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* defs.h, remote-eb.c (TM_FILE_OVERRIDE): Remove it.

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* mips-tdep.c (init_extra_frame_info):  Set proper fci->frame if pc
	is at the start of the dummy code.
This commit is contained in:
Peter Schauer 1993-07-09 16:50:43 +00:00
parent a40fe908ce
commit 2fcdae93aa
4 changed files with 26 additions and 44 deletions
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6
gdb/ChangeLog
View file

@ -1,3 +1,9 @@
Fri Jul 9 09:47:02 1993 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
* defs.h, remote-eb.c (TM_FILE_OVERRIDE): Remove it.
* mips-tdep.c (init_extra_frame_info): Set proper fci->frame if pc
is at the start of the dummy code.
Thu Jul 8 14:48:54 1993 Jim Kingdon (kingdon@lioth.cygnus.com)
* sparc-tdep.c (sparc_push_dummy_frame): Skip all the do_save_insn

30
gdb/defs.h
View file

@ -295,9 +295,6 @@ batch_mode PARAMS ((void));
extern int
input_from_terminal_p PARAMS ((void));
extern int
catch_errors PARAMS ((int (*) (char *), char *, char *));
/* From printcmd.c */
extern void
@ -626,8 +623,25 @@ exit PARAMS ((int)); /* 4.10.4.3 */
extern NORETURN void /* Does not return to the caller. */
nomem PARAMS ((long));
/* Reasons for calling return_to_top_level. */
enum return_reason {
/* User interrupt. */
RETURN_QUIT,
/* Any other error. */
RETURN_ERROR
};
#define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
#define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
#define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
typedef int return_mask;
extern NORETURN void /* Does not return to the caller. */
return_to_top_level PARAMS ((void));
return_to_top_level PARAMS ((enum return_reason));
extern int catch_errors PARAMS ((int (*) (char *), void *, char *,
return_mask));
extern void
warning_setup PARAMS ((void));
@ -776,18 +790,12 @@ strerror PARAMS ((int)); /* 4.11.6.2 */
#define LITTLE_ENDIAN 1234
#endif
/* Target-system-dependent parameters for GDB.
The standard thing is to include defs.h. However, files that are
specific to a particular target can define TM_FILE_OVERRIDE before
including defs.h, then can include any particular tm-file they desire. */
/* Target-system-dependent parameters for GDB. */
/* Target machine definition. This will be a symlink to one of the
tm-*.h files, built by the `configure' script. */
#ifndef TM_FILE_OVERRIDE
#include "tm.h"
#endif
/* The bit byte-order has to do just with numbering of bits in
debugging symbols and such. Conceptually, it's quite separate

32
gdb/mips-tdep.c
View file

@ -331,7 +331,7 @@ init_extra_frame_info(fci)
/* Fixup frame-pointer - only needed for top frame */
/* This may not be quite right, if proc has a real frame register */
if (fci->pc == PROC_LOW_ADDR(proc_desc))
if (fci->pc == PROC_LOW_ADDR(proc_desc) && !PROC_DESC_IS_DUMMY(proc_desc))
fci->frame = read_register (SP_REGNUM);
else
fci->frame = READ_FRAME_REG(fci, PROC_FRAME_REG(proc_desc))
@ -688,36 +688,6 @@ mips_frame_num_args(fip)
#endif
return -1;
}
/* Bad floats: Returns 0 if P points to a valid IEEE floating point number,
1 if P points to a denormalized number or a NaN. LEN says whether this is
a single-precision or double-precision float */
#define SINGLE_EXP_BITS 8
#define DOUBLE_EXP_BITS 11
int
isa_NAN(p, len)
int *p, len;
{
int exponent;
if (len == 4)
{
exponent = *p;
exponent = exponent << 1 >> (32 - SINGLE_EXP_BITS - 1);
return ((exponent == -1) || (exponent == 0 && ((*p << 1) != 0)));
}
else if (len == 8)
{
#if TARGET_BYTE_ORDER == BIG_ENDIAN
exponent = *p;
#else
exponent = *(p+1);
#endif
exponent = exponent << 1 >> (32 - DOUBLE_EXP_BITS - 1);
return ((exponent == -1) || (! exponent && *p * *(p+1)));
}
else return 1;
}
/* To skip prologues, I use this predicate. Returns either PC
itself if the code at PC does not look like a function prologue;

2
gdb/remote-eb.c
View file

@ -25,10 +25,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
has PC/NFS, so it can access the same executables that gdb can,
over the net in real time. */
#define TM_FILE_OVERRIDE
#include "defs.h"
#include <string.h>
#include "a29k/tm-a29k.h"
#include "inferior.h"
#include "bfd.h"