/* Target-dependent code for Moxie.
- Copyright (C) 2009-2014 Free Software Foundation, Inc.
+ Copyright (C) 2009-2017 Free Software Foundation, Inc.
This file is part of GDB.
#include "record-full.h"
#include "moxie-tdep.h"
+#include <algorithm>
/* Local functions. */
return sp & ~1;
}
-/* Implement the "breakpoint_from_pc" gdbarch method. */
+constexpr gdb_byte moxie_break_insn[] = { 0x35, 0x00 };
-static const unsigned char *
-moxie_breakpoint_from_pc (struct gdbarch *gdbarch,
- CORE_ADDR *pcptr, int *lenptr)
-{
- static unsigned char breakpoint[] = { 0x35, 0x00 };
-
- *lenptr = sizeof (breakpoint);
- return breakpoint;
-}
+typedef BP_MANIPULATION (moxie_break_insn) moxie_breakpoint;
/* Moxie register names. */
static void
moxie_store_return_value (struct type *type, struct regcache *regcache,
- const void *valbuf)
+ const gdb_byte *valbuf)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
regcache_cooked_write_unsigned (regcache, RET1_REGNUM, regval);
if (len > 4)
{
- regval = extract_unsigned_integer ((gdb_byte *) valbuf + 4,
- len - 4, byte_order);
+ regval = extract_unsigned_integer (valbuf + 4, len - 4, byte_order);
regcache_cooked_write_unsigned (regcache, RET1_REGNUM + 1, regval);
}
}
CORE_ADDR post_prologue_pc
= skip_prologue_using_sal (gdbarch, func_addr);
if (post_prologue_pc != 0)
- return max (pc, post_prologue_pc);
+ return std::max (pc, post_prologue_pc);
else
{
/* Can't determine prologue from the symbol table, need to examine
plg_end = moxie_analyze_prologue (func_addr,
func_end, &cache, gdbarch);
/* Found a function. */
- sym = lookup_symbol (func_name, NULL, VAR_DOMAIN, NULL);
+ sym = lookup_symbol (func_name, NULL, VAR_DOMAIN, NULL).symbol;
/* Don't use line number debug info for assembly source
files. */
if (sym && SYMBOL_LANGUAGE (sym) != language_asm)
/* Insert a single step breakpoint. */
-static int
-moxie_software_single_step (struct frame_info *frame)
+static VEC (CORE_ADDR) *
+moxie_software_single_step (struct regcache *regcache)
{
- struct gdbarch *gdbarch = get_frame_arch (frame);
- struct address_space *aspace = get_frame_address_space (frame);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
CORE_ADDR addr;
gdb_byte buf[4];
uint16_t inst;
uint32_t tmpu32;
ULONGEST fp;
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- struct regcache *regcache = get_current_regcache ();
+ VEC (CORE_ADDR) *next_pcs = NULL;
- addr = get_frame_pc (frame);
+ addr = regcache_read_pc (regcache);
inst = (uint16_t) moxie_process_readu (addr, buf, 2, byte_order);
case 0x09: /* bleu */
/* Insert breaks on both branches, because we can't currently tell
which way things will go. */
- insert_single_step_breakpoint (gdbarch, aspace, addr + 2);
- insert_single_step_breakpoint (gdbarch, aspace, addr + 2 + INST2OFFSET(inst));
+ VEC_safe_push (CORE_ADDR, next_pcs, addr + 2);
+ VEC_safe_push (CORE_ADDR, next_pcs,
+ addr + 2 + INST2OFFSET(inst));
break;
default:
{
else
{
/* This is a Form 2 instruction. They are all 16 bits. */
- insert_single_step_breakpoint (gdbarch, aspace, addr + 2);
+ VEC_safe_push (CORE_ADDR, next_pcs, addr + 2);
}
}
else
case 0x32: /* udiv.l */
case 0x33: /* mod.l */
case 0x34: /* umod.l */
- insert_single_step_breakpoint (gdbarch, aspace, addr + 2);
+ VEC_safe_push (CORE_ADDR, next_pcs, addr + 2);
break;
/* 32-bit instructions. */
case 0x37: /* sto.b */
case 0x38: /* ldo.s */
case 0x39: /* sto.s */
- insert_single_step_breakpoint (gdbarch, aspace, addr + 4);
+ VEC_safe_push (CORE_ADDR, next_pcs, addr + 4);
break;
/* 48-bit instructions. */
case 0x20: /* ldi.s (immediate) */
case 0x22: /* lda.s */
case 0x24: /* sta.s */
- insert_single_step_breakpoint (gdbarch, aspace, addr + 6);
+ VEC_safe_push (CORE_ADDR, next_pcs, addr + 6);
break;
/* Control flow instructions. */
case 0x03: /* jsra */
case 0x1a: /* jmpa */
- insert_single_step_breakpoint (gdbarch, aspace,
- moxie_process_readu (addr + 2,
- buf, 4,
- byte_order));
+ VEC_safe_push (CORE_ADDR, next_pcs,
+ moxie_process_readu (addr + 2, buf, 4, byte_order));
break;
case 0x04: /* ret */
regcache_cooked_read_unsigned (regcache, MOXIE_FP_REGNUM, &fp);
- insert_single_step_breakpoint (gdbarch, aspace,
- moxie_process_readu (fp + 4,
- buf, 4,
- byte_order));
+ VEC_safe_push (CORE_ADDR, next_pcs,
+ moxie_process_readu (fp + 4, buf, 4, byte_order));
break;
case 0x19: /* jsr */
case 0x25: /* jmp */
regcache_raw_read (regcache,
(inst >> 4) & 0xf, (gdb_byte *) & tmpu32);
- insert_single_step_breakpoint (gdbarch, aspace,
- tmpu32);
+ VEC_safe_push (CORE_ADDR, next_pcs, tmpu32);
break;
case 0x30: /* swi */
}
}
- return 1;
+ return next_pcs;
}
/* Implement the "read_pc" gdbarch method. */
static void
moxie_extract_return_value (struct type *type, struct regcache *regcache,
- void *dst)
+ gdb_byte *dst)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- bfd_byte *valbuf = dst;
int len = TYPE_LENGTH (type);
ULONGEST tmp;
/* By using store_unsigned_integer we avoid having to do
anything special for small big-endian values. */
regcache_cooked_read_unsigned (regcache, RET1_REGNUM, &tmp);
- store_unsigned_integer (valbuf, (len > 4 ? len - 4 : len), byte_order, tmp);
+ store_unsigned_integer (dst, (len > 4 ? len - 4 : len), byte_order, tmp);
/* Ignore return values more than 8 bytes in size because the moxie
returns anything more than 8 bytes in the stack. */
if (len > 4)
{
regcache_cooked_read_unsigned (regcache, RET1_REGNUM + 1, &tmp);
- store_unsigned_integer (valbuf + len - 4, 4, byte_order, tmp);
+ store_unsigned_integer (dst + len - 4, 4, byte_order, tmp);
}
}
int i;
if (*this_cache)
- return *this_cache;
+ return (struct moxie_frame_cache *) *this_cache;
cache = moxie_alloc_frame_cache ();
*this_cache = cache;
set_gdbarch_skip_prologue (gdbarch, moxie_skip_prologue);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
- set_gdbarch_breakpoint_from_pc (gdbarch, moxie_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch,
+ moxie_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch,
+ moxie_breakpoint::bp_from_kind);
set_gdbarch_frame_align (gdbarch, moxie_frame_align);
frame_base_set_default (gdbarch, &moxie_frame_base);