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2004-10-30 Andrew Cagney <cagney@gnu.org>

Browse Source 
* config/mips/tm-mips.h (PS_REGNUM): Delete.
	* mips-tdep.h (MIPS_PS_REGNUM): Add.
	* remote-vxmips.c, mipsv4-nat.c, mips-tdep.c: Update.
	* mips-linux-nat.c: Update.
This commit is contained in:
Andrew Cagney 2004-10-30 22:54:40 +00:00
parent 613e114ff9
commit 24e0595198
8 changed files with 20 additions and 16 deletions
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5
gdb/ChangeLog
View File

@ -1,5 +1,10 @@
2004-10-30 Andrew Cagney <cagney@gnu.org>
* config/mips/tm-mips.h (PS_REGNUM): Delete.
* mips-tdep.h (MIPS_PS_REGNUM): Add.
* remote-vxmips.c, mipsv4-nat.c, mips-tdep.c: Update.
* mips-linux-nat.c: Update.
* mips-tdep.h: Add comments on registers.
(MIPS_UNUSED_REGNUM): Define.
* config/mips/tm-mips.h (ZERO_REGNUM, UNUSED_REGNUM)

1
gdb/config/mips/tm-mips.h
View File

@ -44,7 +44,6 @@ extern int mips_step_skips_delay (CORE_ADDR);
#define STEP_SKIPS_DELAY(pc) (mips_step_skips_delay (pc))
#define RA_REGNUM 31 /* Contains return address value */
#define PS_REGNUM 32 /* Contains processor status */
#define FIRST_EMBED_REGNUM 74 /* First CP0 register for embedded use */
#define PRID_REGNUM 89 /* Processor ID */
#define LAST_EMBED_REGNUM 89 /* Last one */

6
gdb/mips-linux-nat.c
View File

@ -23,9 +23,9 @@
#include "mips-tdep.h"
/* Pseudo registers can not be read. ptrace does not provide a way to
read (or set) PS_REGNUM, and there's no point in reading or setting
MIPS_ZERO_REGNUM. We also can not set BADVADDR, CAUSE, or FCRIR
via ptrace(). */
read (or set) MIPS_PS_REGNUM, and there's no point in reading or
setting MIPS_ZERO_REGNUM. We also can not set BADVADDR, CAUSE, or
FCRIR via ptrace(). */
int
mips_linux_cannot_fetch_register (int regno)

12
gdb/mips-linux-tdep.c
View File

@ -124,7 +124,7 @@ supply_gregset (elf_gregset_t *gregsetp)
(char *)(regp + EF_CP0_EPC));
supply_32bit_reg (mips_regnum (current_gdbarch)->badvaddr,
(char *)(regp + EF_CP0_BADVADDR));
supply_32bit_reg (PS_REGNUM, (char *)(regp + EF_CP0_STATUS));
supply_32bit_reg (MIPS_PS_REGNUM, (char *)(regp + EF_CP0_STATUS));
supply_32bit_reg (mips_regnum (current_gdbarch)->cause,
(char *)(regp + EF_CP0_CAUSE));
@ -152,7 +152,7 @@ fill_gregset (elf_gregset_t *gregsetp, int regno)
fill_gregset (gregsetp, mips_regnum (current_gdbarch)->hi);
fill_gregset (gregsetp, mips_regnum (current_gdbarch)->pc);
fill_gregset (gregsetp, mips_regnum (current_gdbarch)->badvaddr);
fill_gregset (gregsetp, PS_REGNUM);
fill_gregset (gregsetp, MIPS_PS_REGNUM);
fill_gregset (gregsetp, mips_regnum (current_gdbarch)->cause);
return;
@ -173,7 +173,7 @@ fill_gregset (elf_gregset_t *gregsetp, int regno)
regaddr = EF_CP0_EPC;
else if (regno == mips_regnum (current_gdbarch)->badvaddr)
regaddr = EF_CP0_BADVADDR;
else if (regno == PS_REGNUM)
else if (regno == MIPS_PS_REGNUM)
regaddr = EF_CP0_STATUS;
else if (regno == mips_regnum (current_gdbarch)->cause)
regaddr = EF_CP0_CAUSE;
@ -402,7 +402,7 @@ mips64_supply_gregset (mips64_elf_gregset_t *gregsetp)
(char *)(regp + MIPS64_EF_CP0_EPC));
regcache_raw_supply (current_regcache, mips_regnum (current_gdbarch)->badvaddr,
(char *)(regp + MIPS64_EF_CP0_BADVADDR));
regcache_raw_supply (current_regcache, PS_REGNUM,
regcache_raw_supply (current_regcache, MIPS_PS_REGNUM,
(char *)(regp + MIPS64_EF_CP0_STATUS));
regcache_raw_supply (current_regcache, mips_regnum (current_gdbarch)->cause,
(char *)(regp + MIPS64_EF_CP0_CAUSE));
@ -431,7 +431,7 @@ mips64_fill_gregset (mips64_elf_gregset_t *gregsetp, int regno)
mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->hi);
mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->pc);
mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->badvaddr);
mips64_fill_gregset (gregsetp, PS_REGNUM);
mips64_fill_gregset (gregsetp, MIPS_PS_REGNUM);
mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->cause);
return;
@ -452,7 +452,7 @@ mips64_fill_gregset (mips64_elf_gregset_t *gregsetp, int regno)
regaddr = MIPS64_EF_CP0_EPC;
else if (regno == mips_regnum (current_gdbarch)->badvaddr)
regaddr = MIPS64_EF_CP0_BADVADDR;
else if (regno == PS_REGNUM)
else if (regno == MIPS_PS_REGNUM)
regaddr = MIPS64_EF_CP0_STATUS;
else if (regno == mips_regnum (current_gdbarch)->cause)
regaddr = MIPS64_EF_CP0_CAUSE;

