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GNU C Library master sources branch, master, updated. glibc-2.15-905-gf16af74
- From: hjl at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 15 May 2012 21:26:17 -0000
- Subject: GNU C Library master sources branch, master, updated. glibc-2.15-905-gf16af74
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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=f16af742175c8bdf536ebd97bf9fb33db925f02e
commit f16af742175c8bdf536ebd97bf9fb33db925f02e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue May 15 14:25:31 2012 -0700
Use R*_LP to load pointer and operate on stack
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 133af22..fc91c72 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,5 +1,17 @@
2012-05-15 H.J. Lu <hongjiu.lu@intel.com>
+ * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (lll_lock): Load
+ futex pointer into RDI_LP. Use RSP_LP to operate on stack.
+ (lll_robust_lock): Likewise.
+ (lll_cond_lock): Likewise.
+ (lll_robust_cond_lock): Likewise.
+ (lll_timedlock): Likewise.
+ (lll_robust_timedlock): Likewise.
+ (lll_unlock): Likewise.
+ (lll_robust_unlock): Likewise.
+
+2012-05-15 H.J. Lu <hongjiu.lu@intel.com>
+
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S: Use
LP_OP(cmp) and RCX_LP on dep_mutex pointer.
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
index 1f5b848..ad14185 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 2002-2004, 2006-2008, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2004, 2006-2008, 2009, 2012
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -298,10 +299,10 @@ LLL_STUB_UNWIND_INFO_END
".subsection 1\n\t" \
".type _L_lock_%=, @function\n" \
"_L_lock_%=:\n" \
- "1:\tleaq %2, %%rdi\n" \
- "2:\tsubq $128, %%rsp\n" \
+ "1:\tlea %2, %%" RDI_LP "\n" \
+ "2:\tsub $128, %%" RSP_LP "\n" \
"3:\tcallq __lll_lock_wait_private\n" \
- "4:\taddq $128, %%rsp\n" \
+ "4:\tadd $128, %%" RSP_LP "\n" \
"5:\tjmp 24f\n" \
"6:\t.size _L_lock_%=, 6b-1b\n\t" \
".previous\n" \
@@ -316,10 +317,10 @@ LLL_STUB_UNWIND_INFO_END
".subsection 1\n\t" \
".type _L_lock_%=, @function\n" \
"_L_lock_%=:\n" \
- "1:\tleaq %2, %%rdi\n" \
- "2:\tsubq $128, %%rsp\n" \
+ "1:\tlea %2, %%" RDI_LP "\n" \
+ "2:\tsub $128, %%" RSP_LP "\n" \
"3:\tcallq __lll_lock_wait\n" \
- "4:\taddq $128, %%rsp\n" \
+ "4:\tadd $128, %%" RSP_LP "\n" \
"5:\tjmp 24f\n" \
"6:\t.size _L_lock_%=, 6b-1b\n\t" \
".previous\n" \
@@ -338,10 +339,10 @@ LLL_STUB_UNWIND_INFO_END
".subsection 1\n\t" \
".type _L_robust_lock_%=, @function\n" \
"_L_robust_lock_%=:\n" \
- "1:\tleaq %2, %%rdi\n" \
- "2:\tsubq $128, %%rsp\n" \
+ "1:\tlea %2, %%" RDI_LP "\n" \
+ "2:\tsub $128, %%" RSP_LP "\n" \
"3:\tcallq __lll_robust_lock_wait\n" \
