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authorUlrich Drepper <drepper@redhat.com>2009-07-17 14:45:08 -0700
committerUlrich Drepper <drepper@redhat.com>2009-07-17 14:45:08 -0700
commit63601ccd1614250bf91e47f46c6b24b53dfd6af6 (patch)
treee8255d0cf8459bb609ffc5218fd2ba4e76b9d8d9 /sysdeps
parentd52c96e73a20d1c1d266f783fc31df6759207ea0 (diff)
downloadglibc-63601ccd1614250bf91e47f46c6b24b53dfd6af6.tar.gz
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Replace hand-coded unwind tables from x86-64 pthread_once.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/generic/sysdep.h43
1 files changed, 36 insertions, 7 deletions
diff --git a/sysdeps/generic/sysdep.h b/sysdeps/generic/sysdep.h
index 15d951c777..54884d9afe 100644
--- a/sysdeps/generic/sysdep.h
+++ b/sysdeps/generic/sysdep.h
@@ -1,5 +1,5 @@
 /* Generic asm macros used on many machines.
-   Copyright (C) 1991,92,93,96,98,2002,2003 Free Software Foundation, Inc.
+   Copyright (C) 1991,92,93,96,98,2002,2003,2009 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
@@ -39,13 +39,13 @@
 #ifdef __ASSEMBLER__
 /* Mark the end of function named SYM.  This is used on some platforms
    to generate correct debugging information.  */
-#ifndef END
-#define END(sym)
-#endif
+# ifndef END
+# define END(sym)
+# endif
 
-#ifndef JUMPTARGET
-#define JUMPTARGET(sym)		sym
-#endif
+# ifndef JUMPTARGET
+# define JUMPTARGET(sym)	sym
+# endif
 
 /* Makros to generate eh_frame unwind information.  */
 # ifdef HAVE_ASM_CFI_DIRECTIVES
@@ -65,6 +65,8 @@
 #  define cfi_remember_state		.cfi_remember_state
 #  define cfi_restore_state		.cfi_restore_state
 #  define cfi_window_save		.cfi_window_save
+#  define cfi_personality(enc, exp)	.cfi_personality enc, exp
+#  define cfi_lsda(enc, exp)		.cfi_lsda enc, exp
 # else
 #  define cfi_startproc
 #  define cfi_endproc
@@ -82,6 +84,8 @@
 #  define cfi_remember_state
 #  define cfi_restore_state
 #  define cfi_window_save
+#  define cfi_personality(enc, exp)
+#  define cfi_lsda(enc, exp)
 # endif
 
 #else /* ! ASSEMBLER */
@@ -116,6 +120,10 @@
    ".cfi_restore_state"
 #  define CFI_WINDOW_SAVE \
    ".cfi_window_save"
+#  define CFI_PERSONALITY(enc, exp) \
+   ".cfi_personality " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp)
+#  define CFI_LSDA(enc, exp) \
+   ".cfi_lsda " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp)
 # else
 #  define CFI_STARTPROC
 #  define CFI_ENDPROC
@@ -132,6 +140,27 @@
 #  define CFI_REMEMBER_STATE
 #  define CFI_RESTORE_STATE
 #  define CFI_WINDOW_SAVE
+#  define CFI_PERSONALITY(enc, exp)
+#  define CFI_LSDA(enc, exp)
 # endif
 
 #endif /* __ASSEMBLER__ */
+
+/* Values used for encoding parameter of cfi_personality and cfi_lsda.  */
+#define DW_EH_PE_absptr		0x00
+#define DW_EH_PE_omit		0xff
+#define DW_EH_PE_uleb128	0x01
+#define DW_EH_PE_udata2		0x02
+#define DW_EH_PE_udata4		0x03
+#define DW_EH_PE_udata8		0x04
+#define DW_EH_PE_sleb128	0x09
+#define DW_EH_PE_sdata2		0x0a
+#define DW_EH_PE_sdata4		0x0b
+#define DW_EH_PE_sdata8		0x0c
+#define DW_EH_PE_signed		0x08
+#define DW_EH_PE_pcrel		0x10
+#define DW_EH_PE_textrel	0x20
+#define DW_EH_PE_datarel	0x30
+#define DW_EH_PE_funcrel	0x40
+#define DW_EH_PE_aligned	0x50
+#define DW_EH_PE_indirect	0x80