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-rw-r--r--sysdeps/sh/dl-machine.h297
1 files changed, 16 insertions, 281 deletions
diff --git a/sysdeps/sh/dl-machine.h b/sysdeps/sh/dl-machine.h
index 271666a2a3..b66b4f0e42 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\
");
@@ -510,9 +251,12 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
return value + reloc->r_addend;
}
+#define ARCH_LA_PLTENTER sh_gnu_pltenter
+#define ARCH_LA_PLTEXIT sh_gnu_pltexit
+
#endif /* !dl_machine_h */
-#ifdef RESOLVE
+#ifdef RESOLVE_MAP
/* SH never uses Elf32_Rel relocations. */
#define ELF_MACHINE_NO_REL 1
@@ -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 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 17:56:45 +0000