#include "frame.h"
#include "frame-unwind.h"
#include "frame-base.h"
+#include "dwarf2-frame.h"
#include "inferior.h"
#include "symtab.h"
#include "value.h"
if (REGISTER_NAME (regnum) == NULL || *REGISTER_NAME (regnum) == '\0')
return 0;
- /* Since we implement no pseudo registers, save/restore is equal to all. */
- if (group == all_reggroup
- || group == save_reggroup
- || group == restore_reggroup)
+ if (group == all_reggroup)
+ return 1;
+
+ /* Zero should not be saved or restored. Technically it is a general
+ register (just as $f31 would be a float if we represented it), but
+ there's no point displaying it during "info regs", so leave it out
+ of all groups except for "all". */
+ if (regnum == ALPHA_ZERO_REGNUM)
+ return 0;
+
+ /* All other registers are saved and restored. */
+ if (group == save_reggroup || group == restore_reggroup)
return 1;
/* All other groups are non-overlapping. */
/* Similarly, this represents exactly the conversion performed by
the STS instruction. */
-static inline void
+static void
alpha_sts (void *out, const void *in)
{
ULONGEST reg, mem;
registers is different. */
static int
-alpha_convert_register_p (int regno)
+alpha_convert_register_p (int regno, struct type *type)
{
return (regno >= ALPHA_FP0_REGNUM && regno < ALPHA_FP0_REGNUM + 31);
}
static void
-alpha_register_to_value (int regnum, struct type *valtype, char *in, char *out)
+alpha_register_to_value (struct frame_info *frame, int regnum,
+ struct type *valtype, void *out)
{
+ char in[MAX_REGISTER_SIZE];
+ frame_register_read (frame, regnum, in);
switch (TYPE_LENGTH (valtype))
{
case 4:
}
static void
-alpha_value_to_register (struct type *valtype, int regnum, char *in, char *out)
+alpha_value_to_register (struct frame_info *frame, int regnum,
+ struct type *valtype, const void *in)
{
+ char out[MAX_REGISTER_SIZE];
switch (TYPE_LENGTH (valtype))
{
case 4:
default:
error ("Cannot store value in floating point register");
}
+ put_frame_register (frame, regnum, out);
}
\f
}
}
-static int
-alpha_use_struct_convention (int gcc_p, struct type *type)
-{
- /* Structures are returned by ref in extra arg0. */
- return 1;
-}
-
\f
static const unsigned char *
alpha_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
return info;
}
-/* Return the address of REGNO in a sigtramp frame. Since this is all
- arithmetic, it doesn't seem worthwhile to cache it. */
-
-#ifndef SIGFRAME_PC_OFF
-#define SIGFRAME_PC_OFF (2 * 8)
-#define SIGFRAME_REGSAVE_OFF (4 * 8)
-#define SIGFRAME_FPREGSAVE_OFF (SIGFRAME_REGSAVE_OFF + 32 * 8 + 8)
-#endif
+/* Return the address of REGNUM in a sigtramp frame. Since this is
+ all arithmetic, it doesn't seem worthwhile to cache it. */
static CORE_ADDR
-alpha_sigtramp_register_address (CORE_ADDR sigcontext_addr, unsigned int regno)
+alpha_sigtramp_register_address (CORE_ADDR sigcontext_addr, int regnum)
{
- if (regno < 32)
- return sigcontext_addr + SIGFRAME_REGSAVE_OFF + regno * 8;
- if (regno >= ALPHA_FP0_REGNUM && regno < ALPHA_FP0_REGNUM + 32)
- return sigcontext_addr + SIGFRAME_FPREGSAVE_OFF + regno * 8;
- if (regno == ALPHA_PC_REGNUM)
- return sigcontext_addr + SIGFRAME_PC_OFF;
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+
+ if (regnum >= 0 && regnum < 32)
+ return sigcontext_addr + tdep->sc_regs_offset + regnum * 8;
+ else if (regnum >= ALPHA_FP0_REGNUM && regnum < ALPHA_FP0_REGNUM + 32)
+ return sigcontext_addr + tdep->sc_fpregs_offset + regnum * 8;
+ else if (regnum == ALPHA_PC_REGNUM)
+ return sigcontext_addr + tdep->sc_pc_offset;
return 0;
}
/* The stack address is trivially read from the sigcontext. */
stack_addr = alpha_sigtramp_register_address (info->sigcontext_addr,
ALPHA_SP_REGNUM);
- stack_addr = read_memory_unsigned_integer (stack_addr, ALPHA_REGISTER_SIZE);
+ stack_addr = get_frame_memory_unsigned (next_frame, stack_addr,
+ ALPHA_REGISTER_SIZE);
