/* Target dependent code for ARC architecture, for GDB.
- Copyright 2005-2020 Free Software Foundation, Inc.
+ Copyright 2005-2022 Free Software Foundation, Inc.
Contributed by Synopsys Inc.
This file is part of GDB.
#include "frame-base.h"
#include "frame-unwind.h"
#include "gdbcore.h"
+#include "reggroups.h"
#include "gdbcmd.h"
#include "objfiles.h"
#include "osabi.h"
/* Store addresses for registers saved in prologue. During prologue analysis
GDB stores offsets relatively to "old SP", then after old SP is evaluated,
offsets are replaced with absolute addresses. */
- struct trad_frame_saved_reg *saved_regs;
+ trad_frame_saved_reg *saved_regs;
};
/* Global debug flag. */
-int arc_debug;
+bool arc_debug;
/* List of "maintenance print arc" commands. */
/* JLI and EI depend on optional AUX registers. Not supported right now. */
else if (insn.insn_class == JLI)
{
- fprintf_unfiltered (gdb_stderr,
- "JLI_S instruction is not supported by the GDB.");
+ gdb_printf (gdb_stderr,
+ "JLI_S instruction is not supported by the GDB.");
return 0;
}
else if (insn.insn_class == EI)
{
- fprintf_unfiltered (gdb_stderr,
- "EI_S instruction is not supported by the GDB.");
+ gdb_printf (gdb_stderr,
+ "EI_S instruction is not supported by the GDB.");
return 0;
}
/* LEAVE_S: PC = BLINK. */
{
struct gdbarch *gdbarch = regcache->arch ();
- if (arc_debug)
- debug_printf ("arc: Writing PC, new value=%s\n",
- paddress (gdbarch, new_pc));
+ arc_debug_printf ("Writing PC, new value=%s",
+ paddress (gdbarch, new_pc));
regcache_cooked_write_unsigned (regcache, gdbarch_pc_regnum (gdbarch),
new_pc);
if ((status32 & ARC_STATUS32_DE_MASK) != 0)
{
- if (arc_debug)
- {
- debug_printf ("arc: Changing PC while in delay slot. Will "
+ arc_debug_printf ("Changing PC while in delay slot. Will "
"reset STATUS32.DE bit to zero. Value of STATUS32 "
- "register is 0x%s\n",
+ "register is 0x%s",
phex (status32, ARC_REGISTER_SIZE));
- }
/* Reset bit and write to the cache. */
status32 &= ~0x40;
The stack grows downward, so SP points below FP in memory; SP always
points to the last used word on the stack, not the first one.
- | | |
- | arg word N | | caller's
- | : | | frame
- | arg word 10 | |
- | arg word 9 | |
- old SP ---> +-----------------------+ --+
- | | |
- | callee-saved | |
- | registers | |
- | including fp, blink | |
- | | | callee's
- new FP ---> +-----------------------+ | frame
- | | |
- | local | |
- | variables | |
- | | |
- | register | |
- | spill area | |
- | | |
- | outgoing args | |
- | | |
- new SP ---> +-----------------------+ --+
- | |
- | unused |
- | |
- |
- |
- V
- downwards
+ | | |
+ | arg word N | | caller's
+ | : | | frame
+ | arg word 10 | |
+ | arg word 9 | |
+ old SP ---> +-----------------------+ --+
+ | | |
+ | callee-saved | |
+ | registers | |
+ | including fp, blink | |
+ | | | callee's
+ new FP ---> +-----------------------+ | frame
+ | | |
+ | local | |
+ | variables | |
+ | | |
+ | register | |
+ | spill area | |
+ | | |
+ | outgoing args | |
+ | | |
+ new SP ---> +-----------------------+ --+
+ | |
+ | unused |
+ | |
+ |
+ |
+ V
+ downwards
The list of arguments to be passed to a function is considered to be a
sequence of _N_ words (as though all the parameters were stored in order in
function_call_return_method return_method,
