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-rw-r--r--sysdeps/powerpc/powerpc64/bits/link.h109
-rw-r--r--sysdeps/powerpc/powerpc64/dl-lookupcfg.h22
-rw-r--r--sysdeps/powerpc/powerpc64/dl-machine.h96
-rw-r--r--sysdeps/powerpc/powerpc64/dl-trampoline.S196
4 files changed, 313 insertions, 110 deletions
diff --git a/sysdeps/powerpc/powerpc64/bits/link.h b/sysdeps/powerpc/powerpc64/bits/link.h
new file mode 100644
index 0000000000..863336241a
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/bits/link.h
@@ -0,0 +1,109 @@
+/* Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _LINK_H
+# error "Never include <bits/link.h> directly; use <link.h> instead."
+#endif
+
+
+#if __ELF_NATIVE_CLASS == 32
+
+/* Registers for entry into PLT on PPC32. */
+typedef struct La_ppc32_regs
+{
+ uint32_t lr_reg[8];
+ double lr_fp[8];
+ uint32_t lr_vreg[12][4];
+ uint32_t lr_r1;
+ uint32_t lr_lr;
+} La_ppc32_regs;
+
+/* Return values for calls from PLT on PPC32. */
+typedef struct La_ppc32_retval
+{
+ uint32_t lrv_r3;
+ uint32_t lrv_r4;
+ double lrv_fp[8];
+ uint32_t lrv_v2[4];
+} La_ppc32_retval;
+
+
+__BEGIN_DECLS
+
+extern Elf32_Addr la_ppc32_gnu_pltenter (Elf32_Sym *__sym,
+ unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ La_ppc32_regs *__regs,
+ unsigned int *__flags,
+ const char *__symname,
+ long int *__framesizep);
+extern unsigned int la_ppc32_gnu_pltexit (Elf32_Sym *__sym,
+ unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ const La_ppc32_regs *__inregs,
+ La_ppc32_retval *__outregs,
+ const char *symname);
+
+__END_DECLS
+
+#else
+
+/* Registers for entry into PLT on PPC64. */
+typedef struct La_ppc64_regs
+{
+ uint64_t lr_reg[8];
+ double lr_fp[13];
+ uint64_t __padding;
+ uint32_t lr_vreg[12][4];
+ uint64_t lr_r1;
+ uint64_t lr_lr;
+} La_ppc64_regs;
+
+/* Return values for calls from PLT on PPC64. */
+typedef struct La_ppc64_retval
+{
+ uint64_t lrv_r3;
+ uint64_t lrv_r4;
+ double lrv_fp[8];
+ uint32_t lrv_v2[4];
+} La_ppc64_retval;
+
+
+__BEGIN_DECLS
+
+extern Elf64_Addr la_ppc64_gnu_pltenter (Elf64_Sym *__sym,
+ unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ La_ppc64_regs *__regs,
+ unsigned int *__flags,
+ const char *__symname,
+ long int *__framesizep);
+extern unsigned int la_ppc64_gnu_pltexit (Elf64_Sym *__sym,
+ unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ const La_ppc64_regs *__inregs,
+ La_ppc64_retval *__outregs,
+ const char *symname);
+
+__END_DECLS
+
+#endif
diff --git a/sysdeps/powerpc/powerpc64/dl-lookupcfg.h b/sysdeps/powerpc/powerpc64/dl-lookupcfg.h
index e502941015..e69de29bb2 100644
--- a/sysdeps/powerpc/powerpc64/dl-lookupcfg.h
+++ b/sysdeps/powerpc/powerpc64/dl-lookupcfg.h
@@ -1,22 +0,0 @@
-/* Configuration of lookup functions. PowerPC64 version.
- Copyright (C) 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-/* Return the symbol map from the symbol lookup function. */
-
-#define DL_LOOKUP_RETURNS_MAP 1
diff --git a/sysdeps/powerpc/powerpc64/dl-machine.h b/sysdeps/powerpc/powerpc64/dl-machine.h
index 3fcf77df71..5ddc22e3c9 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. */
@@ -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
diff --git a/sysdeps/powerpc/powerpc64/dl-trampoline.S b/sysdeps/powerpc/powerpc64/dl-trampoline.S
new file mode 100644
index 0000000000..316f17a405
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/dl-trampoline.S
@@ -0,0 +1,196 @@
+/* PLT trampolines. PPC64 version.
