aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/sh/dl-machine.h
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2005-01-12 03:12:43 +0000
committerUlrich Drepper <drepper@redhat.com>2005-01-12 03:12:43 +0000
commit537e7234f77be5ceab819b701fb173fb859e0605 (patch)
treee41492fb8920cbf169ede6ec5dd8dfcd5f3835a1 /sysdeps/sh/dl-machine.h
parent8bf139c95b0d14b942307006120a6c7d084c7aa9 (diff)
downloadglibc-537e7234f77be5ceab819b701fb173fb859e0605.zip
glibc-537e7234f77be5ceab819b701fb173fb859e0605.tar.gz
glibc-537e7234f77be5ceab819b701fb173fb859e0605.tar.bz2
* grp/putgrent.c (putgrent): Don't write 0 as group
ID if groupname starts with + or -. * pwd/putpwent.c (putpwent): Don't write 0 as user or group ID if user name starts with + or -. 2005-01-09 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/generic/ldsodefs.h (struct audit_ifaces): Add sh variants. * sysdeps/elf/tst-auditmod1.c: Add sh support. * sysdeps/sh/bits/link.h: New. * sysdeps/sh/dl-machine.h: Remove trampoline code here. Define ARCH_LA_PLTENTER and ARCH_LA_PLTEXIT. Remove obsolete comments. (RTLD_START): Define __fpscr_values. * sysdeps/sh/dl-trampoline.S: New file. * sysdeps/sh/sh4/dl-trampoline.S: New file. * sysdeps/sh/sh4/Versions [ld]: Add __fpscr_values. * sysdeps/sh/sh4/dl-machine.h: Remove. 2005-01-10 Jakub Jelinek <jakub@redhat.com> * time/tst-strptime.c (day_tests): Add 2 new tests. (test_tm, main): Issue an error instead of segfaulting if strptime returns NULL. 2005-01-10 H.J. Lu <hongjiu.lu@intel.com> * sysdeps/alpha/libc-tls.c (__tls_get_addr): Updated for dtv_t union. * sysdeps/ia64/libc-tls.c (__tls_get_addr): Likewise.
Diffstat (limited to 'sysdeps/sh/dl-machine.h')
-rw-r--r--sysdeps/sh/dl-machine.h293
1 files changed, 17 insertions, 276 deletions
diff --git a/sysdeps/sh/dl-machine.h b/sysdeps/sh/dl-machine.h
index 271666a..2b21f1b 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
@@ -579,17 +323,14 @@ 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
+#ifndef 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;
+ value += sym->st_value;
#endif
value += reloc->r_addend;
@@ -736,4 +477,4 @@ 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 */