CORE_ADDR struct_addr)
{
- if (arc_debug)
- debug_printf ("arc: push_dummy_call (nargs = %d)\n", nargs);
+ arc_debug_printf ("nargs = %d", nargs);
int arg_reg = ARC_FIRST_ARG_REGNUM;
/* Pass the return address in the first argument register. */
regcache_cooked_write_unsigned (regcache, arg_reg, struct_addr);
- if (arc_debug)
- debug_printf ("arc: struct return address %s passed in R%d",
- print_core_address (gdbarch, struct_addr), arg_reg);
+ arc_debug_printf ("struct return address %s passed in R%d",
+ print_core_address (gdbarch, struct_addr), arg_reg);
arg_reg++;
}
total_space += space;
- if (arc_debug)
- debug_printf ("arc: arg %d: %u bytes -> %u\n", i, len, space);
+ arc_debug_printf ("arg %d: %u bytes -> %u", i, len, space);
}
/* Allocate a buffer to hold a memory image of the arguments. */
unsigned int len = TYPE_LENGTH (value_type (args[i]));
unsigned int space = align_up (len, 4);
- memcpy (data, value_contents (args[i]), (size_t) len);
- if (arc_debug)
- debug_printf ("arc: copying arg %d, val 0x%08x, len %d to mem\n",
- i, *((int *) value_contents (args[i])), len);
+ memcpy (data, value_contents (args[i]).data (), (size_t) len);
+ arc_debug_printf ("copying arg %d, val 0x%08x, len %d to mem",
+ i, *((int *) value_contents (args[i]).data ()),
+ len);
data += space;
}
data = memory_image;
while (arg_reg <= ARC_LAST_ARG_REGNUM)
{
- if (arc_debug)
- debug_printf ("arc: passing 0x%02x%02x%02x%02x in register R%d\n",
- data[0], data[1], data[2], data[3], arg_reg);
+ arc_debug_printf ("passing 0x%02x%02x%02x%02x in register R%d",
+ data[0], data[1], data[2], data[3], arg_reg);
/* Note we don't use write_unsigned here, since that would convert
the byte order, but we are already in the correct byte order. */
operation). */
if (total_space > 0)
{
- if (arc_debug)
- debug_printf ("arc: passing %d bytes on stack\n", total_space);
+ arc_debug_printf ("passing %d bytes on stack\n", total_space);
sp -= total_space;
write_memory (sp, data, (int) total_space);
{
unsigned int len = TYPE_LENGTH (type);
- if (arc_debug)
- debug_printf ("arc: extract_return_value\n");
+ arc_debug_printf ("called");
if (len <= ARC_REGISTER_SIZE)
{
store_unsigned_integer (valbuf, (int) len,
gdbarch_byte_order (gdbarch), val);
- if (arc_debug)
- debug_printf ("arc: returning 0x%s\n", phex (val, ARC_REGISTER_SIZE));
+ arc_debug_printf ("returning 0x%s", phex (val, ARC_REGISTER_SIZE));
}
else if (len <= ARC_REGISTER_SIZE * 2)
{
(int) len - ARC_REGISTER_SIZE,
gdbarch_byte_order (gdbarch), high);
- if (arc_debug)
- debug_printf ("arc: returning 0x%s%s\n",
- phex (high, ARC_REGISTER_SIZE),
- phex (low, ARC_REGISTER_SIZE));
+ arc_debug_printf ("returning 0x%s%s",
+ phex (high, ARC_REGISTER_SIZE),
+ phex (low, ARC_REGISTER_SIZE));
}
else
error (_("arc: extract_return_value: type length %u too large"), len);
{
unsigned int len = TYPE_LENGTH (type);
- if (arc_debug)
- debug_printf ("arc: store_return_value\n");
+ arc_debug_printf ("called");
if (len <= ARC_REGISTER_SIZE)
{
gdbarch_byte_order (gdbarch));
regcache_cooked_write_unsigned (regcache, ARC_R0_REGNUM, val);
- if (arc_debug)
- debug_printf ("arc: storing 0x%s\n", phex (val, ARC_REGISTER_SIZE));
+ arc_debug_printf ("storing 0x%s", phex (val, ARC_REGISTER_SIZE));
}
else if (len <= ARC_REGISTER_SIZE * 2)
{
