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Multiarch STAB_REG_TO_REGNUM, ECOFF_REG_TO_REGNUM,

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DWARF_REG_TO_REGNUM, SDB_REG_TO_REGNUM, DWARF2_REG_TO_REGNUM.
This commit is contained in:
Andrew Cagney 2000-12-04 04:01:16 +00:00
parent 76440e4ba0
commit 88c72b7d71
12 changed files with 318 additions and 32 deletions
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20
gdb/ChangeLog
View File

@ -1,3 +1,23 @@
Mon Dec 4 14:36:39 2000 Andrew Cagney <cagney@b1.cygnus.com>
* gdbarch.sh (STAB_REG_TO_REGNUM, ECOFF_REG_TO_REGNUM,
DWARF_REG_TO_REGNUM, SDB_REG_TO_REGNUM, DWARF2_REG_TO_REGNUM):
Add.
* gdbarch.h, gdbarch.c: Regenerate.
* arch-utils.c (no_op_reg_to_regnum): New function.
* arch-utils.h (no_op_reg_to_regnum): Declare.
* dwarfread.c (DWARF_REG_TO_REGNUM), coffread.c
(SDB_REG_TO_REGNUM), stabsread.h (STAB_REG_TO_REGNUM),
mdebugread.c (ECOFF_REG_TO_REGNUM): Delete macro.
* config/mips/tm-mips.h (ECOFF_REG_TO_REGNUM, STAB_REG_TO_REGNUM):
Delete. Moved to mips-tdep.c.
* mips-tdep.c (mips_ecoff_reg_to_regnum, mips_stab_reg_to_regnum):
New functions.
(mips_gdbarch_init): Add ``mips_ecoff_reg_to_regnum'' and
``mips_stab_reg_to_regnum'' to multi-arch vector.
2000-12-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* m68hc11-tdep.c (m68hc11_gdbarch_init): Remove elf_flags, cleanup.

6
gdb/arch-utils.c
View File

@ -233,6 +233,12 @@ default_convert_from_func_ptr_addr (CORE_ADDR addr)
return addr;
}
int
no_op_reg_to_regnum (int reg)
{
return reg;
}
/* Functions to manipulate the endianness of the target. */
#ifdef TARGET_BYTE_ORDER_SELECTABLE

4
gdb/arch-utils.h
View File

@ -97,4 +97,8 @@ extern int default_register_sim_regno (int reg_nr);
extern CORE_ADDR default_convert_from_func_ptr_addr (CORE_ADDR addr);
/* No-op conversion of reg to regnum. */
extern int no_op_reg_to_regnum (int reg);
#endif

8
gdb/coffread.c
View File

@ -68,14 +68,6 @@ struct coff_symfile_info
#define SDB_TYPE(type) (BTYPE(type) | (type & N_TMASK))
/* Convert from an sdb register number to an internal gdb register number.
This should be defined in tm.h, if REGISTER_NAMES is not set up
to map one to one onto the sdb register numbers. */
#ifndef SDB_REG_TO_REGNUM
#define SDB_REG_TO_REGNUM(value) (value)
#endif
/* Core address of start and end of text of current source file.
This comes from a ".text" symbol where x_nlinno > 0. */

8
gdb/config/mips/tm-mips.h
View File

@ -437,14 +437,6 @@ extern void mips_print_extra_frame_info (struct frame_info *frame);
#define SETUP_ARBITRARY_FRAME(argc, argv) setup_arbitrary_frame (argc, argv)
extern struct frame_info *setup_arbitrary_frame (int, CORE_ADDR *);
/* Convert a dbx stab register number (from `r' declaration) to a gdb REGNUM */
#define STAB_REG_TO_REGNUM(num) ((num) < 32 ? (num) : (num)+FP0_REGNUM-38)
/* Convert a ecoff register number to a gdb REGNUM */
#define ECOFF_REG_TO_REGNUM(num) ((num) < 32 ? (num) : (num)+FP0_REGNUM-32)
/* Select the default mips disassembler */
#define TM_PRINT_INSN_MACH 0