- "4:\taddq $128, %%rsp\n" \
+ "4:\tadd $128, %%" RSP_LP "\n" \
"5:\tjmp 24f\n" \
"6:\t.size _L_robust_lock_%=, 6b-1b\n\t" \
".previous\n" \
@@ -361,10 +362,10 @@ LLL_STUB_UNWIND_INFO_END
".subsection 1\n\t" \
".type _L_cond_lock_%=, @function\n" \
"_L_cond_lock_%=:\n" \
- "1:\tleaq %2, %%rdi\n" \
- "2:\tsubq $128, %%rsp\n" \
+ "1:\tlea %2, %%" RDI_LP "\n" \
+ "2:\tsub $128, %%" RSP_LP "\n" \
"3:\tcallq __lll_lock_wait\n" \
- "4:\taddq $128, %%rsp\n" \
+ "4:\tadd $128, %%" RSP_LP "\n" \
"5:\tjmp 24f\n" \
"6:\t.size _L_cond_lock_%=, 6b-1b\n\t" \
".previous\n" \
@@ -383,10 +384,10 @@ LLL_STUB_UNWIND_INFO_END
".subsection 1\n\t" \
".type _L_robust_cond_lock_%=, @function\n" \
"_L_robust_cond_lock_%=:\n" \
- "1:\tleaq %2, %%rdi\n" \
- "2:\tsubq $128, %%rsp\n" \
+ "1:\tlea %2, %%" RDI_LP "\n" \
+ "2:\tsub $128, %%" RSP_LP "\n" \
"3:\tcallq __lll_robust_lock_wait\n" \
- "4:\taddq $128, %%rsp\n" \
+ "4:\tadd $128, %%" RSP_LP "\n" \
"5:\tjmp 24f\n" \
"6:\t.size _L_robust_cond_lock_%=, 6b-1b\n\t" \
".previous\n" \
@@ -406,11 +407,11 @@ LLL_STUB_UNWIND_INFO_END
".subsection 1\n\t" \
".type _L_timedlock_%=, @function\n" \
"_L_timedlock_%=:\n" \
- "1:\tleaq %4, %%rdi\n" \
+ "1:\tlea %4, %%" RDI_LP "\n" \
"0:\tmov %8, %%" RDX_LP "\n" \
- "2:\tsubq $128, %%rsp\n" \
+ "2:\tsub $128, %%" RSP_LP "\n" \
"3:\tcallq __lll_timedlock_wait\n" \
- "4:\taddq $128, %%rsp\n" \
+ "4:\tadd $128, %%" RSP_LP "\n" \
"5:\tjmp 24f\n" \
"6:\t.size _L_timedlock_%=, 6b-1b\n\t" \
".previous\n" \
@@ -430,11 +431,11 @@ LLL_STUB_UNWIND_INFO_END
".subsection 1\n\t" \
".type _L_robust_timedlock_%=, @function\n" \
"_L_robust_timedlock_%=:\n" \
- "1:\tleaq %4, %%rdi\n" \
+ "1:\tlea %4, %%" RDI_LP "\n" \
"0:\tmov %8, %%" RDX_LP "\n" \
- "2:\tsubq $128, %%rsp\n" \
+ "2:\tsub $128, %%" RSP_LP "\n" \
"3:\tcallq __lll_robust_timedlock_wait\n" \
- "4:\taddq $128, %%rsp\n" \
+ "4:\tadd $128, %%" RSP_LP "\n" \
"5:\tjmp 24f\n" \
"6:\t.size _L_robust_timedlock_%=, 6b-1b\n\t" \
".previous\n" \
@@ -468,10 +469,10 @@ LLL_STUB_UNWIND_INFO_END
".subsection 1\n\t" \
".type _L_unlock_%=, @function\n" \
"_L_unlock_%=:\n" \
- "1:\tleaq %0, %%rdi\n" \
- "2:\tsubq $128, %%rsp\n" \
+ "1:\tlea %0, %%" RDI_LP "\n" \
+ "2:\tsub $128, %%" RSP_LP "\n" \
"3:\tcallq __lll_unlock_wake_private\n" \
- "4:\taddq $128, %%rsp\n" \
+ "4:\tadd $128, %%" RSP_LP "\n" \
"5:\tjmp 24f\n" \
"6:\t.size _L_unlock_%=, 6b-1b\n\t" \
".previous\n" \
@@ -485,10 +486,10 @@ LLL_STUB_UNWIND_INFO_END
".subsection 1\n\t" \
".type _L_unlock_%=, @function\n" \
"_L_unlock_%=:\n" \
- "1:\tleaq %0, %%rdi\n" \
- "2:\tsubq $128, %%rsp\n" \
+ "1:\tlea %0, %%" RDI_LP "\n" \
+ "2:\tsub $128, %%" RSP_LP "\n" \
"3:\tcallq __lll_unlock_wake\n" \
- "4:\taddq $128, %%rsp\n" \
+ "4:\tadd $128, %%" RSP_LP "\n" \