regcache_cooked_write_unsigned (regcache, ARC_R0_REGNUM, low);
regcache_cooked_write_unsigned (regcache, ARC_R1_REGNUM, high);
- if (arc_debug)
- debug_printf ("arc: storing 0x%s%s\n",
- phex (high, ARC_REGISTER_SIZE),
- phex (low, ARC_REGISTER_SIZE));
+ arc_debug_printf ("storing 0x%s%s",
+ phex (high, ARC_REGISTER_SIZE),
+ phex (low, ARC_REGISTER_SIZE));
}
else
error (_("arc_store_return_value: type length too large."));
static int
arc_get_longjmp_target (struct frame_info *frame, CORE_ADDR *pc)
{
- if (arc_debug)
- debug_printf ("arc: get_longjmp_target\n");
+ arc_debug_printf ("called");
struct gdbarch *gdbarch = get_frame_arch (frame);
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ arc_gdbarch_tdep *tdep = (arc_gdbarch_tdep *) gdbarch_tdep (gdbarch);
int pc_offset = tdep->jb_pc * ARC_REGISTER_SIZE;
gdb_byte buf[ARC_REGISTER_SIZE];
CORE_ADDR jb_addr = get_frame_register_unsigned (frame, ARC_FIRST_ARG_REGNUM);
|| valtype->code () == TYPE_CODE_UNION
|| TYPE_LENGTH (valtype) > 2 * ARC_REGISTER_SIZE);
- if (arc_debug)
- debug_printf ("arc: return_value (readbuf = %s, writebuf = %s)\n",
- host_address_to_string (readbuf),
- host_address_to_string (writebuf));
+ arc_debug_printf ("readbuf = %s, writebuf = %s",
+ host_address_to_string (readbuf),
+ host_address_to_string (writebuf));
if (writebuf != NULL)
{
return false;
}
-/* Copy of gdb_buffered_insn_length_fprintf from disasm.c. */
-
-static int ATTRIBUTE_PRINTF (2, 3)
-arc_fprintf_disasm (void *stream, const char *format, ...)
-{
- return 0;
-}
+/* See arc-tdep.h. */
struct disassemble_info
arc_disassemble_info (struct gdbarch *gdbarch)
{
struct disassemble_info di;
- init_disassemble_info (&di, &null_stream, arc_fprintf_disasm);
+ init_disassemble_info_for_no_printing (&di);
di.arch = gdbarch_bfd_arch_info (gdbarch)->arch;
di.mach = gdbarch_bfd_arch_info (gdbarch)->mach;
di.endian = gdbarch_byte_order (gdbarch);
arc_analyze_prologue (struct gdbarch *gdbarch, const CORE_ADDR entrypoint,
const CORE_ADDR limit_pc, struct arc_frame_cache *cache)
{
- if (arc_debug)
- debug_printf ("arc: analyze_prologue (entrypoint=%s, limit_pc=%s)\n",
- paddress (gdbarch, entrypoint),
- paddress (gdbarch, limit_pc));
+ arc_debug_printf ("entrypoint=%s, limit_pc=%s",
+ paddress (gdbarch, entrypoint),
+ paddress (gdbarch, limit_pc));
/* Prologue values. Only core registers can be stored. */
pv_t regs[ARC_LAST_CORE_REGNUM + 1];
arc_insn_decode (current_prologue_end, &di, arc_delayed_print_insn,
&insn);
- if (arc_debug >= 2)
+ if (arc_debug)
arc_insn_dump (insn);
/* If this instruction is in the prologue, fields in the cache will be
if (!arc_is_in_prologue (gdbarch, insn, regs, &stack))
{
/* Found an instruction that is not in the prologue. */
- if (arc_debug)
- debug_printf ("arc: End of prologue reached at address %s\n",
- paddress (gdbarch, insn.address));
+ arc_debug_printf ("End of prologue reached at address %s",
+ paddress (gdbarch, insn.address));
break;
}
{
CORE_ADDR offset;
if (stack.find_reg (gdbarch, i, &offset))
- cache->saved_regs[i].addr = offset;
+ cache->saved_regs[i].set_addr (offset);
}
}
static CORE_ADDR
arc_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
{
- if (arc_debug)
- debug_printf ("arc: skip_prologue\n");
+ arc_debug_printf ("pc = %s", paddress (gdbarch, pc));
CORE_ADDR func_addr;
