(alpha_supply_fp_regs, alpha_fill_fp_regs): New.
* alpha-tdep.h: Declare them.
* alpha-nat.c (fetch_osf_core_registers): Constify core_reg_mapping.
Remove zerobuf. Don't error on UNIQUE.
(fetch_elf_core_registers): Use alpha_supply_{int,fp}_regs.
(ALPHA_REGSET_UNIQUE): Provide default.
(supply_gregset): Use alpha_supply_int_regs.
(fill_gregset): Use alpha_fill_int_regs.
(supply_fpregset): Use alpha_supply_fp_regs.
(fill_fpregset): Use alpha_fill_fp_regs.
* alphabsd-tdep.c (NUM_GREGS, NUM_FPREGS): Remove.
(alphabsd_supply_reg): Use alpha_supply_int_regs.
(alphabsd_fill_reg): Use alpha_fill_int_regs.
(alphabsd_supply_fpreg): Use alpha_supply_fp_regs.
(alphabsd_fill_fpreg): Use alpha_fill_fp_regs.
* config/alpha/nm-linux.h (ALPHA_REGSET_UNIQUE): New.
+2003-06-02 Richard Henderson <rth@redhat.com>
+
+ * alpha-tdep.c (alpha_supply_int_regs, alpha_fill_int_regs): New.
+ (alpha_supply_fp_regs, alpha_fill_fp_regs): New.
+ * alpha-tdep.h: Declare them.
+
+ * alpha-nat.c (fetch_osf_core_registers): Constify core_reg_mapping.
+ Remove zerobuf. Don't error on UNIQUE.
+ (fetch_elf_core_registers): Use alpha_supply_{int,fp}_regs.
+ (ALPHA_REGSET_UNIQUE): Provide default.
+ (supply_gregset): Use alpha_supply_int_regs.
+ (fill_gregset): Use alpha_fill_int_regs.
+ (supply_fpregset): Use alpha_supply_fp_regs.
+ (fill_fpregset): Use alpha_fill_fp_regs.
+ * alphabsd-tdep.c (NUM_GREGS, NUM_FPREGS): Remove.
+ (alphabsd_supply_reg): Use alpha_supply_int_regs.
+ (alphabsd_fill_reg): Use alpha_fill_int_regs.
+ (alphabsd_supply_fpreg): Use alpha_supply_fp_regs.
+ (alphabsd_fill_fpreg): Use alpha_fill_fp_regs.
+ * config/alpha/nm-linux.h (ALPHA_REGSET_UNIQUE): New.
+
2003-06-02 Richard Henderson <rth@redhat.com>
* alpha-tdep.c (alpha_store_return_value): Avoid switch fallthru.
2003-06-02 Richard Henderson <rth@redhat.com>
- * alpha-tdep.c (alpha_push_dummy_call): Use
- builtin_type_ieee_double_little instead of builtin_type_double.
+ * alpha-tdep.c (alpha_push_dummy_call): Use
+ builtin_type_ieee_double_little instead of builtin_type_double.
- * alpha-tdep.c (alpha_push_dummy_call): Handle ABI mandated
- sign-extension of 32-bit values.
- (alpha_store_return_value): Similarly.
+ * alpha-tdep.c (alpha_push_dummy_call): Handle ABI mandated
+ sign-extension of 32-bit values.
+ (alpha_store_return_value): Similarly.
- * alpha-tdep.c (alpha_push_dummy_call): Handle COMPLEX types.
- (alpha_extract_return_value): Likewise.
- (alpha_store_return_value): Likewise.
+ * alpha-tdep.c (alpha_push_dummy_call): Handle COMPLEX types.
+ (alpha_extract_return_value): Likewise.
+ (alpha_store_return_value): Likewise.
- * alpha-tdep.c (alpha_extract_return_value): Handle IEEE Quad floats.
- (alpha_store_return_value): Error on IEEE Quad floats.
+ * alpha-tdep.c (alpha_extract_return_value): Handle IEEE Quad floats.
+ (alpha_store_return_value): Error on IEEE Quad floats.
- * alpha-tdep.c (alpha_extract_return_value): Convert to regcache.
- (alpha_extract_struct_value_address): Likewise.