5
gdb/mips-tdep.c
View File

@ -60,7 +60,7 @@ static const struct objfile_data *mips_pdr_data;
static struct type *mips_register_type (struct gdbarch *gdbarch, int regnum);
/* A useful bit in the CP0 status register (PS_REGNUM). */
/* A useful bit in the CP0 status register (MIPS_PS_REGNUM). */
/* This bit is set if we are emulating 32-bit FPRs on a 64-bit chip. */
#define ST0_FR (1 << 26)
@ -386,7 +386,7 @@ mips2_fp_compat (void)
/* Otherwise check the FR bit in the status register - it controls
the FP compatiblity mode. If it is clear we are in compatibility
mode. */
if ((read_register (PS_REGNUM) & ST0_FR) == 0)
if ((read_register (MIPS_PS_REGNUM) & ST0_FR) == 0)
return 1;
#endif
@ -5313,7 +5313,6 @@ mips_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file)
fprintf_unfiltered (file, "mips_dump_tdep: PROC_REG_MASK = function?\n");
fprintf_unfiltered (file, "mips_dump_tdep: PROC_REG_OFFSET = function?\n");
fprintf_unfiltered (file, "mips_dump_tdep: PROC_SYMBOL = function?\n");
fprintf_unfiltered (file, "mips_dump_tdep: PS_REGNUM = %d\n", PS_REGNUM);
#ifdef SAVED_BYTES
fprintf_unfiltered (file,
"mips_dump_tdep: SAVED_BYTES = %d\n", SAVED_BYTES);

1
gdb/mips-tdep.h
View File

@ -77,6 +77,7 @@ enum
MIPS_T9_REGNUM = 25, /* Contains address of callee in PIC. */
MIPS_SP_REGNUM = 29,
MIPS_RA_REGNUM = 31,
MIPS_PS_REGNUM = 32, /* Contains processor status. */
MIPS_EMBED_LO_REGNUM = 33,
MIPS_EMBED_HI_REGNUM = 34,
MIPS_EMBED_BADVADDR_REGNUM = 35,

2
gdb/mipsv4-nat.c
View File

@ -63,7 +63,7 @@ supply_gregset (gregset_t *gregsetp)
(char *) (regp + CXT_CAUSE));
/* Fill inaccessible registers with zero. */
regcache_raw_supply (current_regcache, PS_REGNUM, zerobuf);
regcache_raw_supply (current_regcache, MIPS_PS_REGNUM, zerobuf);
regcache_raw_supply (current_regcache,
mips_regnum (current_gdbarch)->badvaddr,
zerobuf);

4
gdb/remote-vxmips.c
View File

@ -108,7 +108,7 @@ vx_read_register (int regno)
/* Copy SR, LO, HI, and PC. */
memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (PS_REGNUM)],
memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (MIPS_PS_REGNUM)],
&mips_greg_packet[MIPS_R_SR],
MIPS_GREG_SIZE);
memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->lo)],
@ -173,7 +173,7 @@ vx_write_register (int regno)
/* Copy SR, LO, HI, and PC. */
memcpy (&mips_greg_packet[MIPS_R_SR],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (PS_REGNUM)],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (MIPS_PS_REGNUM)],
MIPS_GREG_SIZE);
memcpy (&mips_greg_packet[MIPS_R_LO],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->lo)],