const char *func_name;
static const gdb_byte *
arc_sw_breakpoint_from_kind (struct gdbarch *gdbarch, int kind, int *size)
{
+ gdb_assert (kind == 2 || kind == 4);
*size = kind;
if (kind == sizeof (arc_brk_le))
arc_print_frame_cache (struct gdbarch *gdbarch, const char *message,
struct arc_frame_cache *cache, int addresses_known)
{
- debug_printf ("arc: frame_info %s\n", message);
- debug_printf ("arc: prev_sp = %s\n", paddress (gdbarch, cache->prev_sp));
- debug_printf ("arc: frame_base_reg = %i\n", cache->frame_base_reg);
- debug_printf ("arc: frame_base_offset = %s\n",
- plongest (cache->frame_base_offset));
+ arc_debug_printf ("frame_info %s", message);
+ arc_debug_printf ("prev_sp = %s", paddress (gdbarch, cache->prev_sp));
+ arc_debug_printf ("frame_base_reg = %i", cache->frame_base_reg);
+ arc_debug_printf ("frame_base_offset = %s",
+ plongest (cache->frame_base_offset));
for (int i = 0; i <= ARC_BLINK_REGNUM; i++)
{
- if (trad_frame_addr_p (cache->saved_regs, i))
- debug_printf ("arc: saved register %s at %s %s\n",
- gdbarch_register_name (gdbarch, i),
- (addresses_known) ? "address" : "offset",
- paddress (gdbarch, cache->saved_regs[i].addr));
+ if (cache->saved_regs[i].is_addr ())
+ arc_debug_printf ("saved register %s at %s %s",
+ gdbarch_register_name (gdbarch, i),
+ (addresses_known) ? "address" : "offset",
+ paddress (gdbarch, cache->saved_regs[i].addr ()));
}
}
static struct arc_frame_cache *
arc_make_frame_cache (struct frame_info *this_frame)
{
- if (arc_debug)
- debug_printf ("arc: frame_cache\n");
+ arc_debug_printf ("called");
struct gdbarch *gdbarch = get_frame_arch (this_frame);
for (int i = 0; i <= ARC_LAST_CORE_REGNUM; i++)
{
- if (trad_frame_addr_p (cache->saved_regs, i))
- cache->saved_regs[i].addr += cache->prev_sp;
+ if (cache->saved_regs[i].is_addr ())
+ cache->saved_regs[i].set_addr (cache->saved_regs[i].addr ()
+ + cache->prev_sp);
}
if (arc_debug)
arc_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id)
{
- if (arc_debug)
- debug_printf ("arc: frame_this_id\n");
+ arc_debug_printf ("called");
struct gdbarch *gdbarch = get_frame_arch (this_frame);
reg->how = DWARF2_FRAME_REG_CFA;
}
+/* Signal trampoline frame unwinder. Allows frame unwinding to happen
+ from within signal handlers. */
+
+static struct arc_frame_cache *
+arc_make_sigtramp_frame_cache (struct frame_info *this_frame)
+{
+ arc_debug_printf ("called");
+
+ gdbarch *arch = get_frame_arch (this_frame);
+ arc_gdbarch_tdep *tdep = (arc_gdbarch_tdep *) gdbarch_tdep (arch);
+
+ /* Allocate new frame cache instance and space for saved register info. */
+ struct arc_frame_cache *cache = FRAME_OBSTACK_ZALLOC (struct arc_frame_cache);
+ cache->saved_regs = trad_frame_alloc_saved_regs (this_frame);
+
+ /* Get the stack pointer and use it as the frame base. */
+ cache->prev_sp = arc_frame_base_address (this_frame, NULL);
+
+ /* If the ARC-private target-dependent info doesn't have a table of
+ offsets of saved register contents within an OS signal context
+ structure, then there is nothing to analyze. */
+ if (tdep->sc_reg_offset == NULL)
+ return cache;
+
+ /* Find the address of the sigcontext structure. */
+ CORE_ADDR addr = tdep->sigcontext_addr (this_frame);
+
+ /* For each register, if its contents have been saved within the