5
gdb/dwarfread.c
View File

@ -189,11 +189,6 @@ typedef unsigned int DIE_REF; /* Reference to a DIE */
#define CHILL_PRODUCER "GNU Chill "
#endif
/* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
#ifndef DWARF_REG_TO_REGNUM
#define DWARF_REG_TO_REGNUM(num) (num)
#endif
/* Flags to target_to_host() that tell whether or not the data object is
expected to be signed. Used, for example, when fetching a signed
integer in the target environment which is used as a signed integer

170
gdb/gdbarch.c
View File

@ -153,6 +153,11 @@ struct gdbarch
int fp0_regnum;
int npc_regnum;
int nnpc_regnum;
gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum;
gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum;
gdbarch_dwarf_reg_to_regnum_ftype *dwarf_reg_to_regnum;
gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum;
gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum;
gdbarch_register_name_ftype *register_name;
int register_size;
int register_bytes;
@ -304,6 +309,11 @@ struct gdbarch startup_gdbarch =
0,
0,
0,
0,
0,
0,
0,
0,
generic_get_saved_register,
0,
0,
@ -400,6 +410,11 @@ gdbarch_alloc (const struct gdbarch_info *info,
gdbarch->fp0_regnum = -1;
gdbarch->npc_regnum = -1;
gdbarch->nnpc_regnum = -1;
gdbarch->stab_reg_to_regnum = no_op_reg_to_regnum;
gdbarch->ecoff_reg_to_regnum = no_op_reg_to_regnum;
gdbarch->dwarf_reg_to_regnum = no_op_reg_to_regnum;
gdbarch->sdb_reg_to_regnum = no_op_reg_to_regnum;
gdbarch->dwarf2_reg_to_regnum = no_op_reg_to_regnum;
gdbarch->register_name = legacy_register_name;
gdbarch->register_size = -1;
gdbarch->register_bytes = -1;
@ -500,6 +515,11 @@ verify_gdbarch (struct gdbarch *gdbarch)
/* Skip verify of fp0_regnum, invalid_p == 0 */
/* Skip verify of npc_regnum, invalid_p == 0 */
/* Skip verify of nnpc_regnum, invalid_p == 0 */
/* Skip verify of stab_reg_to_regnum, invalid_p == 0 */
/* Skip verify of ecoff_reg_to_regnum, invalid_p == 0 */
/* Skip verify of dwarf_reg_to_regnum, invalid_p == 0 */
/* Skip verify of sdb_reg_to_regnum, invalid_p == 0 */
/* Skip verify of dwarf2_reg_to_regnum, invalid_p == 0 */
/* Skip verify of register_name, invalid_p == 0 */
if ((GDB_MULTI_ARCH >= 2)
&& (gdbarch->register_size == -1))
@ -830,6 +850,36 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
"gdbarch_dump: NNPC_REGNUM # %s\n",
XSTRING (NNPC_REGNUM));
#endif
#ifdef STAB_REG_TO_REGNUM
fprintf_unfiltered (file,
"gdbarch_dump: %s # %s\n",
"STAB_REG_TO_REGNUM(stab_regnr)",
XSTRING (STAB_REG_TO_REGNUM (stab_regnr)));
#endif
#ifdef ECOFF_REG_TO_REGNUM
fprintf_unfiltered (file,
"gdbarch_dump: %s # %s\n",
"ECOFF_REG_TO_REGNUM(ecoff_regnr)",
XSTRING (ECOFF_REG_TO_REGNUM (ecoff_regnr)));
#endif
#ifdef DWARF_REG_TO_REGNUM
fprintf_unfiltered (file,
"gdbarch_dump: %s # %s\n",
"DWARF_REG_TO_REGNUM(dwarf_regnr)",
XSTRING (DWARF_REG_TO_REGNUM (dwarf_regnr)));
#endif
#ifdef SDB_REG_TO_REGNUM
fprintf_unfiltered (file,
"gdbarch_dump: %s # %s\n",
"SDB_REG_TO_REGNUM(sdb_regnr)",
XSTRING (SDB_REG_TO_REGNUM (sdb_regnr)));
#endif
#ifdef DWARF2_REG_TO_REGNUM
fprintf_unfiltered (file,
"gdbarch_dump: %s # %s\n",
"DWARF2_REG_TO_REGNUM(dwarf2_regnr)",
XSTRING (DWARF2_REG_TO_REGNUM (dwarf2_regnr)));
#endif
#ifdef REGISTER_NAME
fprintf_unfiltered (file,
"gdbarch_dump: %s # %s\n",
@ -1451,6 +1501,41 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
"gdbarch_dump: NNPC_REGNUM = %ld\n",
(long) NNPC_REGNUM);
#endif
#ifdef STAB_REG_TO_REGNUM
if (GDB_MULTI_ARCH)
fprintf_unfiltered (file,
"gdbarch_dump: STAB_REG_TO_REGNUM = 0x%08lx\n",
