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| author | Ulrich Drepper <drepper@redhat.com> | 2009-07-17 14:45:08 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-07-17 14:45:08 -0700 |
| commit | 63601ccd1614250bf91e47f46c6b24b53dfd6af6 (patch) | |
| tree | e8255d0cf8459bb609ffc5218fd2ba4e76b9d8d9 /sysdeps/generic | |
| parent | d52c96e73a20d1c1d266f783fc31df6759207ea0 (diff) | |
| download | glibc-63601ccd1614250bf91e47f46c6b24b53dfd6af6.tar.gz glibc-63601ccd1614250bf91e47f46c6b24b53dfd6af6.tar.xz glibc-63601ccd1614250bf91e47f46c6b24b53dfd6af6.zip | |
Replace hand-coded unwind tables from x86-64 pthread_once.
Diffstat (limited to 'sysdeps/generic')
| -rw-r--r-- | sysdeps/generic/sysdep.h | 43 |
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 |