"5:\tjmp 24f\n" \
"6:\t.size _L_unlock_%=, 6b-1b\n\t" \
".previous\n" \
@@ -508,10 +509,10 @@ LLL_STUB_UNWIND_INFO_END
".subsection 1\n\t" \
".type _L_robust_unlock_%=, @function\n" \
"_L_robust_unlock_%=:\n" \
- "1:\tleaq %0, %%rdi\n" \
- "2:\tsubq $128, %%rsp\n" \
+ "1:\tlea %0, %%" RDI_LP "\n" \
+ "2:\tsub $128, %%" RSP_LP "\n" \
"3:\tcallq __lll_unlock_wake\n" \
- "4:\taddq $128, %%rsp\n" \
+ "4:\tadd $128, %%" RSP_LP "\n" \
"5:\tjmp 24f\n" \
"6:\t.size _L_robust_unlock_%=, 6b-1b\n\t" \
".previous\n" \
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=d86813a021b6200cf2ff75041abc101cefcb2da2
commit d86813a021b6200cf2ff75041abc101cefcb2da2
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue May 15 14:24:00 2012 -0700
Use R*_LP to call _dl_profile_fixup and frame size
diff --git a/ChangeLog b/ChangeLog
index 214ef35..06d3a4f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2012-05-15 H.J. Lu <hongjiu.lu@intel.com>
+ * sysdeps/x86_64/dl-trampoline.h: Use R*_LP to pass arguments
+ and access return value for _dl_profile_fixup. Use R10_LP to
+ load frame size.
+
+2012-05-15 H.J. Lu <hongjiu.lu@intel.com>
+
* sysdeps/unix/sysv/linux/x86_64/x32/init-first.c: New.
2012-05-15 H.J. Lu <hongjiu.lu@intel.com>
diff --git a/sysdeps/x86_64/dl-trampoline.h b/sysdeps/x86_64/dl-trampoline.h
index 4c18e69..0f3de3d 100644
--- a/sysdeps/x86_64/dl-trampoline.h
+++ b/sysdeps/x86_64/dl-trampoline.h
@@ -40,14 +40,14 @@
vmovdqa %xmm7, (LR_SIZE + XMM_SIZE*7)(%rsp)
#endif
- movq %rsp, %rcx # La_x86_64_regs pointer to %rcx.
- movq 48(%rbx), %rdx # Load return address if needed.
- movq 40(%rbx), %rsi # Copy args pushed by PLT in register.
- movq 32(%rbx), %rdi # %rdi: link_map, %rsi: reloc_index
- leaq 16(%rbx), %r8
+ mov %RSP_LP, %RCX_LP # La_x86_64_regs pointer to %rcx.
+ mov 48(%rbx), %RDX_LP # Load return address if needed.
+ mov 40(%rbx), %RSI_LP # Copy args pushed by PLT in register.
+ mov 32(%rbx), %RDI_LP # %rdi: link_map, %rsi: reloc_index
+ lea 16(%rbx), %R8_LP # Address of framesize
call _dl_profile_fixup # Call resolver.
- movq %rax, %r11 # Save return value.
+ mov %RAX_LP, %R11_LP # Save return value.
movq 8(%rbx), %rax # Get back register content.
movq LR_RDX_OFFSET(%rsp), %rdx
@@ -140,8 +140,8 @@
1:
#endif
- movq 16(%rbx), %r10 # Anything in framesize?
- testq %r10, %r10
+ mov 16(%rbx), %R10_LP # Anything in framesize?
+ test %R10_LP, %R10_LP
jns 3f
/* There's nothing in the frame size, so there
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++
nptl/ChangeLog | 12 ++++
nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h | 63 ++++++++++----------
sysdeps/x86_64/dl-trampoline.h | 16 +++---
4 files changed, 58 insertions(+), 39 deletions(-)
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