(long) current_gdbarch->stab_reg_to_regnum
/*STAB_REG_TO_REGNUM ()*/);
#endif
#ifdef ECOFF_REG_TO_REGNUM
if (GDB_MULTI_ARCH)
fprintf_unfiltered (file,
"gdbarch_dump: ECOFF_REG_TO_REGNUM = 0x%08lx\n",
(long) current_gdbarch->ecoff_reg_to_regnum
/*ECOFF_REG_TO_REGNUM ()*/);
#endif
#ifdef DWARF_REG_TO_REGNUM
if (GDB_MULTI_ARCH)
fprintf_unfiltered (file,
"gdbarch_dump: DWARF_REG_TO_REGNUM = 0x%08lx\n",
(long) current_gdbarch->dwarf_reg_to_regnum
/*DWARF_REG_TO_REGNUM ()*/);
#endif
#ifdef SDB_REG_TO_REGNUM
if (GDB_MULTI_ARCH)
fprintf_unfiltered (file,
"gdbarch_dump: SDB_REG_TO_REGNUM = 0x%08lx\n",
(long) current_gdbarch->sdb_reg_to_regnum
/*SDB_REG_TO_REGNUM ()*/);
#endif
#ifdef DWARF2_REG_TO_REGNUM
if (GDB_MULTI_ARCH)
fprintf_unfiltered (file,
"gdbarch_dump: DWARF2_REG_TO_REGNUM = 0x%08lx\n",
(long) current_gdbarch->dwarf2_reg_to_regnum
/*DWARF2_REG_TO_REGNUM ()*/);
#endif
#ifdef REGISTER_NAME
if (GDB_MULTI_ARCH)
fprintf_unfiltered (file,
@ -2406,6 +2491,91 @@ set_gdbarch_nnpc_regnum (struct gdbarch *gdbarch,
gdbarch->nnpc_regnum = nnpc_regnum;
}
int
gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr)
{
if (gdbarch->stab_reg_to_regnum == 0)
internal_error ("gdbarch: gdbarch_stab_reg_to_regnum invalid");
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_stab_reg_to_regnum called\n");
return gdbarch->stab_reg_to_regnum (stab_regnr);
}
void
set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch,
gdbarch_stab_reg_to_regnum_ftype stab_reg_to_regnum)
{
gdbarch->stab_reg_to_regnum = stab_reg_to_regnum;
}
int
gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr)
{
if (gdbarch->ecoff_reg_to_regnum == 0)
internal_error ("gdbarch: gdbarch_ecoff_reg_to_regnum invalid");
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_ecoff_reg_to_regnum called\n");
return gdbarch->ecoff_reg_to_regnum (ecoff_regnr);
}
void
set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch,
gdbarch_ecoff_reg_to_regnum_ftype ecoff_reg_to_regnum)
{
gdbarch->ecoff_reg_to_regnum = ecoff_reg_to_regnum;
}
int
gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int dwarf_regnr)
{
if (gdbarch->dwarf_reg_to_regnum == 0)
internal_error ("gdbarch: gdbarch_dwarf_reg_to_regnum invalid");
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_dwarf_reg_to_regnum called\n");
return gdbarch->dwarf_reg_to_regnum (dwarf_regnr);
}
void
set_gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch,
gdbarch_dwarf_reg_to_regnum_ftype dwarf_reg_to_regnum)
{
gdbarch->dwarf_reg_to_regnum = dwarf_reg_to_regnum;
}
int
gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr)
{
if (gdbarch->sdb_reg_to_regnum == 0)
internal_error ("gdbarch: gdbarch_sdb_reg_to_regnum invalid");
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_sdb_reg_to_regnum called\n");
return gdbarch->sdb_reg_to_regnum (sdb_regnr);
}
void
set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch,
gdbarch_sdb_reg_to_regnum_ftype sdb_reg_to_regnum)
{
gdbarch->sdb_reg_to_regnum = sdb_reg_to_regnum;
}
int
gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr)
{
if (gdbarch->dwarf2_reg_to_regnum == 0)
internal_error ("gdbarch: gdbarch_dwarf2_reg_to_regnum invalid");
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_dwarf2_reg_to_regnum called\n");
return gdbarch->dwarf2_reg_to_regnum (dwarf2_regnr);
}
void
set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch,
gdbarch_dwarf2_reg_to_regnum_ftype dwarf2_reg_to_regnum)
{
gdbarch->dwarf2_reg_to_regnum = dwarf2_reg_to_regnum;
}
char *
gdbarch_register_name (struct gdbarch *gdbarch, int regnr)
{