- (alpha_store_return_value): Likewise.
- (alpha_store_struct_return): Remove.
- (alpha_gdbarch_init): Update hook registration to match.
+ * alpha-tdep.c (alpha_extract_return_value): Convert to regcache.
+ (alpha_extract_struct_value_address): Likewise.
+ (alpha_store_return_value): Likewise.
+ (alpha_store_struct_return): Remove.
+ (alpha_gdbarch_init): Update hook registration to match.
- * alpha-tdep.c (alpha_register_convert_to_virtual): Tidy use of
- deprecated interfaces; use ALPHA_REGISTER_SIZE instead of gdbarch
- macros where appropriate.
- (alpha_register_convert_to_raw): Similarly. Use unpack_long.
- (alpha_convert_flt_dbl, alpha_convert_dbl_flt): New.
+ * alpha-tdep.c (alpha_register_convert_to_virtual): Tidy use of
+ deprecated interfaces; use ALPHA_REGISTER_SIZE instead of gdbarch
+ macros where appropriate.
+ (alpha_register_convert_to_raw): Similarly. Use unpack_long.
+ (alpha_convert_flt_dbl, alpha_convert_dbl_flt): New.
- * alpha-tdep.c (alpha_register_virtual_type): Use void_data_ptr
- for SP, GP; void_func_ptr for PC; non-language-specific types
- for all others.
- * alpha-tdep.h (ALPHA_GP_REGNUM): New.
+ * alpha-tdep.c (alpha_register_virtual_type): Use void_data_ptr
+ for SP, GP; void_func_ptr for PC; non-language-specific types
+ for all others.
+ * alpha-tdep.h (ALPHA_GP_REGNUM): New.
2003-06-02 Richard Henderson <rth@redhat.com>
2003-06-01 Richard Henderson <rth@redhat.com>
- * Makefile.in (ALLDEPFILES): Add alpha-mdebug-tdep.c.
- (alpha-linux-tdep.o): Update dependencies.
- (alpha-nat.o, alpha-tdep.o, alpha-mdebug-tdep.o): Likewise.
- * alpha-mdebug-tdep.c: Remove unneeded includes.
+ * Makefile.in (ALLDEPFILES): Add alpha-mdebug-tdep.c.
+ (alpha-linux-tdep.o): Update dependencies.
+ (alpha-nat.o, alpha-tdep.o, alpha-mdebug-tdep.o): Likewise.
+ * alpha-mdebug-tdep.c: Remove unneeded includes.
2003-06-01 Richard Henderson <rth@redhat.com>
- * alpha-tdep.c (alpha_register_reggroup_p): New.
- (alpha_gdbarch_init): Register it.
+ * alpha-tdep.c (alpha_register_reggroup_p): New.
+ (alpha_gdbarch_init): Register it.
2003-06-02 Andrew Cagney <cagney@redhat.com>
2003-06-01 Richard Henderson <rth@redhat.com>
- * alpha-tdep.c (alpha_gdbarch_init): Use set_gdbarch_print_insn ...
- (_initialize_alpha_tdep): ... not deprecated_tm_print_insn.
+ * alpha-tdep.c (alpha_gdbarch_init): Use set_gdbarch_print_insn ...
+ (_initialize_alpha_tdep): ... not deprecated_tm_print_insn.
2003-06-01 Adam Fedor <fedor@gnu.org>
2003-06-01 Richard Henderson <rth@redhat.com>
- * alpha-tdep.h (ALPHA_FP_REGNUM): Remove.
- * alpha-tdep.c (alpha_register_name): Remove vfp entry.
- (alpha_cannot_fetch_register): Remove ALPHA_FP_REGNUM.
- (alpha_cannot_store_register): Likewise.
- * alphabsd-nat.c (fetch_inferior_registers): Don't set FP_REGNUM.
- * alpha-nat.c (supply_gregset): Likewise.
- * alphanbsd-tdep.c (fetch_core_registers): Likewise.
+ * alpha-tdep.h (ALPHA_FP_REGNUM): Remove.
+ * alpha-tdep.c (alpha_register_name): Remove vfp entry.
