FPU rounding mode. */
|
||||
#ifdef SHARED
|
||||
mflr r11
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r9
|
||||
addis r9,r9,.LC0-1b@ha
|
||||
mtlr r11
|
||||
lfs fp13,.LC0-1b@l(r9)
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r10
|
||||
lwz r9,.LC0@got(10)
|
||||
mtlr r11
|
||||
lfs fp13,0(r9)
|
||||
# endif
|
||||
#else
|
||||
lis r9,.LC0@ha
|
||||
lfs fp13,.LC0@l(r9)
|
||||
|
@ -29,11 +29,19 @@ ENTRY (__floor)
|
||||
mffs fp11 /* Save current FPU rounding mode. */
|
||||
#ifdef SHARED
|
||||
mflr r11
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r9
|
||||
addis r9,r9,.LC0-1b@ha
|
||||
mtlr r11
|
||||
lfs fp13,.LC0-1b@l(r9)
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r10
|
||||
lwz r9,.LC0@got(10)
|
||||
mtlr r11
|
||||
lfs fp13,0(r9)
|
||||
# endif
|
||||
#else
|
||||
lis r9,.LC0@ha
|
||||
lfs fp13,.LC0@l(r9)
|
||||
|
@ -20,7 +20,7 @@
|
||||
#include <sysdep.h>
|
||||
|
||||
.section .rodata.cst4,"aM",@progbits,4
|
||||
.align 2
|
||||
.align 2
|
||||
.LC0: /* 2**23 */
|
||||
.long 0x4b000000
|
||||
|
||||
@ -29,11 +29,19 @@ ENTRY (__floorf)
|
||||
mffs fp11 /* Save current FPU rounding mode. */
|
||||
#ifdef SHARED
|
||||
mflr r11
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r9
|
||||
addis r9,r9,.LC0-1b@ha
|
||||
mtlr r11
|
||||
lfs fp13,.LC0-1b@l(r9)
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r10
|
||||
lwz r9,.LC0@got(10)
|
||||
mtlr r11
|
||||
lfs fp13,0(r9)
|
||||
# endif
|
||||
#else
|
||||
lis r9,.LC0@ha
|
||||
lfs fp13,.LC0@l(r9)
|
||||
|
@ -41,9 +41,16 @@
|
||||
ENTRY (__lround)
|
||||
#ifdef SHARED
|
||||
mflr r11
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r9
|
||||
addis r9,r9,.LC0-1b@ha
|
||||
addi r9,r9,.LC0-1b@l
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r10
|
||||
lwz r9,.LC0@got(10)
|
||||
# endif
|
||||
mtlr r11
|
||||
lfs fp12,0(r9)
|
||||
#else
|
||||
|
@ -31,11 +31,19 @@
|
||||
ENTRY (__rint)
|
||||
#ifdef SHARED
|
||||
mflr r11
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r9
|
||||
addis r9,r9,.LC0-1b@ha
|
||||
mtlr r11
|
||||
lfs fp13,.LC0-1b@l(r9)
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r10
|
||||
lwz r9,.LC0@got(10)
|
||||
mtlr r11
|
||||
lfs fp13,0(r9)
|
||||
# endif
|
||||
#else
|
||||
lis r9,.LC0@ha
|
||||
lfs fp13,.LC0@l(r9)
|
||||
|
@ -20,7 +20,7 @@
|
||||
#include <sysdep.h>
|
||||
|
||||
.section .rodata.cst4,"aM",@progbits,4
|
||||
.align 2
|
||||
.align 2
|
||||
.LC0: /* 2**23 */
|
||||
.long 0x4b000000
|
||||
|
||||
@ -28,11 +28,19 @@
|
||||
ENTRY (__rintf)
|
||||
#ifdef SHARED
|
||||
mflr r11
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r9
|
||||
addis r9,r9,.LC0-1b@ha
|
||||
mtlr r11
|
||||
lfs fp13,.LC0-1b@l(r9)
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r10
|
||||
lwz r9,.LC0@got(10)
|
||||
mtlr r11
|
||||
lfs fp13,0(r9)
|
||||
# endif
|
||||
#else
|
||||
lis r9,.LC0@ha
|
||||
lfs fp13,.LC0@l(r9)
|
||||
|
@ -41,9 +41,16 @@ ENTRY (__round)
|
||||
mffs fp11 /* Save current FPU rounding mode. */
|
||||
