diff options
Diffstat (limited to 'sysdeps/sh/dl-machine.h')
| -rw-r--r-- | sysdeps/sh/dl-machine.h | 299 |
1 files changed, 17 insertions, 282 deletions
diff --git a/sysdeps/sh/dl-machine.h b/sysdeps/sh/dl-machine.h index 271666a2a3..e73c6d79c3 100644 --- a/sysdeps/sh/dl-machine.h +++ b/sysdeps/sh/dl-machine.h @@ -1,5 +1,5 @@ /* Machine-dependent ELF dynamic relocation inline functions. SH version. - Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 + Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -21,8 +21,6 @@ #ifndef dl_machine_h #define dl_machine_h -/* Only dummy. This doesn't work. */ - #define ELF_MACHINE_NAME "SH" #include <sys/param.h> @@ -106,7 +104,9 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) { got[2] = (Elf32_Addr) &_dl_runtime_profile; /* Say that we really want profiling and the timers are started. */ - GL(dl_profile_map) = l; + if (GLRO(dl_profile) != NULL + && _dl_name_match_p (GLRO(dl_profile), l)) + GL(dl_profile_map) = l; } else /* This function will get called to fix up the GOT entry indicated by @@ -116,273 +116,8 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) return lazy; } -/* This code is used in dl-runtime.c to call the `fixup' function - and then redirect to the address it returns. */ - #define ELF_MACHINE_RUNTIME_FIXUP_ARGS int plt_type -#ifdef SHARED -#define FUN_ADDR "\ - mov.l 1f,r2\n\ - mova 1f,r0\n\ - bra 2f\n\ - add r0,r2 ! Get GOT address in r2\n\ -0: .align 2\n\ -1: .long _GLOBAL_OFFSET_TABLE_\n\ -2: mov.l 3f,r0\n\ - add r2,r0" -#define GOTJMP(x) #x "@GOTOFF" -#else -#define FUN_ADDR "\ - mov.l 3f,r0" -#define GOTJMP(x) #x -#endif - -#ifdef HAVE_FPU -#define FGR_SAVE "\ - sts.l fpscr, @-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov #8,r3\n\ - swap.w r3, r3\n\ - lds r3, fpscr\n\ - fmov.s fr11, @-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - fmov.s fr10, @-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - fmov.s fr9, @-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - fmov.s fr8, @-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - fmov.s fr7, @-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - fmov.s fr6, @-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - fmov.s fr5, @-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - fmov.s fr4, @-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) -#define FGR_LOAD "\ - fmov.s @r15+, fr4\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - fmov.s @r15+, fr5\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - fmov.s @r15+, fr6\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - fmov.s @r15+, fr7\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - fmov.s @r15+, fr8\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - fmov.s @r15+, fr9\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - fmov.s @r15+, fr10\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - fmov.s @r15+, fr11\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - lds.l @r15+, fpscr\n\ - " CFI_ADJUST_CFA_OFFSET (-4) -#else -#define FGR_SAVE "" -#define FGR_LOAD "" -#endif - -#ifndef PROF -# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\ - .text\n\ - .globl _dl_runtime_resolve\n\ - .type _dl_runtime_resolve, @function\n\ - " CFI_STARTPROC "\n\ - .align 5\n\ -_dl_runtime_resolve:\n\ - mov.l r2,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r3,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r4,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r5,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r6,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r7,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r12,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - movt r3 ! Save T flag.\n\ - mov.l r3,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - " FGR_SAVE "\n\ - sts.l pr,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - tst r0,r0\n\ - bt 1f\n\ - mov r0,r2\n\ -1:\n\ - mov r0,r4 ! PLT type\n\ - mov r2,r5 ! link map address\n\ - " FUN_ADDR "\n\ - jsr @r0 ! Call resolver.\n\ - mov r1,r6 ! reloc offset\n\ - lds.l @r15+,pr ! Get register content back.\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - " FGR_LOAD "\n\ - mov.l @r15+,r3\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - shal r3 ! Lode T flag.\n\ - mov.l @r15+,r12\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r7\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r6\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r5\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r4\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r3\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - jmp @r0 ! Jump to function address.\n\ - mov.l @r15+,r2\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - .align 2\n\ -3:\n\ - .long " GOTJMP (fixup) "\n\ - " CFI_ENDPROC "\n\ - .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\ -\n\ - .globl _dl_runtime_profile\n\ - .type _dl_runtime_profile, @function\n\ - " CFI_STARTPROC "\n\ - .align 5\n\ -_dl_runtime_profile:\n\ - mov.l r2,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r3,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r4,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r5,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r6,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r7,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r12,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - movt r3 ! Save T flag.