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authorUlrich Drepper <drepper@redhat.com>2005-01-23 05:13:53 +0000
committerUlrich Drepper <drepper@redhat.com>2005-01-23 05:13:53 +0000
commit4bf1073d85f285002d802d184985757b8c4a5192 (patch)
treea94e35bbf19291b274ae41b4a0f96cd558e90807 /sysdeps
parent9c9628d9b411ffc68b11468affc7867d10f0d651 (diff)
downloadglibc-4bf1073d85f285002d802d184985757b8c4a5192.tar.gz
glibc-4bf1073d85f285002d802d184985757b8c4a5192.tar.xz
glibc-4bf1073d85f285002d802d184985757b8c4a5192.zip
Update.
	* sysdeps/ia64/dl-machine.h: Remove PLT trampolines here.
	* sysdeps/ia64/dl-trampoline.S: New file.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/ia64/dl-machine.h129
-rw-r--r--sysdeps/ia64/dl-trampoline.S234
2 files changed, 235 insertions, 128 deletions
diff --git a/sysdeps/ia64/dl-machine.h b/sysdeps/ia64/dl-machine.h
index 3108047869..1a00d18a38 100644
--- a/sysdeps/ia64/dl-machine.h
+++ b/sysdeps/ia64/dl-machine.h
@@ -1,5 +1,5 @@
 /* Machine-dependent ELF dynamic relocation inline functions.  IA-64 version.
-   Copyright (C) 1995-1997, 2000-2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1995-1997, 2000-2004, 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
@@ -140,133 +140,6 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 }
 
 
-/*
-   This code is used in dl-runtime.c to call the `fixup' function
-   and then redirect to the address it returns. `fixup()' takes two
-   arguments, however profile_fixup() takes three.
-
-   The ABI specifies that we will never see more than 8 input
-   registers to a function call, thus it is safe to simply allocate
-   those, and simpler than playing stack games.
-					                     - 12/09/99 Jes
- */
-#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name)			     \
-  extern void tramp_name (void);					     \
-  asm (									     \
-"	.global " #tramp_name "#\n"					     \
-"	.proc " #tramp_name "#\n"					     \
-#tramp_name ":\n"							     \
-"	{ .mmi\n"							     \
-"	  .prologue\n"							     \
-"	  .save ar.pfs, r40\n"						     \
-"	  alloc loc0 = ar.pfs, 8, 6, 3, 0\n"				     \
-"	  adds r2 = -144, r12\n"					     \
-"	  adds r3 = -128, r12\n"					     \
-"	}\n"								     \
-"	{ .mii\n"							     \
-"	  .fframe 160\n"						     \
-"	  adds r12 = -160, r12\n"					     \
-"	  .save rp, r41\n"						     \
-"	  mov loc1 = b0\n"						     \
-"	  .body\n"							     \
-"	  mov out2 = b0		/* needed by fixup_profile */\n"	     \
-"	  ;;\n"								     \
-"	}\n"								     \
-"	{ .mfb\n"							     \
-"	  mov loc2 = r8		/* preserve struct value register */\n"	     \
-"	  nop.f 0\n"							     \
-"	  nop.b 0\n"							     \
-"	}\n"								     \
-"	{ .mii\n"							     \
-"	  mov loc3 = r9		/* preserve language specific register */\n" \
-"	  mov loc4 = r10	/* preserve language specific register */\n" \
-"	  mov loc5 = r11	/* preserve language specific register */\n" \
-"	}\n"								     \
-"	{ .mmi\n"							     \
-"	  stf.spill [r2] = f8, 32\n"					     \
-"	  stf.spill [r3] = f9, 32\n"					     \
-"	  mov out0 = r16\n"						     \
-"	  ;;\n"								     \
-"	}\n"								     \
-"	{ .mmi\n"							     \
-"	  stf.spill [r2] = f10, 32\n"					     \
-"	  stf.spill [r3] = f11, 32\n"					     \
-"	  shl out1 = r15, 4\n"						     \
-"	  ;;\n"								     \
-"	}\n"								     \
-"	{ .mmi\n"							     \
-"	  stf.spill [r2] = f12, 32\n"					     \
-"	  stf.spill [r3] = f13, 32\n"					     \
-"	  shladd out1 = r15, 3, out1\n"					     \
-"	  ;;\n"								     \
-"	}\n"								     \
-"	{ .mmb\n"							     \
-"	  stf.spill [r2] = f14\n"					     \
-"	  stf.spill [r3] = f15\n"					     \
-"	  br.call.sptk.many b0 = " #fixup_name "#\n"			     \
-"	}\n"								     \
-"	{ .mii\n"							     \
-"	  ld8 r9 = [ret0], 8\n"						     \
-"	  adds r2 = 16, r12\n"						     \
-"	  adds r3 = 32, r12\n"						     \
-"	  ;;\n"								     \
-"	}\n"								     \
-"	{ .mmi\n"							     \
-"	  ldf.fill f8 = [r2], 32\n"					     \
-"	  ldf.fill f9 = [r3], 32\n"					     \
-"	  mov b0 = loc1\n"						     \
-"	  ;;\n"								     \
-"	}\n"								     \
-"	{ .mmi\n"							     \
-"	  ldf.fill f10 = [r2], 32\n"					     \
-"	  ldf.fill f11 = [r3], 32\n"					     \
-"	  mov b6 = r9\n"						     \
-"	  ;;\n"								     \
-"	}\n"								     \
-"	{ .mmi\n"							     \