#ifdef SHARED
|
||||
mflr r11
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r9
|
||||
addis r9,r9,.LC0-1b@ha
|
||||
addi r9,r9,.LC0-1b@l
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r10
|
||||
lwz r9,.LC0@got(10)
|
||||
# endif
|
||||
mtlr r11
|
||||
lfs fp13,0(r9)
|
||||
#else
|
||||
|
@ -41,9 +41,16 @@ ENTRY (__roundf )
|
||||
mffs fp11 /* Save current FPU rounding mode. */
|
||||
#ifdef SHARED
|
||||
mflr r11
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r9
|
||||
addis r9,r9,.LC0-1b@ha
|
||||
addi r9,r9,.LC0-1b@l
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r10
|
||||
lwz r9,.LC0@got(10)
|
||||
# endif
|
||||
mtlr r11
|
||||
lfs fp13,0(r9)
|
||||
#else
|
||||
|
@ -36,11 +36,19 @@ ENTRY (__trunc)
|
||||
mffs fp11 /* Save current FPU rounding mode. */
|
||||
#ifdef SHARED
|
||||
mflr r11
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r9
|
||||
addis r9,r9,.LC0-1b@ha
|
||||
mtlr r11
|
||||
lfs fp13,.LC0-1b@l(r9)
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r10
|
||||
lwz r9,.LC0@got(10)
|
||||
mtlr r11
|
||||
lfs fp13,0(r9)
|
||||
# endif
|
||||
#else
|
||||
lis r9,.LC0@ha
|
||||
lfs fp13,.LC0@l(r9)
|
||||
|
@ -20,7 +20,7 @@
|
||||
#include <sysdep.h>
|
||||
|
||||
.section .rodata.cst4,"aM",@progbits,4
|
||||
.align 2
|
||||
.align 2
|
||||
.LC0: /* 2**23 */
|
||||
.long 0x4b000000
|
||||
|
||||
@ -36,11 +36,19 @@ ENTRY (__truncf)
|
||||
mffs fp11 /* Save current FPU rounding mode. */
|
||||
#ifdef SHARED
|
||||
mflr r11
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r9
|
||||
addis r9,r9,.LC0-1b@ha
|
||||
mtlr r11
|
||||
lfs fp13,.LC0-1b@l(r9)
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r10
|
||||
lwz r9,.LC0@got(10)
|
||||
mtlr r11
|
||||
lfs fp13,0(r9)
|
||||
# endif
|
||||
#else
|
||||
lis r9,.LC0@ha
|
||||
lfs fp13,.LC0@l(r9)
|
||||
|
@ -76,8 +76,15 @@ ENTRY (BP_SYM (__sigsetjmp))
|
||||
#ifndef __NO_VMX__
|
||||
# ifdef PIC
|
||||
mflr r6
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r5
|
||||
addis r5,r5,_GLOBAL_OFFSET_TABLE_-1b@ha
|
||||
addi r5,r5,_GLOBAL_OFFSET_TABLE_-1b@l
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r5
|
||||
# endif
|
||||
# ifdef SHARED
|
||||
lwz r5,_rtld_global_ro@got(r5)
|
||||
mtlr r6
|
||||
|
@ -264,10 +264,17 @@ L(checklinesize):
|
||||
beq L(medium)
|
||||
/* Establishes GOT addressability so we can load __cache_line_size
|
||||
from static. This value was set from the aux vector during startup. */
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr rGOT
|
||||
addis rGOT,rGOT,__cache_line_size-1b@ha
|
||||
lwz rCLS,__cache_line_size-1b@l(rGOT)
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr rGOT
|
||||
lwz rGOT,__cache_line_size@got(rGOT)
|
||||
lwz rCLS,0(rGOT)
|
||||
# endif
|
||||
mtlr rTMP
|
||||
#else
|
||||
/* Load __cache_line_size from static. This value was set from the
|
||||
|
@ -1,5 +1,5 @@
|
||||
/* PowerPC-specific implementation of profiling support.
|
||||
Copyright (C) 1997, 1999 Free Software Foundation, Inc.
