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* config/i386/tm-linux.h: Add longjmp support.

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(JB_ELEMENT_SIZE, JB_PC): New defines.
(GET_LONGJMP_TARGET): Define.
(get_longjmp_target): Add prototype.
This commit is contained in:
Mark Kettenis 2000-07-07 00:30:35 +00:00
parent a48bb0b384
commit f19ebbbc84
2 changed files with 22 additions and 0 deletions
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5
gdb/ChangeLog
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@ -1,5 +1,10 @@
2000-07-07 Mark Kettenis <kettenis@gnu.org>
* config/i386/tm-linux.h: Add longjmp support.
(JB_ELEMENT_SIZE, JB_PC): New defines.
(GET_LONGJMP_TARGET): Define.
(get_longjmp_target): Add prototype.
* breakpoint.c (bpstat_what): Keep returning
BPSTAT_WHAT_SET_LONGJMP_RESUME when hitting multiple longjmp()
breakpoints instead of signalling an error by returning

17
gdb/config/i386/tm-linux.h
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@ -136,5 +136,22 @@ extern CORE_ADDR i386_linux_skip_solib_resolver (CORE_ADDR pc);
/* N_FUN symbols in shared libaries have 0 for their values and need
to be relocated. */
#define SOFUN_ADDRESS_MAYBE_MISSING
/* Support for longjmp. */
/* Details about jmp_buf. It's supposed to be an array of integers. */
#define JB_ELEMENT_SIZE 4 /* Size of elements in jmp_buf. */
#define JB_PC 5 /* Array index of saved PC. */
/* Figure out where the longjmp will land. Slurp the args out of the
stack. We expect the first arg to be a pointer to the jmp_buf
structure from which we extract the pc (JB_PC) that we will land
at. The pc is copied into ADDR. This routine returns true on
success. */
#define GET_LONGJMP_TARGET(addr) get_longjmp_target (addr)
extern int get_longjmp_target (CORE_ADDR *addr);
#endif /* #ifndef TM_LINUX_H */