\n\ - mov.l r3,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - " FGR_SAVE "\n\ - sts.l pr,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - tst r0,r0\n\ - bt 1f\n\ - mov r0,r2\n\ -1:\n\ - mov r0,r4 ! PLT type\n\ - mov r2,r5 ! link map address\n\ - sts pr,r7 ! return address\n\ - " FUN_ADDR "\n\ - jsr @r0 ! Call resolver.\n\ - mov r1,r6 ! reloc offset\n\ - lds.l @r15+,pr ! Get register content back.\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - " FGR_LOAD "\n\ - mov.l @r15+,r3\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - shal r3 ! Lode T flag.\n\ - mov.l @r15+,r12\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r7\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r6\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r5\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r4\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r3\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - jmp @r0 ! Jump to function address.\n\ - mov.l @r15+,r2\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - .align 2\n\ -3:\n\ - .long " GOTJMP (profile_fixup) "\n\ - " CFI_ENDPROC "\n\ - .size _dl_runtime_profile, .-_dl_runtime_profile\n\ - .previous\n\ -"); -#else -# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\ - .text\n\ - .globl _dl_runtime_resolve\n\ - .globl _dl_runtime_profile\n\ - .type _dl_runtime_resolve, @function\n\ - .type _dl_runtime_profile, @function\n\ - .align 5\n\ -_dl_runtime_resolve:\n\ -_dl_runtime_profile:\n\ - mov.l r2,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r3,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r4,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r5,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r6,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r7,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - mov.l r12,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - movt r3 ! Save T flag.\n\ - mov.l r3,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - " FGR_SAVE "\n\ - sts.l pr,@-r15\n\ - " CFI_ADJUST_CFA_OFFSET (4) "\n\ - tst r0,r0\n\ - bt 1f\n\ - mov r0,r2\n\ -1:\n\ - mov r0,r4 ! PLT type\n\ - mov r2,r5 ! link map address\n\ - sts pr,r7 ! return address\n\ - " FUN_ADDR "\n\ - jsr @r0 ! Call resolver.\n\ - mov r1,r6 ! reloc offset\n\ - lds.l @r15+,pr ! Get register content back.\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - " FGR_LOAD "\n\ - mov.l @r15+,r3\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - shal r3 ! Lode T flag.\n\ - mov.l @r15+,r12\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r7\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r6\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r5\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r4\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - mov.l @r15+,r3\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - jmp @r0 ! Jump to function address.\n\ - mov.l @r15+,r2\n\ - " CFI_ADJUST_CFA_OFFSET (-4) "\n\ - .align 2\n\ -3:\n\ - .long " GOTJMP (fixup) "\n\ - " CFI_ENDPROC "\n\ - .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\ - .size _dl_runtime_profile, .-_dl_runtime_profile\n\ - .previous\n\ -"); -#endif - /* Mask identifying addresses reserved for the user program, where the dynamic linker should not map anything. */ #define ELF_MACHINE_USER_ADDRESS_MASK 0x80000000UL @@ -459,6 +194,12 @@ _dl_start_user:\n\ .long _rtld_local@GOT\n\ .L_dl_fini:\n\ .long _dl_fini@GOT\n\ + .type __fpscr_values,@object\n\ + .global __fpscr_values\n\ +__fpscr_values:\n\ + .long 0\n\ + .long 0x80000\n\ + .weak __fpscr_values\n\ .previous\n\ "); @@ -510,13 +251,16 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc, return value + reloc->r_addend; } -#endif /* !dl_machine_h */ +#define ARCH_LA_PLTENTER sh_gnu_pltenter +#define ARCH_LA_PLTEXIT sh_gnu_pltexit -#ifdef RESOLVE +#endif /* !dl_machine_h */ /* SH never uses Elf32_Rel relocations. */ #define ELF_MACHINE_NO_REL 1 +#ifdef RESOLVE_MAP + /* Perform the relocation specified by RELOC and SYM (which is fully resolved). MAP is the object containing the reloc. */ @@ -579,18 +323,9 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, else { const Elf32_Sym *const refsym = sym; -#if defined USE_TLS && !defined RTLD_BOOTSTRAP struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type); - value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value; -#else - - value = RESOLVE (&sym, version, r_type); -# ifndef RTLD_BOOTSTRAP - if (sym != NULL) -# endif - value += sym->st_value; -#endif + value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value; value += reloc->r_addend; switch (r_type) @@ -736,4 +471,4 @@ elf_machine_lazy_rel (struct link_map *map, _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 1); } -#endif /* RESOLVE */ +#endif /* RESOLVE_MAP */ |