|
||||
Copyright (C) 1997, 1999, 2005 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -24,25 +24,19 @@
|
||||
|
||||
#include <sysdep.h>
|
||||
|
||||
/* We do profiling as described in the SYSV ELF ABI, _mcount is called
|
||||
with the address of a data word in r0 (that is different for every
|
||||
routine, initialised to 0, and otherwise unused). The caller has put
|
||||
the address the caller will return to in the usual place on the stack,
|
||||
4(r1). _mcount is responsible for ensuring that when it returns no
|
||||
argument-passing registers are disturbed, and that the LR is set back
|
||||
to (what the caller sees as) 4(r1).
|
||||
/* We do profiling as described in the SYSV ELF ABI, except that glibc
|
||||
_mcount manages its own counters. The caller has put the address the
|
||||
caller will return to in the usual place on the stack, 4(r1). _mcount
|
||||
is responsible for ensuring that when it returns no argument-passing
|
||||
registers are disturbed, and that the LR is set back to (what the
|
||||
caller sees as) 4(r1).
|
||||
|
||||
This is intended so that the following code can be inserted at the
|
||||
front of any routine without changing the routine:
|
||||
|
||||
.data
|
||||
.align 2
|
||||
0: .long 0
|
||||
.previous
|
||||
mflr r0
|
||||
lis r11,0b@ha
|
||||
stw r0,4(r1)
|
||||
addi r0,r11,0b@l
|
||||
bl _mcount
|
||||
*/
|
||||
|
||||
|
@ -29,31 +29,10 @@
|
||||
/* The mcount code relies on a the return address being on the stack
|
||||
to locate our caller and so it can restore it; so store one just
|
||||
for its benefit. */
|
||||
# ifdef PIC
|
||||
# define CALL_MCOUNT \
|
||||
.pushsection; \
|
||||
.section ".data"; \
|
||||
.align ALIGNARG(2); \
|
||||
0:.long 0; \
|
||||
.previous; \
|
||||
# define CALL_MCOUNT \
|
||||
mflr r0; \
|
||||
stw r0,4(r1); \
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4; \
|
||||
mflr r11; \
|
||||
lwz r0,0b@got(r11); \
|
||||
bl JUMPTARGET(_mcount);
|
||||
# else /* PIC */
|
||||
# define CALL_MCOUNT \
|
||||
.section ".data"; \
|
||||
.align ALIGNARG(2); \
|
||||
0:.long 0; \
|
||||
.previous; \
|
||||
mflr r0; \
|
||||
lis r11,0b@ha; \
|
||||
stw r0,4(r1); \
|
||||
addi r0,r11,0b@l; \
|
||||
bl JUMPTARGET(_mcount);
|
||||
# endif /* PIC */
|
||||
#else /* PROF */
|
||||
# define CALL_MCOUNT /* Do nothing. */
|
||||
#endif /* PROF */
|
||||
|
@ -34,11 +34,19 @@ ENTRY (BP_SYM (__brk))
|
||||
lwz r6,8(r1)
|
||||
#ifdef PIC
|
||||
mflr r4
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r5
|
||||
addis r5,r5,__curbrk-1b@ha
|
||||
mtlr r4
|
||||
stw r3,__curbrk-1b@l(r5)
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r5
|
||||
lwz r5,__curbrk@got(r5)
|
||||
mtlr r4
|
||||
stw r3,0(r5)
|
||||
# endif
|
||||
#else
|
||||
lis r4,__curbrk@ha
|
||||
stw r3,__curbrk@l(r4)
|
||||
|
@ -129,8 +129,15 @@ ENTRY(__getcontext)
|
||||
|
||||
#ifdef PIC
|
||||
mflr r8
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r7
|
||||
addis r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
|
||||
addi r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r7
|
||||
# endif
|
||||
# ifdef SHARED
|
||||
lwz r7,_rtld_global_ro@got(r7)
|
||||
mtlr r8
|
||||
|
@ -58,8 +58,15 @@ ENTRY(__setcontext)
|
||||
|
||||
#ifdef PIC
|
||||
mflr r8
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r7
|
||||
addis r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
|
||||
addi r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r7
|
||||
# endif
|
||||
# ifdef SHARED
|
||||
lwz r7,_rtld_global_ro@got(r7)
|
||||
mtlr r8
|
||||
|
@ -39,6 +39,8 @@
|
||||
#define NARGS 3
|
||||
#endif
|
||||
|
||||
/* 0(r1) and 4(r1) are reserved by the ABI, 8(r1), 12(r1), 16(r1) are used
|
||||
for temp saves. 44(r1) is used to save r30. */
|
||||
#define stackblock 20
|
||||
|
||||
#ifndef __socket
|
||||
@ -69,12 +71,6 @@ ENTRY(__socket)
|
||||
stw r8,20+stackblock(r1)
|
||||
#endif
|
||||
#if NARGS >= 7
|
||||
stw r9,24+stackblock(r1)
|
||||
#endif
|
||||
#if NARGS >= 8
|
||||
stw r10,28+stackblock(r1)
|
||||
#endif
|
||||
#if NARGS >= 9
|
||||
#error too many arguments!
