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(_JMPBUF_UNWINDS): New macro.

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This commit is contained in:
Roland McGrath 1995-03-27 09:27:34 +00:00
parent fdf91378b9
commit 2e444e579a
1 changed files with 8 additions and 2 deletions
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10
sysdeps/mips/jmp_buf.h
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@ -1,5 +1,5 @@
/* Define the machine-dependent type `jmp_buf'. Mips version. /* Define the machine-dependent type `jmp_buf'. MIPS version.
Copyright (C) 1992, 1993 Free Software Foundation, Inc. Copyright (C) 1992, 1993, 1995 Free Software Foundation, Inc.
Contributed by Brendan Kehoe (brendan@zen.org). Contributed by Brendan Kehoe (brendan@zen.org).
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -45,3 +45,9 @@ typedef struct
/* Offset to the program counter in `jmp_buf'. */ /* Offset to the program counter in `jmp_buf'. */
#define JB_PC 0 #define JB_PC 0
#endif #endif
/* Test if longjmp to JMPBUF would unwind the frame
containing a local variable at ADDRESS. */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
((__ptr_t) (address) < (jmpbuf)[0].__sp)