diff options
Diffstat (limited to 'gdb/ppc-linux-nat.c')
| -rw-r--r-- | gdb/ppc-linux-nat.c | 89 |
1 files changed, 48 insertions, 41 deletions
diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c index 7735fc0..f1758c8 100644 --- a/gdb/ppc-linux-nat.c +++ b/gdb/ppc-linux-nat.c @@ -227,8 +227,9 @@ fetch_altivec_register (struct regcache *regcache, int tid, int regno) int ret; int offset = 0; gdb_vrregset_t regs; - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); - int vrregsize = register_size (current_gdbarch, tdep->ppc_vr0_regnum); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + int vrregsize = register_size (gdbarch, tdep->ppc_vr0_regnum); ret = ptrace (PTRACE_GETVRREGS, tid, 0, ®s); if (ret < 0) @@ -246,7 +247,7 @@ fetch_altivec_register (struct regcache *regcache, int tid, int regno) vector. VRSAVE is at the end of the array in a 4 bytes slot, so there is no need to define an offset for it. */ if (regno == (tdep->ppc_vrsave_regnum - 1)) - offset = vrregsize - register_size (current_gdbarch, tdep->ppc_vrsave_regnum); + offset = vrregsize - register_size (gdbarch, tdep->ppc_vrsave_regnum); regcache_raw_supply (regcache, regno, regs + (regno - tdep->ppc_vr0_regnum) * vrregsize + offset); @@ -289,15 +290,16 @@ get_spe_registers (int tid, struct gdb_evrregset_t *evrregset) static void fetch_spe_register (struct regcache *regcache, int tid, int regno) { - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); struct gdb_evrregset_t evrregs; gdb_assert (sizeof (evrregs.evr[0]) - == register_size (current_gdbarch, tdep->ppc_ev0_upper_regnum)); + == register_size (gdbarch, tdep->ppc_ev0_upper_regnum)); gdb_assert (sizeof (evrregs.acc) - == register_size (current_gdbarch, tdep->ppc_acc_regnum)); + == register_size (gdbarch, tdep->ppc_acc_regnum)); gdb_assert (sizeof (evrregs.spefscr) - == register_size (current_gdbarch, tdep->ppc_spefscr_regnum)); + == register_size (gdbarch, tdep->ppc_spefscr_regnum)); get_spe_registers (tid, &evrregs); @@ -327,7 +329,8 @@ fetch_spe_register (struct regcache *regcache, int tid, int regno) static void fetch_register (struct regcache *regcache, int tid, int regno) { - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); /* This isn't really an address. But ptrace thinks of it as one. */ CORE_ADDR regaddr = ppc_register_u_addr (regno); int bytes_transferred; @@ -357,7 +360,7 @@ fetch_register (struct regcache *regcache, int tid, int regno) if (regaddr == -1) { - memset (buf, '\0', register_size (current_gdbarch, regno)); /* Supply zeroes */ + memset (buf, '\0', register_size (gdbarch, regno)); /* Supply zeroes */ regcache_raw_supply (regcache, regno, buf); return; } @@ -366,7 +369,7 @@ fetch_register (struct regcache *regcache, int tid, int regno) 32-bit platform, 64-bit floating-point registers will require two transfers. */ for (bytes_transferred = 0; - bytes_transferred < register_size (current_gdbarch, regno); + bytes_transferred < register_size (gdbarch, regno); bytes_transferred += sizeof (long)) { errno = 0; @@ -377,7 +380,7 @@ fetch_register (struct regcache *regcache, int tid, int regno) { char message[128]; sprintf (message, "reading register %s (#%d)", - gdbarch_register_name (current_gdbarch, regno), regno); + gdbarch_register_name (gdbarch, regno), regno); perror_with_name (message); } } @@ -385,34 +388,34 @@ fetch_register (struct regcache *regcache, int tid, int regno) /* Now supply the register. Keep in mind that the regcache's idea of the register's size may not be a multiple of sizeof (long). */ - if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_LITTLE) + if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE) { /* Little-endian values are always found at the left end of the bytes transferred. */ regcache_raw_supply (regcache, regno, buf); } - else if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG) + else if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) { /* Big-endian values are found at the right end of the bytes transferred. */ - size_t padding = (bytes_transferred - - register_size (current_gdbarch, regno)); + size_t padding = (bytes_transferred - register_size (gdbarch, regno)); regcache_raw_supply (regcache, regno, buf + padding); } else internal_error (__FILE__, __LINE__, _("fetch_register: unexpected byte order: %d"), - gdbarch_byte_order (current_gdbarch)); + gdbarch_byte_order (gdbarch)); } static void supply_vrregset (struct regcache *regcache, gdb_vrregset_t *vrregsetp) { int i; - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); int num_of_vrregs = tdep->ppc_vrsave_regnum - tdep->ppc_vr0_regnum + 1; - int vrregsize = register_size (current_gdbarch, tdep->ppc_vr0_regnum); - int offset = vrregsize - register_size (current_gdbarch, tdep->ppc_vrsave_regnum); + int vrregsize = register_size (gdbarch, tdep->ppc_vr0_regnum); + int offset = vrregsize - register_size (gdbarch, tdep->ppc_vrsave_regnum); for (i = 0; i < num_of_vrregs; i++) { @@ -452,14 +455,15 @@ static void fetch_ppc_registers (struct regcache *regcache, int tid) { int i; - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); for (i = 0; i < ppc_num_gprs; i++) fetch_register (regcache, tid, tdep->ppc_gp0_regnum + i); if (tdep->ppc_fp0_regnum >= 0) for (i = 0; i < ppc_num_fprs; i++) fetch_register (regcache, tid, tdep->ppc_fp0_regnum + i); - fetch_register (regcache, tid, gdbarch_pc_regnum (current_gdbarch)); + fetch_register (regcache, tid, gdbarch_pc_regnum (gdbarch)); if (tdep->ppc_ps_regnum != -1) fetch_register (regcache, tid, tdep->ppc_ps_regnum); if (tdep->ppc_cr_regnum != -1) @@ -507,8 +511,9 @@ store_altivec_register (const struct regcache *regcache, int tid, int regno) int ret; int offset = 0; gdb_vrregset_t regs; - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); - int vrregsize = register_size (current_gdbarch, tdep->ppc_vr0_regnum); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + int vrregsize = register_size (gdbarch, tdep->ppc_vr0_regnum); ret = ptrace (PTRACE_GETVRREGS, tid, 0, ®s); if (ret < 0) @@ -524,7 +529,7 @@ store_altivec_register (const struct regcache *regcache, int tid, int regno) /* VSCR is fetched as a 16 bytes quantity, but it is really 4 bytes long on the hardware. */ if (regno == (tdep->ppc_vrsave_regnum - 1)) - offset = vrregsize - register_size (current_gdbarch, tdep->ppc_vrsave_regnum); + offset = vrregsize - register_size (gdbarch, tdep->ppc_vrsave_regnum); regcache_raw_collect (regcache, regno, regs + (regno - tdep->ppc_vr0_regnum) * vrregsize + offset); @@ -569,15 +574,16 @@ set_spe_registers (int tid, struct gdb_evrregset_t *evrregset) static void store_spe_register (const struct regcache *regcache, int tid, int regno) { - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); struct gdb_evrregset_t evrregs; gdb_assert (sizeof (evrregs.evr[0]) - == register_size (current_gdbarch, tdep->ppc_ev0_upper_regnum)); + == register_size (gdbarch, tdep->ppc_ev0_upper_regnum)); gdb_assert (sizeof (evrregs.acc) - == register_size (current_gdbarch, tdep->ppc_acc_regnum)); + == register_size (gdbarch, tdep->ppc_acc_regnum)); gdb_assert (sizeof (evrregs.spefscr) - == register_size (current_gdbarch, tdep->ppc_spefscr_regnum)); + == register_size (gdbarch, tdep->ppc_spefscr_regnum)); if (regno == -1) /* Since we're going to write out every register, the code below @@ -623,7 +629,8 @@ store_spe_register (const struct regcache *regcache, int tid, int regno) static void store_register (const struct regcache *regcache, int tid, int regno) { - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); /* This isn't really an address. But ptrace thinks of it as one. */ CORE_ADDR regaddr = ppc_register_u_addr (regno); int i; @@ -648,18 +655,16 @@ store_register (const struct regcache *regcache, int tid, int regno) idea of the register's size may not be a multiple of sizeof (long). */ memset (buf, 0, sizeof buf); - bytes_to_transfer = align_up (register_size (current_gdbarch, regno), - sizeof (long)); - if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_LITTLE) + bytes_to_transfer = align_up (register_size (gdbarch, regno), sizeof (long)); + if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE) { /* Little-endian values always sit at the left end of the buffer. */ regcache_raw_collect (regcache, regno, buf); } - else if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG) + else if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) { /* Big-endian values sit at the right end of the buffer. */ - size_t padding = (bytes_to_transfer - - register_size (current_gdbarch, regno)); + size_t padding = (bytes_to_transfer - register_size (gdbarch, regno)); regcache_raw_collect (regcache, regno, buf + padding); } @@ -681,7 +686,7 @@ store_register (const struct regcache *regcache, int tid, int regno) { char message[128]; sprintf (message, "writing register %s (#%d)", - gdbarch_register_name (current_gdbarch, regno), regno); + gdbarch_register_name (gdbarch, regno), regno); perror_with_name (message); } } @@ -691,10 +696,11 @@ static void fill_vrregset (const struct regcache *regcache, gdb_vrregset_t *vrregsetp) { int i; - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); int num_of_vrregs = tdep->ppc_vrsave_regnum - tdep->ppc_vr0_regnum + 1; - int vrregsize = register_size (current_gdbarch, tdep->ppc_vr0_regnum); - int offset = vrregsize - register_size (current_gdbarch, tdep->ppc_vrsave_regnum); + int vrregsize = register_size (gdbarch, tdep->ppc_vr0_regnum); + int offset = vrregsize - register_size (gdbarch, tdep->ppc_vrsave_regnum); for (i = 0; i < num_of_vrregs; i++) { @@ -736,14 +742,15 @@ static void store_ppc_registers (const struct regcache *regcache, int tid) { int i; - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); for (i = 0; i < ppc_num_gprs; i++) store_register (regcache, tid, tdep->ppc_gp0_regnum + i); if (tdep->ppc_fp0_regnum >= 0) for (i = 0; i < ppc_num_fprs; i++) store_register (regcache, tid, tdep->ppc_fp0_regnum + i); - store_register (regcache, tid, gdbarch_pc_regnum (current_gdbarch)); + store_register (regcache, tid, gdbarch_pc_regnum (gdbarch)); if (tdep->ppc_ps_regnum != -1) store_register (regcache, tid, tdep->ppc_ps_regnum); if (tdep->ppc_cr_regnum != -1) |