-"	  ldf.fill f12 = [r2], 32\n"					     \
-"	  ldf.fill f13 = [r3], 32\n"					     \
-"	  mov ar.pfs = loc0\n"						     \
-"	  ;;\n"								     \
-"	}\n"								     \
-"	{ .mmi\n"							     \
-"	  ldf.fill f14 = [r2], 32\n"					     \
-"	  ldf.fill f15 = [r3], 32\n"					     \
-"	  .restore sp		/* pop the unwind frame state */\n"	     \
-"	  adds r12 = 160, r12\n"					     \
-"	  ;;\n"								     \
-"	}\n"								     \
-"	{ .mii\n"							     \
-"	  mov r9 = loc3		/* restore language specific register */\n"  \
-"	  mov r10 = loc4	/* restore language specific register */\n"  \
-"	  mov r11 = loc5	/* restore language specific register */\n"  \
-"	}\n"								     \
-"	{ .mii\n"							     \
-"	  ld8 gp = [ret0]\n"						     \
-"	  mov r8 = loc2		/* restore struct value register */\n"	     \
-"	  ;;\n"								     \
-"	}\n"								     \
-"	/* An alloc is needed for the break system call to work.\n"	     \
-"	   We don't care about the old value of the pfs register.  */\n"     \
-"	{ .mmb\n"							     \
-"	  .prologue\n"							     \
-"	  .body\n"							     \
-"	  alloc r2 = ar.pfs, 0, 0, 8, 0\n"				     \
-"	  br.sptk.many b6\n"						     \
-"	  ;;\n"								     \
-"	}\n"								     \
-"	.endp " #tramp_name "#\n");
-
-#ifndef PROF
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE 				\
-  TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup);		\
-  TRAMPOLINE_TEMPLATE (_dl_runtime_profile, profile_fixup);
-#else
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE				\
-  TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup);		\
-  strong_alias (_dl_runtime_resolve, _dl_runtime_profile);
-#endif
-
 /* Undo the adds out0 = 16, sp below to get at the value we want in
    __libc_stack_end.  */
 #define DL_STACK_END(cookie) \
diff --git a/sysdeps/ia64/dl-trampoline.S b/sysdeps/ia64/dl-trampoline.S
new file mode 100644
index 0000000000..12d7652e44
--- /dev/null
+++ b/sysdeps/ia64/dl-trampoline.S
@@ -0,0 +1,234 @@
+/* PLT trampolines.  ia64 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>
+
+/*
+   This code is used in dl-runtime.c to call the `fixup' function
+   and then redirect to the address it returns. `fixup()' takes two
+   arguments, however profile_fixup() takes three.
+
+   The ABI specifies that we will never see more than 8 input
+   registers to a function call, thus it is safe to simply allocate
+   those, and simpler than playing stack games.  */
+
+ENTRY(_dl_runtime_resolve)
+	{ .mmi
+	  .prologue
+	  .save ar.pfs, r40
+	  alloc loc0 = ar.pfs, 8, 6, 3, 0
+	  adds r2 = -144, r12
+	  adds r3 = -128, r12
+	}
+	{ .mii
+	  .fframe 160
+	  adds r12 = -160, r12
+	  .save rp, r41
+	  mov loc1 = b0
+	  .body
+	  mov out2 = b0		/* needed by fixup_profile */
+	  ;;
+	}
+	{ .mfb
+	  mov loc2 = r8		/* preserve struct value register */
+	  nop.f 0
+	  nop.b 0
+	}
+	{ .mii
+	  mov loc3 = r9		/* preserve language specific register */
+	  mov loc4 = r10	/* preserve language specific register */
+	  mov loc5 = r11	/* preserve language specific register */
+	}
+	{ .mmi
+	  stf.spill [r2] = f8, 32
+	  stf.spill [r3] = f9, 32
+	  mov out0 = r16
+	  ;;
+	}
+	{ .mmi
+	  stf.spill [r2] = f10, 32
+	  stf.spill [r3] = f11, 32
+	  shl out1 = r15, 4
+	  ;;
+	}
+	{ .mmi
+	  stf.spill [r2] = f12, 32
+	  stf.spill [r3] = f13, 32
+	  shladd out1 = r15, 3, out1
+	  ;;
+	}
+	{ .mmb
+	  stf.spill [r2] = f14
+	  stf.spill [r3] = f15
+	  br.call.sptk.many b0 = fixup
+	}
+	{ .mii
+	  ld8 r9 = [ret0], 8
+	  adds r2 = 16, r12
+	  adds r3 = 32, r12
+	  ;;
+	}
+	{ .mmi
+	  ldf.fill f8 = [r2], 32
+	  ldf.fill f9 = [r3], 32
+	  mov b0 = loc1
+	  ;;
+	}
+	{ .mmi
+	  ldf.fill f10 = [r2], 32
+	  ldf.fill f11 = [r3], 32
+	  mov b6 = r9
+	  ;;
+	}
+	{ .mmi
+	  ldf.fill f12 = [r2], 32
+	  ldf.fill f13 = [r3], 32
+	  mov ar.pfs = loc0
+	  ;;
+	}
+	{ .mmi
+	  ldf.fill f14 = [r2], 32
+	  ldf.fill f15 = [r3], 32
+	  .restore sp		/* pop the unwind frame state */
+	  adds r12 = 160, r12
+	  ;;
+	}
+	{ .mii
+	  mov r9 = loc3		/* restore language specific register */
+	  mov r10 = loc4	/* restore language specific register */
+	  mov r11 = loc5	/* restore language specific register */
+	}
+	{ .mii
+	  ld8 gp = [ret0]
+	  mov r8 = loc2		/* restore struct value register */
+	  ;;
+	}
+	/* An alloc is needed for the break system call to work.
