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Gentoo's Bugzilla – Attachment 138329 Details for
Bug 202055
sys-libs/glibc: cfi frame pointers in clone triggers bugs in gcc unwinder
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[patch]
fix cpu/memory kill
fix_memory.diff (text/plain), 1.50 KB, created by
Hanno Zysik (geki)
on 2007-12-12 17:00:24 UTC
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Description:
fix cpu/memory kill
Filename:
MIME Type:
Creator:
Hanno Zysik (geki)
Created:
2007-12-12 17:00:24 UTC
Size:
1.50 KB
patch
obsolete
>=================================================================== >RCS file: /cvs/glibc/libc/sysdeps/unix/sysv/linux/i386/clone.S,v >retrieving revision 1.27 >retrieving revision 1.27.2.1 >diff -u -r1.27 -r1.27.2.1 >--- libc/sysdeps/unix/sysv/linux/i386/clone.S 2006/12/03 23:12:36 1.27 >+++ libc/sysdeps/unix/sysv/linux/i386/clone.S 2007/07/31 12:51:32 1.27.2.1 >@@ -120,9 +120,6 @@ > ret > > L(thread_start): >- cfi_startproc; >- /* Clearing frame pointer is insufficient, use CFI. */ >- cfi_undefined (eip); > /* Note: %esi is zero. */ > movl %esi,%ebp /* terminate the stack frame */ > #ifdef RESET_PID >@@ -155,7 +152,6 @@ > jmp L(haspid) > .previous > #endif >- cfi_endproc; > > cfi_startproc > PSEUDO_END (BP_SYM (__clone)) >=================================================================== >RCS file: /cvs/glibc/libc/sysdeps/unix/sysv/linux/x86_64/clone.S,v >retrieving revision 1.7 >retrieving revision 1.7.2.1 >diff -u -r1.7 -r1.7.2.1 >--- libc/sysdeps/unix/sysv/linux/x86_64/clone.S 2006/12/03 23:12:36 1.7 >+++ libc/sysdeps/unix/sysv/linux/x86_64/clone.S 2007/07/31 12:51:32 1.7.2.1 >@@ -89,9 +89,6 @@ > ret > > L(thread_start): >- cfi_startproc; >- /* Clearing frame pointer is insufficient, use CFI. */ >- cfi_undefined (rip); > /* Clear the frame pointer. The ABI suggests this be done, to mark > the outermost frame obviously. */ > xorl %ebp, %ebp >@@ -116,7 +113,6 @@ > /* Call exit with return value from function call. */ > movq %rax, %rdi > call HIDDEN_JUMPTARGET (_exit) >- cfi_endproc; > > cfi_startproc; > PSEUDO_END (BP_SYM (__clone))
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Attachments on
bug 202055
: 138329