+ (alpha_cannot_fetch_register): Remove ALPHA_FP_REGNUM.
+ (alpha_cannot_store_register): Likewise.
+ * alphabsd-nat.c (fetch_inferior_registers): Don't set FP_REGNUM.
+ * alpha-nat.c (supply_gregset): Likewise.
+ * alphanbsd-tdep.c (fetch_core_registers): Likewise.
2003-06-01 Andrew Cagney <cagney@redhat.com>
2003-06-01 Richard Henderson <rth@redhat.com>
- * alpha-nat.c (fetch_osf_core_registers): Use ALPHA_REGISTER_SIZE
- instead of ALPHA_MAX_REGISTER_RAW_SIZE.
- (supply_gregset): Likewise.
- * alpha-tdep.c (alpha_store_return_value): Likewise.
- (alpha_get_longjmp_target): Likewise.
- (alpha_register_name): Constify array.
- (alpha_gdbarch_init): Remove deprecated_fp_regnum,
- deprecated_register_size, deprecated_register_bytes,
- deprecated_max_register_raw_size, deprecated_max_register_virtual_size.
- * alpha-tdep.h (ALPHA_MAX_REGISTER_RAW_SIZE): Remove.
- (ALPHA_MAX_REGISTER_VIRTUAL_SIZE): Remove.
+ * alpha-nat.c (fetch_osf_core_registers): Use ALPHA_REGISTER_SIZE
+ instead of ALPHA_MAX_REGISTER_RAW_SIZE.
+ (supply_gregset): Likewise.
+ * alpha-tdep.c (alpha_store_return_value): Likewise.
+ (alpha_get_longjmp_target): Likewise.
+ (alpha_register_name): Constify array.
+ (alpha_gdbarch_init): Remove deprecated_fp_regnum,
+ deprecated_register_size, deprecated_register_bytes,
+ deprecated_max_register_raw_size, deprecated_max_register_virtual_size.
+ * alpha-tdep.h (ALPHA_MAX_REGISTER_RAW_SIZE): Remove.
+ (ALPHA_MAX_REGISTER_VIRTUAL_SIZE): Remove.
2003-06-01 Richard Henderson <rth@redhat.com>
2003-06-01 Richard Henderson <rth@redhat.com>
- * dwarf2-frame.c (struct dwarf2_cie): Add saw_z_augmentation.
- (decode_frame_entry): Set it. Skip FDE augmentation.
+ * dwarf2-frame.c (struct dwarf2_cie): Add saw_z_augmentation.
+ (decode_frame_entry): Set it. Skip FDE augmentation.
2003-06-01 Richard Henderson <rth@redhat.com>
- * dwarf2-frame.c (dwarf2_frame_cache): Handle retaddr_column
- not overlapping PC_REGNUM.
+ * dwarf2-frame.c (dwarf2_frame_cache): Handle retaddr_column
+ not overlapping PC_REGNUM.
2003-06-01 Richard Henderson <rth@redhat.com>
- * alpha-tdep.c (alpha_push_dummy_call): Transmography from
- alpha_push_arguments. Don't dump argument register data to
- the target stack. Fix float and 128-bit long double semantics.
- Store $t12 and $ra as specified by the ABI. Use regcache everywhere.
- (alpha_fix_call_dummy): Remove.
- (alpha_call_dummy_words): Remove.
- (alpha_gdbarch_init): Kill deprecated call hooks; add push_dummy_call.
+ * alpha-tdep.c (alpha_push_dummy_call): Transmography from
+ alpha_push_arguments. Don't dump argument register data to
+ the target stack. Fix float and 128-bit long double semantics.
+ Store $t12 and $ra as specified by the ABI. Use regcache everywhere.
+ (alpha_fix_call_dummy): Remove.
+ (alpha_call_dummy_words): Remove.
+ (alpha_gdbarch_init): Kill deprecated call hooks; add push_dummy_call.