+	   We don't care about the old value of the pfs register.  */
+	{ .mmb
+	  .prologue
+	  .body
+	  alloc r2 = ar.pfs, 0, 0, 8, 0
+	  br.sptk.many b6
+	  ;;
+	}
+END (_dl_runtime_resolve)
+
+
+ENTRY(_dl_runtime_profile)
+	{ .mmi
+	  .prologue
+	  .save ar.pfs, r40
+	  alloc loc0 = ar.pfs, 8, 6, 3, 0
+	  adds r2 = -144, r12
+	  adds r3 = -128, r12
+	}
+	{ .mii
+	  .fframe 160
+	  adds r12 = -160, r12
+	  .save rp, r41
+	  mov loc1 = b0
+	  .body
+	  mov out2 = b0		/* needed by fixup_profile */
+	  ;;
+	}
+	{ .mfb
+	  mov loc2 = r8		/* preserve struct value register */
+	  nop.f 0
+	  nop.b 0
+	}
+	{ .mii
+	  mov loc3 = r9		/* preserve language specific register */
+	  mov loc4 = r10	/* preserve language specific register */
+	  mov loc5 = r11	/* preserve language specific register */
+	}
+	{ .mmi
+	  stf.spill [r2] = f8, 32
+	  stf.spill [r3] = f9, 32
+	  mov out0 = r16
+	  ;;
+	}
+	{ .mmi
+	  stf.spill [r2] = f10, 32
+	  stf.spill [r3] = f11, 32
+	  shl out1 = r15, 4
+	  ;;
+	}
+	{ .mmi
+	  stf.spill [r2] = f12, 32
+	  stf.spill [r3] = f13, 32
+	  shladd out1 = r15, 3, out1
+	  ;;
+	}
+	{ .mmb
+	  stf.spill [r2] = f14
+	  stf.spill [r3] = f15
+	  br.call.sptk.many b0 = profile_fixup
+	}
+	{ .mii
+	  ld8 r9 = [ret0], 8
+	  adds r2 = 16, r12
+	  adds r3 = 32, r12
+	  ;;
+	}
+	{ .mmi
+	  ldf.fill f8 = [r2], 32
+	  ldf.fill f9 = [r3], 32
+	  mov b0 = loc1
+	  ;;
+	}
+	{ .mmi
+	  ldf.fill f10 = [r2], 32
+	  ldf.fill f11 = [r3], 32
+	  mov b6 = r9
+	  ;;
+	}
+	{ .mmi
+	  ldf.fill f12 = [r2], 32
+	  ldf.fill f13 = [r3], 32
+	  mov ar.pfs = loc0
+	  ;;
+	}
+	{ .mmi
+	  ldf.fill f14 = [r2], 32
+	  ldf.fill f15 = [r3], 32
+	  .restore sp		/* pop the unwind frame state */
+	  adds r12 = 160, r12
+	  ;;
+	}
+	{ .mii
+	  mov r9 = loc3		/* restore language specific register */
+	  mov r10 = loc4	/* restore language specific register */
+	  mov r11 = loc5	/* restore language specific register */
+	}
+	{ .mii
+	  ld8 gp = [ret0]
+	  mov r8 = loc2		/* restore struct value register */
+	  ;;
+	}
+	/* An alloc is needed for the break system call to work.
+	   We don't care about the old value of the pfs register.  */
+	{ .mmb
+	  .prologue
+	  .body
+	  alloc r2 = ar.pfs, 0, 0, 8, 0
+	  br.sptk.many b6
+	  ;;
+	}
+END (_dl_runtime_profile)