80
gdb/gdbarch.h
View File

@ -428,6 +428,86 @@ extern void set_gdbarch_nnpc_regnum (struct gdbarch *gdbarch, int nnpc_regnum);
#endif
#endif
/* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
/* Default (function) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (STAB_REG_TO_REGNUM)
#define STAB_REG_TO_REGNUM(stab_regnr) (no_op_reg_to_regnum (stab_regnr))
#endif
typedef int (gdbarch_stab_reg_to_regnum_ftype) (int stab_regnr);
extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr);
extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum);
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (STAB_REG_TO_REGNUM)
#define STAB_REG_TO_REGNUM(stab_regnr) (gdbarch_stab_reg_to_regnum (current_gdbarch, stab_regnr))
#endif
#endif
/* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
/* Default (function) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (ECOFF_REG_TO_REGNUM)
#define ECOFF_REG_TO_REGNUM(ecoff_regnr) (no_op_reg_to_regnum (ecoff_regnr))
#endif
typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (int ecoff_regnr);
extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr);
extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum);
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (ECOFF_REG_TO_REGNUM)
#define ECOFF_REG_TO_REGNUM(ecoff_regnr) (gdbarch_ecoff_reg_to_regnum (current_gdbarch, ecoff_regnr))
#endif
#endif
/* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
/* Default (function) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (DWARF_REG_TO_REGNUM)
#define DWARF_REG_TO_REGNUM(dwarf_regnr) (no_op_reg_to_regnum (dwarf_regnr))
#endif
typedef int (gdbarch_dwarf_reg_to_regnum_ftype) (int dwarf_regnr);
extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int dwarf_regnr);
extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf_reg_to_regnum_ftype *dwarf_reg_to_regnum);
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DWARF_REG_TO_REGNUM)
#define DWARF_REG_TO_REGNUM(dwarf_regnr) (gdbarch_dwarf_reg_to_regnum (current_gdbarch, dwarf_regnr))
#endif
#endif
/* Convert from an sdb register number to an internal gdb register number.
This should be defined in tm.h, if REGISTER_NAMES is not set up
to map one to one onto the sdb register numbers. */
/* Default (function) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (SDB_REG_TO_REGNUM)
#define SDB_REG_TO_REGNUM(sdb_regnr) (no_op_reg_to_regnum (sdb_regnr))
#endif
typedef int (gdbarch_sdb_reg_to_regnum_ftype) (int sdb_regnr);
extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr);
extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum);
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SDB_REG_TO_REGNUM)
#define SDB_REG_TO_REGNUM(sdb_regnr) (gdbarch_sdb_reg_to_regnum (current_gdbarch, sdb_regnr))
#endif
#endif
/* Default (function) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (DWARF2_REG_TO_REGNUM)
#define DWARF2_REG_TO_REGNUM(dwarf2_regnr) (no_op_reg_to_regnum (dwarf2_regnr))
#endif
typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (int dwarf2_regnr);
extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr);
extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum);
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DWARF2_REG_TO_REGNUM)
#define DWARF2_REG_TO_REGNUM(dwarf2_regnr) (gdbarch_dwarf2_reg_to_regnum (current_gdbarch, dwarf2_regnr))
#endif
#endif
/* Default (function) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (REGISTER_NAME)
#define REGISTER_NAME(regnr) (legacy_register_name (regnr))

