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-rw-r--r--sysdeps/powerpc/powerpc64/dl-machine.h121
1 files changed, 21 insertions, 100 deletions
diff --git a/sysdeps/powerpc/powerpc64/dl-machine.h b/sysdeps/powerpc/powerpc64/dl-machine.h
index 3fcf77df71..cec271bb3a 100644
--- a/sysdeps/powerpc/powerpc64/dl-machine.h
+++ b/sysdeps/powerpc/powerpc64/dl-machine.h
@@ -1,6 +1,6 @@
 /* Machine-dependent ELF dynamic relocation inline functions.
    PowerPC64 version.
-   Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+   Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -107,92 +107,6 @@ elf_machine_dynamic (void)
 /* The PLT uses Elf64_Rela relocs.  */
 #define elf_machine_relplt elf_machine_rela
 
-/* This code gets called via a .glink stub which loads PLT0.  It is
-   used in dl-runtime.c to call the `fixup' function and then redirect
-   to the address `fixup' returns.
-
-   Enter with r0 = plt reloc index,
-   r2 = ld.so tocbase,
-   r11 = ld.so link map.  */
-
-#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \
-  asm (".section \".text\"\n"						\
-"	.align	2\n"							\
-"	.type	" BODY_PREFIX #tramp_name ",@function\n"		\
-"	.section \".opd\",\"aw\"\n"					\
-"	.align	3\n"							\
-"	.globl	" #tramp_name "\n"					\
-"	" ENTRY_2(tramp_name) "\n"					\
-#tramp_name ":\n"							\
-"	" OPD_ENT(tramp_name) "\n"					\
-"	.previous\n"							\
-BODY_PREFIX #tramp_name ":\n"						\
-/* We need to save the registers used to pass parameters, ie. r3 thru	\
-   r10; the registers are saved in a stack frame.  */			\
-"	stdu	1,-128(1)\n"						\
-"	std	3,48(1)\n"						\
-"	mr	3,11\n"							\
-"	std	4,56(1)\n"						\
-"	sldi	4,0,1\n"						\
-"	std	5,64(1)\n"						\
-"	add	4,4,0\n"						\
-"	std	6,72(1)\n"						\
-"	sldi	4,4,3\n"						\
-"	std	7,80(1)\n"						\
-"	mflr	0\n"							\
-"	std	8,88(1)\n"						\
-/* Store the LR in the LR Save area of the previous frame.  */    	\
-"	std	0,128+16(1)\n"						\
-"	mfcr	0\n"							\
-"	std	9,96(1)\n"						\
-"	std	10,104(1)\n"						\
-/* I'm almost certain we don't have to save cr...  be safe.  */    	\
-"	std	0,8(1)\n"						\
-"	bl	" DOT_PREFIX #fixup_name "\n"				\
-/* Put the registers back.  */						\
-"	ld	0,128+16(1)\n"						\
-"	ld	10,104(1)\n"						\
-"	ld	9,96(1)\n"						\
-"	ld	8,88(1)\n"						\
-"	ld	7,80(1)\n"						\
-"	mtlr	0\n"							\
-"	ld	0,8(1)\n"						\
-"	ld	6,72(1)\n"						\
-"	ld	5,64(1)\n"						\
-"	ld	4,56(1)\n"						\
-"	mtcrf	0xFF,0\n"						\
-/* Load the target address, toc and static chain reg from the function  \
-   descriptor returned by fixup.  */					\
-"	ld	0,0(3)\n"						\
-"	ld	2,8(3)\n"						\
-"	mtctr	0\n"							\
-"	ld	11,16(3)\n"						\
-"	ld	3,48(1)\n"						\
-/* Unwind the stack frame, and jump.  */				\
-"	addi	1,1,128\n"						\
-"	bctr\n"								\
-".LT_" #tramp_name ":\n"						\
-"	.long 0\n"							\
-"	.byte 0x00,0x0c,0x24,0x40,0x00,0x00,0x00,0x00\n"		\
-"	.long .LT_" #tramp_name "-" BODY_PREFIX #tramp_name "\n"	\
-"	.short .LT_" #tramp_name "_name_end-.LT_" #tramp_name "_name_start\n" \
-".LT_" #tramp_name "_name_start:\n"					\
-"	.ascii \"" #tramp_name "\"\n"					\
-".LT_" #tramp_name "_name_end:\n"					\
-"	.align 2\n"							\
-"	" END_2(tramp_name) "\n"					\
-"	.previous");
-
-#ifndef PROF
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE			\
-  TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup);	\
-  TRAMPOLINE_TEMPLATE (_dl_profile_resolve, profile_fixup);
-#else
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE			\
-  TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup);	\
-  void _dl_runtime_resolve (void);			\
-  strong_alias (_dl_runtime_resolve, _dl_profile_resolve);
-#endif
 