2003-06-01 Richard Henderson <rth@redhat.com>
OSF/1.2 core files. OSF5 uses different names for the register
enum list, need to handle two cases. The actual values are the
same. */
- static int core_reg_mapping[ALPHA_NUM_REGS] =
+ static int const core_reg_mapping[ALPHA_NUM_REGS] =
{
#ifdef NCF_REGS
#define EFL NCF_REGS
EF_PC, -1
#endif
};
- static char zerobuf[ALPHA_REGISTER_SIZE] = {0};
- for (regno = 0; regno < NUM_REGS; regno++)
+ for (regno = 0; regno < ALPHA_NUM_REGS; regno++)
{
if (CANNOT_FETCH_REGISTER (regno))
{
- supply_register (regno, zerobuf);
+ supply_register (regno, NULL);
continue;
}
addr = 8 * core_reg_mapping[regno];
if (addr < 0 || addr >= core_reg_size)
{
+ /* ??? UNIQUE is a new addition. Don't generate an error. */
+ if (regno == ALPHA_UNIQUE_REGNUM)
+ {
+ supply_register (regno, NULL);
+ continue;
+ }
if (bad_reg < 0)
bad_reg = regno;
}
return;
}
- if (which == 2)
+ switch (which)
{
- /* The FPU Registers. */
- memcpy (&deprecated_registers[REGISTER_BYTE (FP0_REGNUM)],
- core_reg_sect, 31 * 8);
- memset (&deprecated_registers[REGISTER_BYTE (FP0_REGNUM + 31)], 0, 8);
- memset (&deprecated_register_valid[FP0_REGNUM], 1, 32);
- }
- else
- {
- /* The General Registers. */
- memcpy (&deprecated_registers[REGISTER_BYTE (ALPHA_V0_REGNUM)],
- core_reg_sect, 31 * 8);
- memcpy (&deprecated_registers[REGISTER_BYTE (PC_REGNUM)],
- core_reg_sect + 31 * 8, 8);
- memset (&deprecated_registers[REGISTER_BYTE (ALPHA_ZERO_REGNUM)], 0, 8);
- memset (&deprecated_register_valid[ALPHA_V0_REGNUM], 1, 32);
- deprecated_register_valid[PC_REGNUM] = 1;
-
- if (core_reg_size >= 33 * 8)
- {
- memcpy (&deprecated_registers[REGISTER_BYTE (ALPHA_UNIQUE_REGNUM)],
- core_reg_sect + 32 * 8, 8);
- deprecated_register_valid[ALPHA_UNIQUE_REGNUM] = 1;
- }
+ case 0: /* integer registers */
+ /* PC is in slot 32; UNIQUE is in slot 33, if present. */
+ alpha_supply_int_regs (-1, core_reg_sect, core_reg_sect + 31*8,
+ (core_reg_size >= 33 * 8
+ ? core_reg_sect + 32*8 : NULL));
+ break;
+
+ case 2: /* floating-point registers */
+ /* FPCR is in slot 32. */
+ alpha_supply_fp_regs (-1, core_reg_sect, core_reg_sect + 31*8);
+ break;
+
+ default:
+ break;
}
}
/* Prototypes for supply_gregset etc. */
#include "gregset.h"
+/* Locate the UNIQUE value within the gregset_t. */
+#ifndef ALPHA_REGSET_UNIQUE
+#define ALPHA_REGSET_UNIQUE(ptr) NULL
+#endif
+
/*
* See the comment in m68k-tdep.c regarding the utility of these functions.
