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authorJim Kingdon <jkingdon@engr.sgi.com>1993-05-18 15:06:47 +0000
committerJim Kingdon <jkingdon@engr.sgi.com>1993-05-18 15:06:47 +0000
commitf49cf589401e938d78dc28187a9ccf7926088485 (patch)
tree9159b281d2470beaac7d602684733e282c8e5840 /gdb/inferior.h
parent35247ccd31f45cb344e047bcbd2842988836bfe2 (diff)
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* findvar.c ({read,write}_register): Use REGISTER_RAW_SIZE
not typo RAW_REGISTER_SIZE. * frame.h, inferior.h: Doc fixes.
Diffstat (limited to 'gdb/inferior.h')
-rw-r--r--gdb/inferior.h16
1 files changed, 12 insertions, 4 deletions
diff --git a/gdb/inferior.h b/gdb/inferior.h
index 5db853e..576fcff 100644
--- a/gdb/inferior.h
+++ b/gdb/inferior.h
@@ -176,9 +176,6 @@ call_ptrace PARAMS ((int, int, PTRACE_ARG3_TYPE, int));
extern int
proc_iterate_over_mappings PARAMS ((int (*) (int, CORE_ADDR)));
-extern void
-proc_signal_handling_change PARAMS ((void));
-
/* From fork-child.c */
extern void
@@ -328,8 +325,19 @@ extern CORE_ADDR text_end;
((pc) >= text_end \
&& (pc) <= text_end + CALL_DUMMY_LENGTH + DECR_PC_AFTER_BREAK)
#else /* On stack. */
+
+/* This assumes that frame_address is the value of SP_REGNUM before
+ the dummy frame was pushed. The only known machine for which this
+ isn't true is the 29k, which doesn't use ON_STACK. Machines for
+ which it isn't true who want to put stack dummies on the stack
+ could provide their own PC_IN_CALL_DUMMY, or perhaps this macro
+ could be re-written to check for the end of the stack instead
+ (using the target_ops->sections). Are there user programs, libraries,
+ kernel routines, etc. which also execute on the stack? If so, the
+ latter would be a bad idea. */
+
#define PC_IN_CALL_DUMMY(pc, sp, frame_address) \
- ((sp) INNER_THAN (pc) && (pc) INNER_THAN (frame_address))
+ ((sp) INNER_THAN (pc) && (frame_address != 0) && (pc) INNER_THAN (frame_address))
#endif /* On stack. */
#endif /* Not before text_end. */
#endif /* No PC_IN_CALL_DUMMY. */