time across a 2400 baud serial line. Allows the user to limit this
search. */
-static unsigned int heuristic_fence_post = 0;
+static int heuristic_fence_post = 0;
/* Number of bytes of storage in the actual machine representation for
register N. NOTE: This defines the pseudo register type so need to
int
mips_pc_is_mips (CORE_ADDR memaddr)
{
- struct minimal_symbol *sym;
+ struct bound_minimal_symbol sym;
/* Flags indicating that this is a MIPS16 or microMIPS function is
stored by elfread.c in the high bit of the info field. Use this
to decide if the function is standard MIPS. Otherwise if bit 0
of the address is clear, then this is a standard MIPS function. */
sym = lookup_minimal_symbol_by_pc (memaddr);
- if (sym)
- return msymbol_is_mips (sym);
+ if (sym.minsym)
+ return msymbol_is_mips (sym.minsym);
else
return is_mips_addr (memaddr);
}
int
mips_pc_is_mips16 (struct gdbarch *gdbarch, CORE_ADDR memaddr)
{
- struct minimal_symbol *sym;
+ struct bound_minimal_symbol sym;
/* A flag indicating that this is a MIPS16 function is stored by
elfread.c in the high bit of the info field. Use this to decide
if the function is MIPS16. Otherwise if bit 0 of the address is
set, then ELF file flags will tell if this is a MIPS16 function. */
sym = lookup_minimal_symbol_by_pc (memaddr);
- if (sym)
- return msymbol_is_mips16 (sym);
+ if (sym.minsym)
+ return msymbol_is_mips16 (sym.minsym);
else
return is_mips16_addr (gdbarch, memaddr);
}
int
mips_pc_is_micromips (struct gdbarch *gdbarch, CORE_ADDR memaddr)
{
- struct minimal_symbol *sym;
+ struct bound_minimal_symbol sym;
/* A flag indicating that this is a microMIPS function is stored by
elfread.c in the high bit of the info field. Use this to decide
is set, then ELF file flags will tell if this is a microMIPS
function. */
sym = lookup_minimal_symbol_by_pc (memaddr);
- if (sym)
- return msymbol_is_micromips (sym);
+ if (sym.minsym)
+ return msymbol_is_micromips (sym.minsym);
else
return is_micromips_addr (gdbarch, memaddr);
}
static enum mips_isa
mips_pc_isa (struct gdbarch *gdbarch, CORE_ADDR memaddr)
{
- struct minimal_symbol *sym;
+ struct bound_minimal_symbol sym;
/* A flag indicating that this is a MIPS16 or a microMIPS function
is stored by elfread.c in the high bit of the info field. Use
MIPS. Otherwise if bit 0 of the address is set, then ELF file
flags will tell if this is a MIPS16 or a microMIPS function. */
sym = lookup_minimal_symbol_by_pc (memaddr);
- if (sym)
+ if (sym.minsym)
{
- if (msymbol_is_micromips (sym))
+ if (msymbol_is_micromips (sym.minsym))
return ISA_MICROMIPS;
- else if (msymbol_is_mips16 (sym))
+ else if (msymbol_is_mips16 (sym.minsym))
return ISA_MIPS16;
else
return ISA_MIPS;
mips_read_pc (struct regcache *regcache)
{
int regnum = gdbarch_pc_regnum (get_regcache_arch (regcache));
- ULONGEST pc;
+ LONGEST pc;
regcache_cooked_read_signed (regcache, regnum, &pc);
if (is_compact_addr (pc))
frame_reg = 30;
frame_addr = get_frame_register_signed
(this_frame, gdbarch_num_regs (gdbarch) + 30);
+ frame_offset = 0;
alloca_adjust = (unsigned) (frame_addr - (sp + low_word));
if (alloca_adjust > 0)
gdb_byte dummy[4];
struct obj_section *s;
CORE_ADDR pc = get_frame_address_in_block (this_frame);
- struct minimal_symbol *msym;
+ struct bound_minimal_symbol msym;
/* Use the stub unwinder for unreadable code. */
if (target_read_memory (get_frame_pc (this_frame), dummy, 4) != 0)
return 1;
- if (in_plt_section (pc, NULL))
- return 1;
-
- /* Binutils for MIPS puts lazy resolution stubs into .MIPS.stubs. */
- s = find_pc_section (pc);
-
- if (s != NULL
- && strcmp (bfd_get_section_name (s->objfile->obfd, s->the_bfd_section),
- ".MIPS.stubs") == 0)
+ if (in_plt_section (pc) || in_mips_stubs_section (pc))
return 1;
/* Calling a PIC function from a non-PIC function passes through a
stub. The stub for foo is named ".pic.foo". */
msym = lookup_minimal_symbol_by_pc (pc);
- if (msym != NULL
- && SYMBOL_LINKAGE_NAME (msym) != NULL
- && strncmp (SYMBOL_LINKAGE_NAME (msym), ".pic.", 5) == 0)
+ if (msym.minsym != NULL
+ && SYMBOL_LINKAGE_NAME (msym.minsym) != NULL
+ && strncmp (SYMBOL_LINKAGE_NAME (msym.minsym), ".pic.", 5) == 0)
return 1;
return 0;
if (start_pc == 0)
return 0;
- if (heuristic_fence_post == UINT_MAX || fence < VM_MIN_ADDRESS)
+ if (heuristic_fence_post == -1 || fence < VM_MIN_ADDRESS)
fence = VM_MIN_ADDRESS;
instlen = mips_pc_is_mips (pc) ? MIPS_INSN32_SIZE : MIPS_INSN16_SIZE;
{
struct gdbarch *gdbarch = get_frame_arch (frame);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- struct minimal_symbol *msym;
+ struct bound_minimal_symbol msym;
int i;
gdb_byte stub_code[16];
int32_t stub_words[4];
instructions inserted before foo or a three instruction sequence
which jumps to foo. */
msym = lookup_minimal_symbol_by_pc (pc);
- if (msym == NULL
- || SYMBOL_VALUE_ADDRESS (msym) != pc
- || SYMBOL_LINKAGE_NAME (msym) == NULL
- || strncmp (SYMBOL_LINKAGE_NAME (msym), ".pic.", 5) != 0)
+ if (msym.minsym == NULL
+ || SYMBOL_VALUE_ADDRESS (msym.minsym) != pc
+ || SYMBOL_LINKAGE_NAME (msym.minsym) == NULL
+ || strncmp (SYMBOL_LINKAGE_NAME (msym.minsym), ".pic.", 5) != 0)
return 0;
/* A two-instruction header. */
- if (MSYMBOL_SIZE (msym) == 8)
+ if (MSYMBOL_SIZE (msym.minsym) == 8)
return pc + 8;
/* A three-instruction (plus delay slot) trampoline. */
- if (MSYMBOL_SIZE (msym) == 16)
+ if (MSYMBOL_SIZE (msym.minsym) == 16)
{
if (target_read_memory (pc, stub_code, 16) != 0)
return 0;