+ sigcontext structure, determine the address of those contents. */
+ gdb_assert (tdep->sc_num_regs <= (ARC_LAST_REGNUM + 1));
+ for (int i = 0; i < tdep->sc_num_regs; i++)
+ {
+ if (tdep->sc_reg_offset[i] != ARC_OFFSET_NO_REGISTER)
+ cache->saved_regs[i].set_addr (addr + tdep->sc_reg_offset[i]);
+ }
+
+ return cache;
+}
+
+/* Implement the "this_id" frame_unwind method for signal trampoline
+ frames. */
+
+static void
+arc_sigtramp_frame_this_id (struct frame_info *this_frame,
+ void **this_cache, struct frame_id *this_id)
+{
+ arc_debug_printf ("called");
+
+ if (*this_cache == NULL)
+ *this_cache = arc_make_sigtramp_frame_cache (this_frame);
+
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
+ struct arc_frame_cache *cache = (struct arc_frame_cache *) *this_cache;
+ CORE_ADDR stack_addr = cache->prev_sp;
+ CORE_ADDR code_addr
+ = get_frame_register_unsigned (this_frame, gdbarch_pc_regnum (gdbarch));
+ *this_id = frame_id_build (stack_addr, code_addr);
+}
+
+/* Get a register from a signal handler frame. */
+
+static struct value *
+arc_sigtramp_frame_prev_register (struct frame_info *this_frame,
+ void **this_cache, int regnum)
+{
+ arc_debug_printf ("regnum = %d", regnum);
+
+ /* Make sure we've initialized the cache. */
+ if (*this_cache == NULL)
+ *this_cache = arc_make_sigtramp_frame_cache (this_frame);
+
+ struct arc_frame_cache *cache = (struct arc_frame_cache *) *this_cache;
+ return trad_frame_get_prev_register (this_frame, cache->saved_regs, regnum);
+}
+
+/* Frame sniffer for signal handler frame. Only recognize a frame if we
+ have a sigcontext_addr handler in the target dependency. */
+
+static int
+arc_sigtramp_frame_sniffer (const struct frame_unwind *self,
+ struct frame_info *this_frame,
+ void **this_cache)
+{
+ arc_debug_printf ("called");
+
+ gdbarch *arch = get_frame_arch (this_frame);
+ arc_gdbarch_tdep *tdep = (arc_gdbarch_tdep *) gdbarch_tdep (arch);
+
+ /* If we have a sigcontext_addr handler, then just return 1 (same as the
+ "default_frame_sniffer ()"). */
+ return (tdep->sigcontext_addr != NULL && tdep->is_sigtramp != NULL
+ && tdep->is_sigtramp (this_frame));
+}
+
/* Structure defining the ARC ordinary frame unwind functions. Since we are
the fallback unwinder, we use the default frame sniffer, which always
accepts the frame. */
static const struct frame_unwind arc_frame_unwind = {
+ "arc prologue",
NORMAL_FRAME,
default_frame_unwind_stop_reason,
arc_frame_this_id,
NULL
};
+/* Structure defining the ARC signal frame unwind functions. Custom
+ sniffer is used, because this frame must be accepted only in the right
+ context. */
+
+static const struct frame_unwind arc_sigtramp_frame_unwind = {
+ "arc sigtramp",
+ SIGTRAMP_FRAME,
+ default_frame_unwind_stop_reason,
+ arc_sigtramp_frame_this_id,
+ arc_sigtramp_frame_prev_register,
+ NULL,
+ arc_sigtramp_frame_sniffer,
+ NULL,
+ NULL
+};
+
static const struct frame_base arc_normal_base = {
&arc_frame_unwind,
return &arc_v2_core_reg_feature;
default:
gdb_assert_not_reached
- ("Unknown machine type to determine the core feature set.");
+ ("Unknown machine type to determine the core feature set.");
}
}
/* Update accumulator register names (ACCH/ACCL) for r58 and r59 in the
register sets. The endianness determines the assignment:
- ,------.------.
- | acch | accl |
+ ,------.------.