*this_id = frame_id_build (stack_addr, code_addr);
}
*addrp = addr;
*realnump = -1;
if (bufferp != NULL)
- read_memory (addr, bufferp, ALPHA_REGISTER_SIZE);
+ get_frame_memory (next_frame, addr, bufferp, ALPHA_REGISTER_SIZE);
return;
}
}
};
static const struct frame_unwind *
-alpha_sigtramp_frame_p (CORE_ADDR pc)
+alpha_sigtramp_frame_sniffer (struct frame_info *next_frame)
{
+ CORE_ADDR pc = frame_pc_unwind (next_frame);
char *name;
/* We shouldn't even bother to try if the OSABI didn't register
/* This is meant to halt the backtrace at "_start". Make sure we
don't halt it at a generic dummy frame. */
- if (inside_entry_file (info->start_pc))
+ if (deprecated_inside_entry_file (info->start_pc))
return;
*this_id = frame_id_build (info->vfp, info->start_pc);
*addrp = info->saved_regs[regnum];
*realnump = -1;
if (bufferp != NULL)
- read_memory (*addrp, bufferp, ALPHA_REGISTER_SIZE);
+ get_frame_memory (next_frame, *addrp, bufferp, ALPHA_REGISTER_SIZE);
return;
}
};
static const struct frame_unwind *
-alpha_heuristic_frame_p (CORE_ADDR pc)
+alpha_heuristic_frame_sniffer (struct frame_info *next_frame)
{
return &alpha_heuristic_frame_unwind;
}
int offset;
LONGEST rav;
- insn = read_memory_unsigned_integer (pc, sizeof (insn));
+ insn = alpha_read_insn (pc);
/* Opcode is top 6 bits. */
op = (insn >> 26) & 0x3f;
tdep->dynamic_sigtramp_offset = NULL;
tdep->sigcontext_addr = NULL;
+ tdep->sc_pc_offset = 2 * 8;
+ tdep->sc_regs_offset = 4 * 8;
+ tdep->sc_fpregs_offset = tdep->sc_regs_offset + 32 * 8 + 8;
tdep->jb_pc = -1; /* longjmp support not enabled by default */
set_gdbarch_fp0_regnum (gdbarch, ALPHA_FP0_REGNUM);
set_gdbarch_register_name (gdbarch, alpha_register_name);
- set_gdbarch_register_byte (gdbarch, alpha_register_byte);
- set_gdbarch_register_raw_size (gdbarch, alpha_register_raw_size);
- set_gdbarch_register_virtual_size (gdbarch, alpha_register_virtual_size);
+ set_gdbarch_deprecated_register_byte (gdbarch, alpha_register_byte);
+ set_gdbarch_deprecated_register_raw_size (gdbarch, alpha_register_raw_size);
+ set_gdbarch_deprecated_register_virtual_size (gdbarch, alpha_register_virtual_size);
set_gdbarch_register_type (gdbarch, alpha_register_type);
set_gdbarch_cannot_fetch_register (gdbarch, alpha_cannot_fetch_register);
set_gdbarch_print_insn (gdbarch, print_insn_alpha);
/* Call info. */
- set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
set_gdbarch_frameless_function_invocation (gdbarch,
generic_frameless_function_invocation_not);
- set_gdbarch_use_struct_convention (gdbarch, alpha_use_struct_convention);
+ set_gdbarch_use_struct_convention (gdbarch, always_use_struct_convention);
set_gdbarch_extract_return_value (gdbarch, alpha_extract_return_value);
set_gdbarch_store_return_value (gdbarch, alpha_store_return_value);
set_gdbarch_extract_struct_value_address (gdbarch,
/* Methods for saving / extracting a dummy frame's ID. */
set_gdbarch_unwind_dummy_id (gdbarch, alpha_unwind_dummy_id);
- set_gdbarch_save_dummy_frame_tos (gdbarch, generic_save_dummy_frame_tos);
/* Return the unwound PC value. */
set_gdbarch_unwind_pc (gdbarch, alpha_unwind_pc);
if (tdep->jb_pc >= 0)
set_gdbarch_get_longjmp_target (gdbarch, alpha_get_longjmp_target);
- frame_unwind_append_predicate (gdbarch, alpha_sigtramp_frame_p);
- frame_unwind_append_predicate (gdbarch, alpha_heuristic_frame_p);
+ frame_unwind_append_sniffer (gdbarch, alpha_sigtramp_frame_sniffer);
+ frame_unwind_append_sniffer (gdbarch, alpha_heuristic_frame_sniffer);
frame_base_set_default (gdbarch, &alpha_heuristic_frame_base);
return gdbarch;
}
+void
+alpha_dwarf2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
+ frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
+}
+
+extern initialize_file_ftype _initialize_alpha_tdep; /* -Wmissing-prototypes */
+
void
_initialize_alpha_tdep (void)
{
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