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2011-08-08 Andreas Schwab <schwab@redhat.com>
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* sysdeps/unix/sysv/linux/x86_64/cancellation.S: Maintain aligned
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stack.
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* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise.
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* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Likewise.
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Index: glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S
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===================================================================
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--- glibc-2.12-2-gc4ccff1.orig/nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S
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+++ glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S
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@@ -71,7 +71,9 @@ ENTRY(__pthread_enable_asynccancel)
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1: ret
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-3: movq $TCB_PTHREAD_CANCELED, %fs:RESULT
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+3: subq $8, %rsp
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+ cfi_adjust_cfa_offset(8)
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+ movq $TCB_PTHREAD_CANCELED, %fs:RESULT
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lock
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orl $TCB_EXITING_BITMASK, %fs:CANCELHANDLING
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movq %fs:CLEANUP_JMP_BUF, %rdi
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Index: glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
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===================================================================
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--- glibc-2.12-2-gc4ccff1.orig/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
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+++ glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
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@@ -63,9 +63,9 @@ __pthread_cond_timedwait:
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cfi_adjust_cfa_offset(8)
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cfi_rel_offset(%r15, 0)
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#ifdef __ASSUME_FUTEX_CLOCK_REALTIME
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-# define FRAME_SIZE 32
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+# define FRAME_SIZE (32+8)
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#else
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-# define FRAME_SIZE 48
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+# define FRAME_SIZE (48+8)
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#endif
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subq $FRAME_SIZE, %rsp
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cfi_adjust_cfa_offset(FRAME_SIZE)
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Index: glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
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===================================================================
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--- glibc-2.12-2-gc4ccff1.orig/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
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+++ glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
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@@ -45,7 +45,7 @@ __pthread_cond_wait:
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cfi_lsda(DW_EH_PE_udata4, .LexceptSTART)
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#endif
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-#define FRAME_SIZE 32
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+#define FRAME_SIZE (32+8)
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leaq -FRAME_SIZE(%rsp), %rsp
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cfi_adjust_cfa_offset(FRAME_SIZE)
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