|
||||
#endif
|
||||
|
||||
@ -94,6 +90,7 @@ ENTRY(__socket)
|
||||
mflr r9
|
||||
stw r9,52(r1)
|
||||
cfi_offset (lr, 4)
|
||||
CGOTSETUP
|
||||
CENABLE
|
||||
stw r3,16(r1)
|
||||
li r3,P(SOCKOP_,socket)
|
||||
@ -107,6 +104,7 @@ ENTRY(__socket)
|
||||
lwz r4,52(r1)
|
||||
lwz r0,12(r1)
|
||||
lwz r3,8(r1)
|
||||
CGOTRESTORE
|
||||
mtlr r4
|
||||
mtcr r0
|
||||
addi r1,r1,48
|
||||
|
@ -130,8 +130,15 @@ ENTRY(__swapcontext)
|
||||
stfd fp0,_UC_FREGS+(32*8)(r3)
|
||||
#ifdef PIC
|
||||
mflr r8
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r7
|
||||
addis r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
|
||||
addi r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r7
|
||||
# endif
|
||||
# ifdef SHARED
|
||||
lwz r7,_rtld_global_ro@got(r7)
|
||||
mtlr r8
|
||||
@ -272,8 +279,15 @@ L(no_vec):
|
||||
|
||||
#ifdef PIC
|
||||
mflr r8
|
||||
# ifdef HAVE_ASM_PPC_REL16
|
||||
bcl 20,31,1f
|
||||
1: mflr r7
|
||||
addis r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
|
||||
addi r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
|
||||
# else
|
||||
bl _GLOBAL_OFFSET_TABLE_@local-4
|
||||
mflr r7
|
||||
# endif
|
||||
# ifdef SHARED
|
||||
lwz r7,_rtld_global_ro@got(r7)
|
||||
mtlr r8
|
||||
|
@ -1,5 +1,5 @@
|
||||
/* Implementation of the POSIX sleep function using nanosleep.
|
||||
Copyright (C) 1996, 1997, 1998, 1999, 2003 Free Software Foundation, Inc.
|
||||
Copyright (C) 1996,1997,1998,1999,2003,2005 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
|
||||
|
||||
@ -21,6 +21,7 @@
|
||||
#include <errno.h>
|
||||
#include <time.h>
|
||||
#include <signal.h>
|
||||
#include <string.h> /* For the real memset prototype. */
|
||||
#include <unistd.h>
|
||||
#include <sys/param.h>
|
||||
|
||||
|
@ -1,5 +1,5 @@
|
||||
/* Read or write system information. Linux version.
|
||||
Copyright (C) 1996-1999, 2000, 2002, 2003 Free Software Foundation, Inc.
|
||||
Copyright (C) 1996-2000,2002,2003,2005 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -18,6 +18,7 @@
|
||||
02111-1307 USA. */
|
||||
|
||||
#include <errno.h>
|
||||
#include <string.h> /* For the real memset prototype. */
|
||||
#include <sys/sysctl.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
|
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -18,6 +18,7 @@
|
||||
|
||||
#include <sched.h>
|
||||
#include <signal.h>
|
||||
#include <string.h> /* For the real memset prototype. */
|
||||
#include <sysdep.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/wait.h>
|
||||
|
Loading…
Reference in New Issue
Block a user