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2000-07-21 Michael Snyder <msnyder@cleaver.cygnus.com> 

* config/i386/tm-i386.h: treat PC and FP as unsigned.
      (SAVED_PC_AFTER_CALL): Use read_memory_unsigned_integer.
      (FRAME_SAVED_PC): Ditto.
      (FRAME_CHAIN): Ditto.
This commit is contained in:
Michael Snyder 2000-07-21 20:52:27 +00:00
parent 3dd3139b53
commit 6dff448f84
2 changed files with 11 additions and 3 deletions
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7
gdb/ChangeLog
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@ -1,3 +1,10 @@
2000-07-21 Michael Snyder <msnyder@cleaver.cygnus.com>
* config/i386/tm-i386.h: treat PC and FP as unsigned.
(SAVED_PC_AFTER_CALL): Use read_memory_unsigned_integer.
(FRAME_SAVED_PC): Ditto.
(FRAME_CHAIN): Ditto.
2000-07-20 Michael Snyder <msnyder@cleaver.cygnus.com>
* valarith.c (value_sub): Call check_typedef.

7
gdb/config/i386/tm-i386.h
View File

@ -69,7 +69,8 @@ extern int i386_skip_prologue (int);
through the frames for this because on some machines the new frame is not
set up until the new function executes some instructions. */
#define SAVED_PC_AFTER_CALL(frame) (read_memory_integer (read_register (SP_REGNUM), 4))
#define SAVED_PC_AFTER_CALL(frame) \
(read_memory_unsigned_integer (read_register (SP_REGNUM), 4))
/* Stack grows downward. */
@ -327,7 +328,7 @@ extern void i386_extract_return_value (struct type *type, char *regbuf,
((thisframe)->signal_handler_caller \
? (thisframe)->frame \
: (!inside_entry_file ((thisframe)->pc) \
? read_memory_integer ((thisframe)->frame, 4) \
? read_memory_unsigned_integer ((thisframe)->frame, 4) \
: 0))
/* A macro that tells us whether the function invocation represented
@ -342,7 +343,7 @@ extern void i386_extract_return_value (struct type *type, char *regbuf,
#define FRAME_SAVED_PC(FRAME) \
(((FRAME)->signal_handler_caller \
? sigtramp_saved_pc (FRAME) \
: read_memory_integer ((FRAME)->frame + 4, 4)) \
: read_memory_unsigned_integer ((FRAME)->frame + 4, 4)) \
)
extern CORE_ADDR sigtramp_saved_pc (struct frame_info *);