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Update.
* sysdeps/ia64/dl-machine.h: Remove PLT trampolines here. * sysdeps/ia64/dl-trampoline.S: New file.
This commit is contained in:
Ulrich Drepper
parent
9c9628d9b4
commit
4bf1073d85
@ -1,5 +1,8 @@
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2005-01-22 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/ia64/dl-machine.h: Remove PLT trampolines here.
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* sysdeps/ia64/dl-trampoline.S: New file.
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* sysdeps/x86_64/bits/link.h: Use namespace-safe identifiers in
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La_x86_64_xmm definition.
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@ -1,5 +1,5 @@
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/* Machine-dependent ELF dynamic relocation inline functions. IA-64 version.
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Copyright (C) 1995-1997, 2000-2003, 2004 Free Software Foundation, Inc.
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Copyright (C) 1995-1997, 2000-2004, 2005 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -140,133 +140,6 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
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}
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/*
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This code is used in dl-runtime.c to call the `fixup' function
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and then redirect to the address it returns. `fixup()' takes two
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arguments, however profile_fixup() takes three.
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The ABI specifies that we will never see more than 8 input
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registers to a function call, thus it is safe to simply allocate
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those, and simpler than playing stack games.
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- 12/09/99 Jes
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*/
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#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \
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extern void tramp_name (void); \
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asm ( \
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" .global " #tramp_name "#\n" \
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" .proc " #tramp_name "#\n" \
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#tramp_name ":\n" \
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" { .mmi\n" \
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" .prologue\n" \
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" .save ar.pfs, r40\n" \
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" alloc loc0 = ar.pfs, 8, 6, 3, 0\n" \
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" adds r2 = -144, r12\n" \
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" adds r3 = -128, r12\n" \
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" }\n" \
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" { .mii\n" \
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" .fframe 160\n" \
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" adds r12 = -160, r12\n" \
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" .save rp, r41\n" \
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" mov loc1 = b0\n" \
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" .body\n" \
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" mov out2 = b0 /* needed by fixup_profile */\n" \
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" ;;\n" \
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" }\n" \
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" { .mfb\n" \
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" mov loc2 = r8 /* preserve struct value register */\n" \
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" nop.f 0\n" \
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" nop.b 0\n" \
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" }\n" \
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" { .mii\n" \
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" mov loc3 = r9 /* preserve language specific register */\n" \
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" mov loc4 = r10 /* preserve language specific register */\n" \
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" mov loc5 = r11 /* preserve language specific register */\n" \
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" }\n" \
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" { .mmi\n" \
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" stf.spill [r2] = f8, 32\n" \
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" stf.spill [r3] = f9, 32\n" \
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" mov out0 = r16\n" \
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" ;;\n" \
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" }\n" \
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" { .mmi\n" \
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" stf.spill [r2] = f10, 32\n" \
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" stf.spill [r3] = f11, 32\n" \
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" shl out1 = r15, 4\n" \
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" ;;\n" \
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" }\n" \
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" { .mmi\n" \
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" stf.spill [r2] = f12, 32\n" \
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" stf.spill [r3] = f13, 32\n" \
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" shladd out1 = r15, 3, out1\n" \
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" ;;\n" \
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" }\n" \
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" { .mmb\n" \
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" stf.spill [r2] = f14\n" \
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" stf.spill [r3] = f15\n" \
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" br.call.sptk.many b0 = " #fixup_name "#\n" \
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" }\n" \
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" { .mii\n" \
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" ld8 r9 = [ret0], 8\n" \
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" adds r2 = 16, r12\n" \
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" adds r3 = 32, r12\n" \
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" ;;\n" \
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" }\n" \
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" { .mmi\n" \
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" ldf.fill f8 = [r2], 32\n" \
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" ldf.fill f9 = [r3], 32\n" \
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" mov b0 = loc1\n" \
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" ;;\n" \
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" }\n" \
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" { .mmi\n" \
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" ldf.fill f10 = [r2], 32\n" \
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" ldf.fill f11 = [r3], 32\n" \
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" mov b6 = r9\n" \
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" ;;\n" \
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" }\n" \
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" { .mmi\n" \
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" ldf.fill f12 = [r2], 32\n" \
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" ldf.fill f13 = [r3], 32\n" \
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" mov ar.pfs = loc0\n" \
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" ;;\n" \
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" }\n" \
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" { .mmi\n" \
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" ldf.fill f14 = [r2], 32\n" \
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" ldf.fill f15 = [r3], 32\n" \
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" .restore sp /* pop the unwind frame state */\n" \
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" adds r12 = 160, r12\n" \
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" ;;\n" \
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" }\n" \
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" { .mii\n" \
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" mov r9 = loc3 /* restore language specific register */\n" \
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" mov r10 = loc4 /* restore language specific register */\n" \
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" mov r11 = loc5 /* restore language specific register */\n" \
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" }\n" \
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" { .mii\n" \
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" ld8 gp = [ret0]\n" \
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" mov r8 = loc2 /* restore struct value register */\n" \
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" ;;\n" \