 #ifdef HAVE_INLINED_SYSCALLS
 /* We do not need _dl_starting_up.  */
@@ -208,16 +122,16 @@ BODY_PREFIX #tramp_name ":\n"						\
    `_dl_start' is the real entry point; its return value is the user
    program's entry point.  */
 #define RTLD_START \
-  asm (".section \".text\"\n"						\
+  asm (".pushsection \".text\"\n"					\
 "	.align	2\n"							\
 "	.type	" BODY_PREFIX "_start,@function\n"			\
-"	.section \".opd\",\"aw\"\n"					\
+"	.pushsection \".opd\",\"aw\"\n"					\
 "	.align	3\n"							\
 "	.globl	_start\n"						\
 "	" ENTRY_2(_start) "\n"						\
 "_start:\n"								\
 "	" OPD_ENT(_start) "\n"						\
-"	.previous\n"							\
+"	.popsection\n"							\
 BODY_PREFIX "_start:\n"							\
 /* We start with the following on the stack, from top:			\
    argc (4 bytes);							\
@@ -243,11 +157,11 @@ BODY_PREFIX "_start:\n"							\
 "	.align 2\n"							\
 "	" END_2(_start) "\n"						\
 "	.globl	_dl_start_user\n"					\
-"	.section \".opd\",\"aw\"\n"					\
+"	.pushsection \".opd\",\"aw\"\n"					\
 "_dl_start_user:\n"							\
 "	" OPD_ENT(_dl_start_user) "\n"					\
-"	.previous\n"							\
-"	.section	\".toc\",\"aw\"\n"				\
+"	.popsection\n"							\
+"	.pushsection	\".toc\",\"aw\"\n"				\
 DL_STARTING_UP_DEF							\
 ".LC__rtld_global:\n"							\
 "	.tc _rtld_global[TC],_rtld_global\n"				\
@@ -257,7 +171,7 @@ DL_STARTING_UP_DEF							\
 "	.tc _dl_argv_internal[TC],_dl_argv_internal\n"			\
 ".LC__dl_fini:\n"							\
 "	.tc _dl_fini[TC],_dl_fini\n"					\
-"	.previous\n"							\
+"	.popsection\n"							\
 "	.type	" BODY_PREFIX "_dl_start_user,@function\n"		\
 "	" ENTRY_2(_dl_start_user) "\n"					\
 /* Now, we do our main work of calling initialisation procedures.	\
@@ -331,7 +245,7 @@ BODY_PREFIX "_dl_start_user:\n"						\
 ".LT__dl_start_user_name_end:\n"					\
 "	.align 2\n"							\
 "	" END_2(_dl_start_user) "\n"					\
-"	.previous");
+"	.popsection");
 
 /* Nonzero iff TYPE should not be allowed to resolve to one of
    the main executable's symbols, as for a COPY reloc.  */
@@ -420,7 +334,8 @@ elf_machine_runtime_setup (struct link_map *map, int lazy, int profile)
 
 	  resolve_fd = (Elf64_FuncDesc *) (profile ? _dl_profile_resolve
 					   : _dl_runtime_resolve);
-	  if (profile && _dl_name_match_p (GLRO(dl_profile), map))
+	  if (profile && GLRO(dl_profile) != NULL
+	      && _dl_name_match_p (GLRO(dl_profile), map))
 	    /* This is the object we are looking for.  Say that we really
 	       want profiling and the timers are started.  */
 	    GL(dl_profile_map) = map;
@@ -545,6 +460,11 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc,
   return value + reloc->r_addend;
 }
 
+
+/* Names of the architecture-specific auditing callback functions.  */
+#define ARCH_LA_PLTENTER ppc64_gnu_pltenter
+#define ARCH_LA_PLTEXIT ppc64_gnu_pltexit
+
 #endif /* dl_machine_h */
 
 #ifdef RESOLVE_MAP
@@ -567,7 +487,7 @@ extern void _dl_reloc_overflow (struct link_map *map,
                                 const Elf64_Sym *refsym)
                                 attribute_hidden;
 
-static inline void
+auto inline void __attribute__ ((always_inline))
 elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
 			   void *const reloc_addr_arg)
 {
@@ -577,7 +497,7 @@ elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
 
 #if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
 /* This computes the value used by TPREL* relocs.  */
-static Elf64_Addr __attribute__ ((const))
+auto inline Elf64_Addr __attribute__ ((always_inline, const))
 elf_machine_tprel (struct link_map *map,
 		   struct link_map *sym_map,
 		   const Elf64_Sym *sym,
@@ -598,7 +518,7 @@ elf_machine_tprel (struct link_map *map,
 
 /* Perform the relocation specified by RELOC and SYM (which is fully
    resolved).  MAP is the object containing the reloc.  */
-static inline void
+auto inline void __attribute__ ((always_inline))
 elf_machine_rela (struct link_map *map,
 		  const Elf64_Rela *reloc,
 		  const Elf64_Sym *sym,
@@ -883,11 +803,12 @@ elf_machine_rela (struct link_map *map,
   MODIFIED_CODE_NOQUEUE (reloc_addr);
 }
 
-static inline void
+auto inline void __attribute__ ((always_inline))
 elf_machine_lazy_rel (struct link_map *map,
 		      Elf64_Addr l_addr, const Elf64_Rela *reloc)
 {
   /* elf_machine_runtime_setup handles this.  */
 }
 
+
 #endif /* RESOLVE */
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-08-12 05:07:26 +0000