diff -r 000000000000 -r c4d124ed9f8e patches/glibc/2.9/160-i386-x86_64-revert-clone-cfi.patch --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/patches/glibc/2.9/160-i386-x86_64-revert-clone-cfi.patch Sun Apr 19 16:17:11 2009 +0000 @@ -0,0 +1,53 @@ +Original patch from: gentoo/src/patchsets/glibc/2.9/0070_all_glibc-i386-x86_64-revert-clone-cfi.patch + +-= BEGIN original header =- +revert cfi additions to clone on i386/x86_64 to workaround problems in +gcc's unwinder code. this is not a bug in glibc, it triggers problems +elsewhere. this cfi code does not gain us a whole lot anyways. + +http://gcc.gnu.org/ml/gcc/2006-12/msg00293.html + +-= END original header =- + +diff -durN glibc-2_9.orig/sysdeps/unix/sysv/linux/i386/clone.S glibc-2_9/sysdeps/unix/sysv/linux/i386/clone.S +--- glibc-2_9.orig/sysdeps/unix/sysv/linux/i386/clone.S 2006-12-04 00:12:36.000000000 +0100 ++++ glibc-2_9/sysdeps/unix/sysv/linux/i386/clone.S 2009-02-02 22:00:45.000000000 +0100 +@@ -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)) +diff -durN glibc-2_9.orig/sysdeps/unix/sysv/linux/x86_64/clone.S glibc-2_9/sysdeps/unix/sysv/linux/x86_64/clone.S +--- glibc-2_9.orig/sysdeps/unix/sysv/linux/x86_64/clone.S 2006-12-04 00:12:36.000000000 +0100 ++++ glibc-2_9/sysdeps/unix/sysv/linux/x86_64/clone.S 2009-02-02 22:00:45.000000000 +0100 +@@ -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))