*/
void
supply_gregset (gdb_gregset_t *gregsetp)
{
- register int regi;
register long *regp = ALPHA_REGSET_BASE (gregsetp);
- static char zerobuf[ALPHA_REGISTER_SIZE] = {0};
+ void *unique = ALPHA_REGSET_UNIQUE (gregsetp);
- for (regi = 0; regi < 31; regi++)
- supply_register (regi, (char *) (regp + regi));
-
- supply_register (PC_REGNUM, (char *) (regp + 31));
-
- /* Fill inaccessible registers with zero. */
- supply_register (ALPHA_ZERO_REGNUM, zerobuf);
+ /* PC is in slot 32. */
+ alpha_supply_int_regs (-1, regp, regp + 31, unique);
}
void
fill_gregset (gdb_gregset_t *gregsetp, int regno)
{
- int regi;
register long *regp = ALPHA_REGSET_BASE (gregsetp);
+ void *unique = ALPHA_REGSET_UNIQUE (gregsetp);
- for (regi = 0; regi < 31; regi++)
- if ((regno == -1) || (regno == regi))
- *(regp + regi) = *(long *) &deprecated_registers[REGISTER_BYTE (regi)];
-
- if ((regno == -1) || (regno == PC_REGNUM))
- *(regp + 31) = *(long *) &deprecated_registers[REGISTER_BYTE (PC_REGNUM)];
+ /* PC is in slot 32. */
+ alpha_fill_int_regs (regno, regp, regp + 31, unique);
}
/*
void
supply_fpregset (gdb_fpregset_t *fpregsetp)
{
- register int regi;
register long *regp = ALPHA_REGSET_BASE (fpregsetp);
- for (regi = 0; regi < 32; regi++)
- supply_register (regi + FP0_REGNUM, (char *) (regp + regi));
+ /* FPCR is in slot 32. */
+ alpha_supply_fp_regs (-1, regp, regp + 31);
}
void
fill_fpregset (gdb_fpregset_t *fpregsetp, int regno)
{
- int regi;
register long *regp = ALPHA_REGSET_BASE (fpregsetp);
- for (regi = FP0_REGNUM; regi < FP0_REGNUM + 32; regi++)
- {
- if ((regno == -1) || (regno == regi))
- {
- *(regp + regi - FP0_REGNUM) =
- *(long *) &deprecated_registers[REGISTER_BYTE (regi)];
- }
- }
+ /* FPCR is in slot 32. */
+ alpha_fill_fp_regs (regno, regp, regp + 31);
}
#endif
\f
return pc;
}
+\f
+/* Helper routines for alpha*-nat.c files to move register sets to and
+ from core files. The UNIQUE pointer is allowed to be NULL, as most
+ targets don't supply this value in their core files. */
+
+void
+alpha_supply_int_regs (int regno, const void *r0_r30,
+ const void *pc, const void *unique)
+{
+ int i;
+
+ for (i = 0; i < 31; ++i)
+ if (regno == i || regno == -1)
+ supply_register (i, (const char *)r0_r30 + i*8);
+
+ if (regno == ALPHA_ZERO_REGNUM || regno == -1)
+ supply_register (ALPHA_ZERO_REGNUM, NULL);
+
+ if (regno == ALPHA_PC_REGNUM || regno == -1)
+ supply_register (ALPHA_PC_REGNUM, pc);
+
+ if (regno == ALPHA_UNIQUE_REGNUM || regno == -1)
+ supply_register (ALPHA_UNIQUE_REGNUM, unique);
+}
+
+void
+alpha_fill_int_regs (int regno, void *r0_r30, void *pc, void *unique)
+{
+ int i;
+
+ for (i = 0; i < 31; ++i)
+ if (regno == i || regno == -1)
+ regcache_collect (i, (char *)r0_r30 + i*8);
+
+ if (regno == ALPHA_PC_REGNUM || regno == -1)
+ regcache_collect (ALPHA_PC_REGNUM, pc);
+
+ if (unique && (regno == ALPHA_UNIQUE_REGNUM || regno == -1))
+ regcache_collect (ALPHA_UNIQUE_REGNUM, unique);
+}
+
+void
+alpha_supply_fp_regs (int regno, const void *f0_f30, const void *fpcr)
+{
+ int i;
+
+ for (i = ALPHA_FP0_REGNUM; i < ALPHA_FP0_REGNUM + 31; ++i)
+ if (regno == i || regno == -1)
+ supply_register (i, (const char *)f0_f30 + (i - ALPHA_FP0_REGNUM) * 8);
+
+ if (regno == ALPHA_FPCR_REGNUM || regno == -1)
+ supply_register (ALPHA_FPCR_REGNUM, fpcr);
+}
+
+void
+alpha_fill_fp_regs (int regno, void *f0_f30, void *fpcr)
+{
+ int i;
+