11
gdb/gdbarch.sh
View File

@ -371,6 +371,17 @@ v:2:PC_REGNUM:int:pc_regnum::::0:-1
v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
v:2:NNPC_REGNUM:int:nnpc_regnum::::0:-1::0
# Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
# Provide a default mapping from a ecoff register number to a gdb REGNUM.
f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
# Provide a default mapping from a DWARF register number to a gdb REGNUM.
f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
# Convert from an sdb register number to an internal gdb register number.
# This should be defined in tm.h, if REGISTER_NAMES is not set up
# to map one to one onto the sdb register numbers.
f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
f:2:REGISTER_NAME:char *:register_name:int regnr:regnr:::legacy_register_name::0
v:2:REGISTER_SIZE:int:register_size::::0:-1
v:2:REGISTER_BYTES:int:register_bytes::::0:-1

5
gdb/mdebugread.c
View File

@ -93,11 +93,6 @@ typedef struct mips_extra_func_info
extern void _initialize_mdebugread (void);
/* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
#ifndef ECOFF_REG_TO_REGNUM
#define ECOFF_REG_TO_REGNUM(num) (num)
#endif
/* Provide a way to test if we have both ECOFF and ELF symbol tables.
We use this define in order to know whether we should override a
symbol's ECOFF section with its ELF section. This is necessary in

27
gdb/mips-tdep.c
View File

@ -3801,6 +3801,29 @@ mips_saved_pc_after_call (struct frame_info *frame)
}
/* Convert a dbx stab register number (from `r' declaration) to a gdb
REGNUM */
static int
mips_stab_reg_to_regnum (int num)
{
if (num < 32)
return num;
else
return num + FP0_REGNUM - 38;
}
/* Convert a ecoff register number to a gdb REGNUM */
static int
mips_ecoff_reg_to_regnum (int num)
{
if (num < 32)
return num;
else
return num + FP0_REGNUM - 32;
}
static struct gdbarch *
mips_gdbarch_init (struct gdbarch_info info,
struct gdbarch_list *arches)
@ -4042,6 +4065,10 @@ mips_gdbarch_init (struct gdbarch_info info,
set_gdbarch_read_sp (gdbarch, generic_target_read_sp);
set_gdbarch_write_sp (gdbarch, generic_target_write_sp);
/* Map debug register numbers onto internal register numbers. */
set_gdbarch_stab_reg_to_regnum (gdbarch, mips_stab_reg_to_regnum);
set_gdbarch_ecoff_reg_to_regnum (gdbarch, mips_ecoff_reg_to_regnum);
/* Initialize a frame */
set_gdbarch_init_extra_frame_info (gdbarch, mips_init_extra_frame_info);

6
gdb/stabsread.h
View File

@ -30,12 +30,6 @@
#define EXTERN extern
#endif
/* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
#ifndef STAB_REG_TO_REGNUM
#define STAB_REG_TO_REGNUM(VALUE) (VALUE)
#endif
/* Hash table of global symbols whose values are not known yet.
They are chained thru the SYMBOL_VALUE_CHAIN, since we don't
have the correct data for that slot yet.