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" }\n" \
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" /* An alloc is needed for the break system call to work.\n" \
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" We don't care about the old value of the pfs register. */\n" \
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" { .mmb\n" \
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" .prologue\n" \
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" .body\n" \
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" alloc r2 = ar.pfs, 0, 0, 8, 0\n" \
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" br.sptk.many b6\n" \
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" ;;\n" \
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" }\n" \
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" .endp " #tramp_name "#\n");
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#ifndef PROF
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#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
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TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \
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TRAMPOLINE_TEMPLATE (_dl_runtime_profile, profile_fixup);
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#else
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#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
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TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \
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strong_alias (_dl_runtime_resolve, _dl_runtime_profile);
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#endif
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/* Undo the adds out0 = 16, sp below to get at the value we want in
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__libc_stack_end. */
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#define DL_STACK_END(cookie) \
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234
sysdeps/ia64/dl-trampoline.S
Normal file
234
sysdeps/ia64/dl-trampoline.S
Normal file
@ -0,0 +1,234 @@
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/* PLT trampolines. ia64 version.
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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/*
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This code is used in dl-runtime.c to call the `fixup' function
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and then redirect to the address it returns. `fixup()' takes two
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arguments, however profile_fixup() takes three.
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The ABI specifies that we will never see more than 8 input
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registers to a function call, thus it is safe to simply allocate
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those, and simpler than playing stack games. */
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ENTRY(_dl_runtime_resolve)
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{ .mmi
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.prologue
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.save ar.pfs, r40
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alloc loc0 = ar.pfs, 8, 6, 3, 0
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adds r2 = -144, r12
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adds r3 = -128, r12
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}
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{ .mii
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.fframe 160
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adds r12 = -160, r12
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.save rp, r41
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mov loc1 = b0
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.body
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mov out2 = b0 /* needed by fixup_profile */
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;;
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}
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{ .mfb
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mov loc2 = r8 /* preserve struct value register */
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nop.f 0
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nop.b 0
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}
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{ .mii
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mov loc3 = r9 /* preserve language specific register */
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mov loc4 = r10 /* preserve language specific register */
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mov loc5 = r11 /* preserve language specific register */
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}
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{ .mmi
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stf.spill [r2] = f8, 32
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stf.spill [r3] = f9, 32
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mov out0 = r16
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;;
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}
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{ .mmi
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stf.spill [r2] = f10, 32
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stf.spill [r3] = f11, 32
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shl out1 = r15, 4
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;;
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}
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{ .mmi
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stf.spill [r2] = f12, 32
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stf.spill [r3] = f13, 32
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shladd out1 = r15, 3, out1
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;;
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}
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{ .mmb
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stf.spill [r2] = f14
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stf.spill [r3] = f15
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br.call.sptk.many b0 = fixup
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}
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{ .mii
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ld8 r9 = [ret0], 8
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adds r2 = 16, r12
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adds r3 = 32, r12
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;;
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}
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{ .mmi
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ldf.fill f8 = [r2], 32
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ldf.fill f9 = [r3], 32
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mov b0 = loc1
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;;
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}
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{ .mmi
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ldf.fill f10 = [r2], 32
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ldf.fill f11 = [r3], 32
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mov b6 = r9
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;;
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}
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{ .mmi
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ldf.fill f12 = [r2], 32
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ldf.fill f13 = [r3], 32
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mov ar.pfs = loc0
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;;
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}
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{ .mmi
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ldf.fill f14 = [r2], 32
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ldf.fill f15 = [r3], 32
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.restore sp /* pop the unwind frame state */
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adds r12 = 160, r12
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;;
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}
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{ .mii
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mov r9 = loc3 /* restore language specific register */
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mov r10 = loc4 /* restore language specific register */
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mov r11 = loc5 /* restore language specific register */
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}
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{ .mii
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ld8 gp = [ret0]
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mov r8 = loc2 /* restore struct value register */
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;;
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}
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/* An alloc is needed for the break system call to work.
