diff options
Diffstat (limited to 'gdb/spu-tdep.c')
-rw-r--r-- | gdb/spu-tdep.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/gdb/spu-tdep.c b/gdb/spu-tdep.c index b070993..7f0cd7d 100644 --- a/gdb/spu-tdep.c +++ b/gdb/spu-tdep.c @@ -183,61 +183,66 @@ spu_register_type (struct gdbarch *gdbarch, int reg_nr) /* Pseudo registers for preferred slots - stack pointer. */ -static void +static enum register_status spu_pseudo_register_read_spu (struct regcache *regcache, const char *regname, gdb_byte *buf) { struct gdbarch *gdbarch = get_regcache_arch (regcache); enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); + enum register_status status; gdb_byte reg[32]; char annex[32]; ULONGEST id; - regcache_raw_read_unsigned (regcache, SPU_ID_REGNUM, &id); + status = regcache_raw_read_unsigned (regcache, SPU_ID_REGNUM, &id); + if (status != REG_VALID) + return status; xsnprintf (annex, sizeof annex, "%d/%s", (int) id, regname); memset (reg, 0, sizeof reg); target_read (¤t_target, TARGET_OBJECT_SPU, annex, reg, 0, sizeof reg); store_unsigned_integer (buf, 4, byte_order, strtoulst (reg, NULL, 16)); + return REG_VALID; } -static void +static enum register_status spu_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int regnum, gdb_byte *buf) { gdb_byte reg[16]; char annex[32]; ULONGEST id; + enum register_status status; switch (regnum) { case SPU_SP_REGNUM: - regcache_raw_read (regcache, SPU_RAW_SP_REGNUM, reg); + status = regcache_raw_read (regcache, SPU_RAW_SP_REGNUM, reg); + if (status != REG_VALID) + return status; memcpy (buf, reg, 4); - break; + return status; case SPU_FPSCR_REGNUM: - regcache_raw_read_unsigned (regcache, SPU_ID_REGNUM, &id); + status = regcache_raw_read_unsigned (regcache, SPU_ID_REGNUM, &id); + if (status != REG_VALID) + return status; xsnprintf (annex, sizeof annex, "%d/fpcr", (int) id); target_read (¤t_target, TARGET_OBJECT_SPU, annex, buf, 0, 16); - break; + return status; case SPU_SRR0_REGNUM: - spu_pseudo_register_read_spu (regcache, "srr0", buf); - break; + return spu_pseudo_register_read_spu (regcache, "srr0", buf); case SPU_LSLR_REGNUM: - spu_pseudo_register_read_spu (regcache, "lslr", buf); - break; + return spu_pseudo_register_read_spu (regcache, "lslr", buf); case SPU_DECR_REGNUM: - spu_pseudo_register_read_spu (regcache, "decr", buf); - break; + return spu_pseudo_register_read_spu (regcache, "decr", buf); case SPU_DECR_STATUS_REGNUM: - spu_pseudo_register_read_spu (regcache, "decr_status", buf); - break; + return spu_pseudo_register_read_spu (regcache, "decr_status", buf); default: internal_error (__FILE__, __LINE__, _("invalid regnum")); |