+ | acch | accl |
,----|------+------|
| LE | r59 | r58 |
| BE | r58 | r59 |
tdesc_arch_data_up *tdesc_data)
{
const struct target_desc *tdesc_loc = info.target_desc;
- if (arc_debug)
- debug_printf ("arc: Target description initialization.\n");
+ arc_debug_printf ("Target description initialization.");
/* If target doesn't provide a description, use the default ones. */
if (!tdesc_has_registers (tdesc_loc))
}
gdb_assert (tdesc_loc != nullptr);
- if (arc_debug)
- debug_printf ("arc: Have got a target description\n");
+ arc_debug_printf ("Have got a target description");
const struct tdesc_feature *feature_core
= tdesc_find_feature (tdesc_loc, ARC_CORE_FEATURE_NAME);
if (!valid_p)
{
- if (arc_debug)
- debug_printf ("arc: Target description is not valid\n");
+ arc_debug_printf ("Target description is not valid");
return false;
}
const struct target_desc *tdesc;
tdesc_arch_data_up tdesc_data;
- if (arc_debug)
- debug_printf ("arc: Architecture initialization.\n");
+ arc_debug_printf ("Architecture initialization.");
if (!arc_tdesc_init (info, &tdesc, &tdesc_data))
return nullptr;
/* Allocate the ARC-private target-dependent information structure, and the
GDB target-independent information structure. */
- gdb::unique_xmalloc_ptr<struct gdbarch_tdep> tdep
- (XCNEW (struct gdbarch_tdep));
+ std::unique_ptr<arc_gdbarch_tdep> tdep_holder (new arc_gdbarch_tdep);
+ arc_gdbarch_tdep *tdep = tdep_holder.get ();
tdep->jb_pc = -1; /* No longjmp support by default. */
tdep->has_hw_loops = arc_check_for_hw_loops (tdesc, tdesc_data.get ());
- struct gdbarch *gdbarch = gdbarch_alloc (&info, tdep.release ());
+ struct gdbarch *gdbarch = gdbarch_alloc (&info, tdep_holder.release ());
/* Data types. */
set_gdbarch_short_bit (gdbarch, 16);
/* Frame unwinders and sniffers. */
dwarf2_frame_set_init_reg (gdbarch, arc_dwarf2_frame_init_reg);
dwarf2_append_unwinders (gdbarch);
+ frame_unwind_append_unwinder (gdbarch, &arc_sigtramp_frame_unwind);
frame_unwind_append_unwinder (gdbarch, &arc_frame_unwind);
frame_base_set_default (gdbarch, &arc_normal_base);
It can override functions set earlier. */
gdbarch_init_osabi (info, gdbarch);
- if (gdbarch_tdep (gdbarch)->jb_pc >= 0)
+ if (tdep->jb_pc >= 0)
set_gdbarch_get_longjmp_target (gdbarch, arc_get_longjmp_target);
/* Disassembler options. Enforce CPU if it was specified in XML target
arc_disassembler_options = NULL;
break;
}
- set_gdbarch_disassembler_options (gdbarch,
- &arc_disassembler_options);
}
}
+ set_gdbarch_disassembler_options (gdbarch, &arc_disassembler_options);
+ set_gdbarch_valid_disassembler_options (gdbarch,
+ disassembler_options_arc ());
+
tdesc_use_registers (gdbarch, tdesc, std::move (tdesc_data));
return gdbarch;
static void
arc_dump_tdep (struct gdbarch *gdbarch, struct ui_file *file)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
- fprintf_unfiltered (file, "arc_dump_tdep: jb_pc = %i\n", tdep->jb_pc);
+ arc_gdbarch_tdep *tdep = (arc_gdbarch_tdep *) gdbarch_tdep (gdbarch);
+
+ gdb_printf (file, "arc_dump_tdep: jb_pc = %i\n", tdep->jb_pc);
+
+ gdb_printf (file, "arc_dump_tdep: is_sigtramp = <%s>\n",
+ host_address_to_string (tdep->is_sigtramp));
+ gdb_printf (file, "arc_dump_tdep: sigcontext_addr = <%s>\n",
+ host_address_to_string (tdep->sigcontext_addr));
+ gdb_printf (file, "arc_dump_tdep: sc_reg_offset = <%s>\n",
+ host_address_to_string (tdep->sc_reg_offset));
+ gdb_printf (file, "arc_dump_tdep: sc_num_regs = %d\n",
+ tdep->sc_num_regs);
}
/* This command accepts single argument - address of instruction to
add_show_prefix_cmd ("arc", class_maintenance,
_("ARC-specific maintenance commands for printing GDB "
"internal state."),
- &maintenance_print_arc_list, "maintenance print arc ",
+ &maintenance_print_arc_list,
0, &maintenanceprintlist);
add_cmd ("arc-instruction", class_maintenance,
&maintenance_print_arc_list);
/* Debug internals for ARC GDB. */
- add_setshow_zinteger_cmd ("arc", class_maintenance,
- &arc_debug,
- _("Set ARC specific debugging."),
- _("Show ARC specific debugging."),
- _("Non-zero enables ARC specific debugging."),
- NULL, NULL, &setdebuglist, &showdebuglist);
+ add_setshow_boolean_cmd ("arc", class_maintenance,
+ &arc_debug,
+ _("Set ARC specific debugging."),
+ _("Show ARC specific debugging."),
+ _("When set, ARC specific debugging is enabled."),
+ NULL, NULL, &setdebuglist, &showdebuglist);
}
projects / binutils-gdb.git / blobdiff