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We don't care about the old value of the pfs register. */
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{ .mmb
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.prologue
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.body
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alloc r2 = ar.pfs, 0, 0, 8, 0
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br.sptk.many b6
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;;
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}
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END (_dl_runtime_resolve)
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ENTRY(_dl_runtime_profile)
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{ .mmi
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.prologue
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.save ar.pfs, r40
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alloc loc0 = ar.pfs, 8, 6, 3, 0
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adds r2 = -144, r12
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adds r3 = -128, r12
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}
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{ .mii
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.fframe 160
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adds r12 = -160, r12
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.save rp, r41
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mov loc1 = b0
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.body
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mov out2 = b0 /* needed by fixup_profile */
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;;
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}
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{ .mfb
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mov loc2 = r8 /* preserve struct value register */
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nop.f 0
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nop.b 0
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}
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{ .mii
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mov loc3 = r9 /* preserve language specific register */
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mov loc4 = r10 /* preserve language specific register */
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mov loc5 = r11 /* preserve language specific register */
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}
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{ .mmi
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stf.spill [r2] = f8, 32
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stf.spill [r3] = f9, 32
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mov out0 = r16
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;;
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}
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{ .mmi
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stf.spill [r2] = f10, 32
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stf.spill [r3] = f11, 32
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shl out1 = r15, 4
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;;
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}
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{ .mmi
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stf.spill [r2] = f12, 32
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stf.spill [r3] = f13, 32
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shladd out1 = r15, 3, out1
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;;
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}
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{ .mmb
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stf.spill [r2] = f14
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stf.spill [r3] = f15
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br.call.sptk.many b0 = profile_fixup
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}
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{ .mii
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ld8 r9 = [ret0], 8
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adds r2 = 16, r12
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adds r3 = 32, r12
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;;
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}
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{ .mmi
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ldf.fill f8 = [r2], 32
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ldf.fill f9 = [r3], 32
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mov b0 = loc1
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;;
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}
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{ .mmi
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ldf.fill f10 = [r2], 32
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ldf.fill f11 = [r3], 32
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mov b6 = r9
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;;
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}
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{ .mmi
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ldf.fill f12 = [r2], 32
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ldf.fill f13 = [r3], 32
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mov ar.pfs = loc0
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;;
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}
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{ .mmi
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ldf.fill f14 = [r2], 32
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ldf.fill f15 = [r3], 32
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.restore sp /* pop the unwind frame state */
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adds r12 = 160, r12
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;;
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}
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{ .mii
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mov r9 = loc3 /* restore language specific register */
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mov r10 = loc4 /* restore language specific register */
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mov r11 = loc5 /* restore language specific register */
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}
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{ .mii
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ld8 gp = [ret0]
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mov r8 = loc2 /* restore struct value register */
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;;
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}
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/* An alloc is needed for the break system call to work.
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We don't care about the old value of the pfs register. */
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{ .mmb
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.prologue
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.body
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alloc r2 = ar.pfs, 0, 0, 8, 0
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br.sptk.many b6
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;;
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}
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END (_dl_runtime_profile)
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