+ for (i = ALPHA_FP0_REGNUM; i < ALPHA_FP0_REGNUM + 31; ++i)
+ if (regno == i || regno == -1)
+ regcache_collect (i, (char *)f0_f30 + (i - ALPHA_FP0_REGNUM) * 8);
+
+ if (regno == ALPHA_FPCR_REGNUM || regno == -1)
+ regcache_collect (ALPHA_FPCR_REGNUM, fpcr);
+}
+
\f
/* alpha_software_single_step() is called just before we want to resume
the inferior, if we want to single-step it but there is no hardware
extern void alpha_mdebug_init_abi (struct gdbarch_info, struct gdbarch *);
+extern void alpha_supply_int_regs (int, const void *, const void *,
+ const void *);
+extern void alpha_fill_int_regs (int, void *, void *, void *);
+extern void alpha_supply_fp_regs (int, const void *, const void *);
+extern void alpha_fill_fp_regs (int, void *, void *);
+
#endif /* ALPHA_TDEP_H */
Boston, MA 02111-1307, USA. */
#include "defs.h"
-#include "regcache.h"
#include "alpha-tdep.h"
#include "alphabsd-tdep.h"
-/* Number of general-purpose registers. */
-#define NUM_GREGS 32
-
-/* Number of floating-point registers. */
-#define NUM_FPREGS 31
-
/* Conviently, GDB uses the same register numbering as the
ptrace register structure used by BSD on Alpha. */
void
alphabsd_supply_reg (char *regs, int regno)
{
- int i;
-
- for (i = 0; i < NUM_GREGS; i++)
- {
- if (i == regno || regno == -1)
- {
- if (CANNOT_FETCH_REGISTER (i))
- supply_register (i, NULL);
- else
- supply_register (i, regs + (i * 8));
- }
- }
-
- /* The PC travels in the ZERO slot. */
- if (regno == PC_REGNUM || regno == -1)
- supply_register (PC_REGNUM, regs + (31 * 8));
+ /* PC is at slot 32; UNIQUE not present. */
+ alpha_supply_int_regs (regno, regs, regs + 31*8, NULL);
}
void
alphabsd_fill_reg (char *regs, int regno)
{
- int i;
-
- for (i = 0; i < NUM_GREGS; i++)
- if ((regno == i || regno == -1) && ! CANNOT_STORE_REGISTER (i))
- regcache_collect (i, regs + (i * 8));
-
- /* The PC travels in the ZERO slot. */
- if (regno == PC_REGNUM || regno == -1)
- regcache_collect (PC_REGNUM, regs + (31 * 8));
+ /* PC is at slot 32; UNIQUE not present. */
+ alpha_fill_int_regs (regno, regs, regs + 31*8, NULL);
}
void
alphabsd_supply_fpreg (char *fpregs, int regno)
{
- int i;
-
- for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++)
- {
- if (i == regno || regno == -1)
- {
- if (CANNOT_FETCH_REGISTER (i))
- supply_register (i, NULL);
- else
- supply_register (i, fpregs + ((i - FP0_REGNUM) * 8));
- }
- }
-
- if (regno == ALPHA_FPCR_REGNUM || regno == -1)
- supply_register (ALPHA_FPCR_REGNUM, fpregs + (32 * 8));
+ /* FPCR is at slot 33; slot 32 unused. */
+ alpha_supply_fp_regs (regno, regs, regs + 32*8);
}
void
alphabsd_fill_fpreg (char *fpregs, int regno)
{
- int i;
-
- for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++)
- if ((regno == i || regno == -1) && ! CANNOT_STORE_REGISTER (i))
- regcache_collect (i, fpregs + ((i - FP0_REGNUM) * 8));
-
- if (regno == ALPHA_FPCR_REGNUM || regno == -1)
- regcache_collect (ALPHA_FPCR_REGNUM, fpregs + (32 * 8));
+ /* FPCR is at slot 33; slot 32 unused. */
+ alpha_fill_fp_regs (regno, regs, regs + 32*8);
}
pointer to the first register. */
#define ALPHA_REGSET_BASE(regsetp) ((long *) (regsetp))
+/* Given a pointer to a gregset_t, locate the UNIQUE value. */
+#define ALPHA_REGSET_UNIQUE(regsetp) ((long *)(regsetp) + 32)
+
/* The address of UNIQUE for ptrace. */
#define ALPHA_UNIQUE_PTRACE_ADDR 65
projects / binutils-gdb.git / commitdiff