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-rw-r--r--sysdeps/sh/dl-machine.h299
1 files changed, 282 insertions, 17 deletions
diff --git a/sysdeps/sh/dl-machine.h b/sysdeps/sh/dl-machine.h
index e73c6d79c3..271666a2a3 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, 2005
+   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -21,6 +21,8 @@
 #ifndef dl_machine_h
 #define dl_machine_h
 
+/* Only dummy. This doesn't work. */
+
 #define ELF_MACHINE_NAME "SH"
 
 #include <sys/param.h>
@@ -104,9 +106,7 @@ 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.  */
-	  if (GLRO(dl_profile) != NULL
-	      && _dl_name_match_p (GLRO(dl_profile), l))
-	    GL(dl_profile_map) = l;
+	  GL(dl_profile_map) = l;
 	}
       else
 	/* This function will get called to fix up the GOT entry indicated by
@@ -116,8 +116,273 @@ 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
@@ -194,12 +459,6 @@ _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\
 ");
 
@@ -251,16 +510,13 @@ 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
+
 /* 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.  */
 
@@ -323,9 +579,18 @@ 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_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+      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 += reloc->r_addend;
 
       switch (r_type)
@@ -471,4 +736,4 @@ elf_machine_lazy_rel (struct link_map *map,
     _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 1);
 }
 
-#endif /* RESOLVE_MAP */
+#endif /* RESOLVE */
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-18 20:35:16 +0000