+ Copyright (C) 2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+
+ .section ".text"
+
+EALIGN(_dl_runtime_resolve, 4, 0)
+/* We need to save the registers used to pass parameters, ie. r3 thru
+ r10; the registers are saved in a stack frame. */
+ stdu r1,-128(r1)
+ std r3,48(r1)
+ mr r3,r11
+ std r4,56(r1)
+ sldi r4,r0,1
+ std r5,64(r1)
+ add r4,r4,r0
+ std r6,72(r1)
+ sldi r4,r4,3
+ std r7,80(r1)
+ mflr r0
+ std r8,88(r1)
+/* Store the LR in the LR Save area of the previous frame. */
+ std r0,128+16(r1)
+ mfcr r0
+ std r9,96(r1)
+ std r10,104(r1)
+/* I'm almost certain we don't have to save cr... be safe. */
+ std r0,8(r1)
+ bl JUMPTARGET(_dl_fixup)
+/* Put the registers back. */
+ ld r0,128+16(r1)
+ ld r10,104(r1)
+ ld r9,96(r1)
+ ld r8,88(r1)
+ ld r7,80(r1)
+ mtlr r0
+ ld r0,8(r1)
+ ld r6,72(r1)
+ ld r5,64(r1)
+ ld r4,56(r1)
+ mtcrf 0xFF,r0
+/* Load the target address, toc and static chain reg from the function
+ descriptor returned by fixup. */
+ ld r0,0(r3)
+ ld r2,8(r3)
+ mtctr r0
+ ld r11,16(r3)
+ ld r3,48(r1)
+/* Unwind the stack frame, and jump. */
+ addi r1,r1,128
+ bctr
+END(_dl_runtime_resolve)
+
+
+
+EALIGN(_dl_profile_resolve, 4, 0)
+/* We need to save the registers used to pass parameters, ie. r3 thru
+ r10; the registers are saved in a stack frame. */
+ stdu r1,-448(r1)
+ /* Stack layout:
+
+ +432 stackframe
+ +424 lr
+ +416 r1
+ +400 v12
+ +384 v11
+ +368 v10
+ +362 v9
+ +336 v8
+ +320 v7
+ +304 v6
+ +288 v5
+ +272 v4
+ +256 v3
+ +240 v2
+ +224 v1
+ +216 free
+ +208 fp13
+ +200 fp12
+ +192 fp11
+ +184 fp10
+ +176 fp9
+ +168 fp8
+ +160 fp7
+ +152 fp6
+ +144 fp5
+ +136 fp4
+ +128 fp3
+ +120 fp2
+ +112 fp1
+ +104 r10
+ +96 r9
+ +88 r8
+ +80 r7
+ +72 r6
+ +64 r5
+ +56 r4
+ +48 r3
+ +8 cr
+ r1 link
+ */
+ std r3,48(r1)
+ mr r3,r11
+ std r4,56(r1)
+ sldi r4,r0,1
+ std r5,64(r1)
+ add r4,r4,0
+ std r6,72(r1)
+ sldi r4,r4,3
+ std r7,80(r1)
+ mflr r5
+ std r8,88(r1)
+/* Store the LR in the LR Save area of the previous frame. */
+/* XXX Do we have to do this? */
+ std r5,448+16(r1)
+ std r5,424(r1)
+ mfcr r0
+ std r9,96(r1)
+ std r10,104(r1)
+/* I'm almost certain we don't have to save cr... be safe. */
+ std r0,8(r1)
+/* Save floating registers. */
+ stfd fp1,112(r1)
+ stfd fp2,120(r1)
+ stfd fp3,128(r1)
+ stfd fp4,136(r1)
+ stfd fp5,144(r1)
+ stfd fp6,152(r1)
+ stfd fp7,160(r1)
+ stfd fp8,168(r1)
+ stfd fp9,176(r1)
+ stfd fp10,184(r1)
+ stfd fp11,192(r1)
+ stfd fp12,200(r1)
+ stfd fp13,208(r1)
+/* XXX TODO: store vmx registers. */
+/* Load the extra parameters. */
+ addi r6,r1,48
+ addi r7,r1,432
+ li r0,-1
+ stdu r0,0(r7)
+ bl JUMPTARGET(_dl_profile_fixup)
+/* Put the registers back. */
+ ld r0,448+16(r1)
+ ld r10,104(r1)
+ ld r9,96(r1)
+ ld r8,88(r1)
+ ld r7,80(r1)
+ mtlr r0
+ ld r0,8(r1)
+ ld r6,72(r1)
+ ld r5,64(r1)
+ ld r4,56(r1)
+ mtcrf 0xFF,r0
+/* Load the target address, toc and static chain reg from the function
+ descriptor returned by fixup. */
+ ld r0,0(r3)
+ ld r2,8(r3)
+ mtctr r0
+ ld r11,16(r3)
+ ld r3,48(r1)
+/* Load the floating point registers. */
+ lfd fp1,112(r1)
+ lfd fp2,120(r1)
+ lfd fp3,128(r1)
+ lfd fp4,136(r1)
+ lfd fp5,144(r1)
+ lfd fp6,152(r1)
+ lfd fp7,160(r1)
+ lfd fp8,168(r1)
+ lfd fp9,176(r1)
+ lfd fp10,184(r1)
+ lfd fp11,192(r1)
+ lfd fp12,200(r1)
+ lfd fp13,208(r1)
+/* Unwind the stack frame, and jump. */
+ addi r1,r1,448
+ bctr
+END(_dl_profile_resolve)
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-12 02:43:31 +0000