void
fprint_auxv_entry (struct ui_file *file, const char *name,
const char *description, enum auxv_format format,
CORE_ADDR type, CORE_ADDR val)
{
fprintf_filtered (file, ("%-4s %-20s %-30s "),
plongest (type), name, description);
switch (format)
{
case AUXV_FORMAT_DEC:
fprintf_filtered (file, ("%s\n"), plongest (val));
break;
case AUXV_FORMAT_HEX:
fprintf_filtered (file, ("%s\n"), paddress (target_gdbarch (), val));
break;
case AUXV_FORMAT_STR:
{
struct value_print_options opts;
get_user_print_options (&opts);
if (opts.addressprint)
fprintf_filtered (file, ("%s "), paddress (target_gdbarch (), val));
val_print_string (builtin_type (target_gdbarch ())->builtin_char,
NULL, val, -1, file, &opts);
fprintf_filtered (file, ("\n"));
}
break;
}
}
static void
uninsert_raw_breakpoint (struct raw_breakpoint *bp)
{
if (bp->inserted < 0)
{
if (debug_threads)
debug_printf ("Breakpoint at %s is marked insert-disabled.\n",
paddress (bp->pc));
}
else if (bp->inserted > 0)
{
int err;
bp->inserted = 0;
err = the_target->remove_point (bp->raw_type, bp->pc, bp->size, bp);
if (err != 0)
{
bp->inserted = 1;
if (debug_threads)
debug_printf ("Failed to uninsert raw breakpoint at 0x%s.\n",
paddress (bp->pc));
}
}
}
static void
aarch64_show_debug_reg_state (struct aarch64_debug_reg_state *state,
const char *func, CORE_ADDR addr,
int len, enum target_hw_bp_type type)
{
int i;
fprintf (stderr, "%s", func);
if (addr || len)
fprintf (stderr, " (addr=0x%08lx, len=%d, type=%s)",
(unsigned long) addr, len,
type == hw_write ? "hw-write-watchpoint"
: (type == hw_read ? "hw-read-watchpoint"
: (type == hw_access ? "hw-access-watchpoint"
: (type == hw_execute ? "hw-breakpoint"
: "??unknown??"))));
fprintf (stderr, ":\n");
fprintf (stderr, "\tBREAKPOINTs:\n");
for (i = 0; i < aarch64_num_bp_regs; i++)
fprintf (stderr, "\tBP%d: addr=0x%s, ctrl=0x%08x, ref.count=%d\n",
i, paddress (state->dr_addr_bp[i]),
state->dr_ctrl_bp[i], state->dr_ref_count_bp[i]);
fprintf (stderr, "\tWATCHPOINTs:\n");
for (i = 0; i < aarch64_num_wp_regs; i++)
fprintf (stderr, "\tWP%d: addr=0x%s, ctrl=0x%08x, ref.count=%d\n",
i, paddress (state->dr_addr_wp[i]),
state->dr_ctrl_wp[i], state->dr_ref_count_wp[i]);
}
static struct raw_breakpoint *
set_raw_breakpoint_at (CORE_ADDR where)
{
struct process_info *proc = current_process ();
struct raw_breakpoint *bp;
int err;
unsigned char buf[MAX_BREAKPOINT_LEN];
if (breakpoint_data == NULL)
error ("Target does not support breakpoints.");
bp = find_raw_breakpoint_at (where);
if (bp != NULL)
{
bp->refcount++;
return bp;
}
bp = xcalloc (1, sizeof (*bp));
bp->pc = where;
bp->refcount = 1;
/* Note that there can be fast tracepoint jumps installed in the
same memory range, so to get at the original memory, we need to
use read_inferior_memory, which masks those out. */
err = read_inferior_memory (where, buf, breakpoint_len);
if (err != 0)
{
if (debug_threads)
fprintf (stderr,
"Failed to read shadow memory of"
" breakpoint at 0x%s (%s).\n",
paddress (where), strerror (err));
free (bp);
return NULL;
}
memcpy (bp->old_data, buf, breakpoint_len);
err = (*the_target->write_memory) (where, breakpoint_data,
breakpoint_len);
if (err != 0)
{
if (debug_threads)
fprintf (stderr,
"Failed to insert breakpoint at 0x%s (%s).\n",
paddress (where), strerror (err));
free (bp);
return NULL;
}
/* Link the breakpoint in. */
bp->inserted = 1;
bp->next = proc->raw_breakpoints;
proc->raw_breakpoints = bp;
return bp;
}
void
sparc64_linux_handle_segmentation_fault (struct gdbarch *gdbarch,
struct ui_out *uiout)
{
if (gdbarch_bfd_arch_info (gdbarch)->bits_per_word != 64)
return;
CORE_ADDR addr = 0;
long si_code = 0;
try
{
/* Evaluate si_code to see if the segfault is ADI related. */
si_code = parse_and_eval_long ("$_siginfo.si_code\n");
if (si_code >= SEGV_ACCADI && si_code <= SEGV_ADIPERR)
addr = parse_and_eval_long ("$_siginfo._sifields._sigfault.si_addr");
}
catch (const gdb_exception &exception)
{
return;
}
/* Print out ADI event based on sig_code value */
switch (si_code)
{
case SEGV_ACCADI: /* adi not enabled */
uiout->text ("\n");
uiout->field_string ("sigcode-meaning", _("ADI disabled"));
uiout->text (_(" while accessing address "));
uiout->field_fmt ("bound-access", "%s", paddress (gdbarch, addr));
break;
case SEGV_ADIDERR: /* disrupting mismatch */
uiout->text ("\n");
uiout->field_string ("sigcode-meaning", _("ADI deferred mismatch"));
uiout->text (_(" while accessing address "));
uiout->field_fmt ("bound-access", "%s", paddress (gdbarch, addr));
break;
case SEGV_ADIPERR: /* precise mismatch */
uiout->text ("\n");
uiout->field_string ("sigcode-meaning", _("ADI precise mismatch"));
uiout->text (_(" while accessing address "));
uiout->field_fmt ("bound-access", "%s", paddress (gdbarch, addr));
break;
default:
break;
}
}
void
uninsert_fast_tracepoint_jumps_at (CORE_ADDR pc)
{
struct fast_tracepoint_jump *jp;
int err;
jp = find_fast_tracepoint_jump_at (pc);
if (jp == NULL)
{
/* This can happen when we remove all breakpoints while handling
a step-over. */
if (debug_threads)
fprintf (stderr,
"Could not find fast tracepoint jump at 0x%s "
"in list (uninserting).\n",
paddress (pc));
return;
}
if (jp->inserted)
{
unsigned char *buf;
jp->inserted = 0;
/* Since there can be trap breakpoints inserted in the same
address range, we use use `write_inferior_memory', which
takes care of layering breakpoints on top of fast
tracepoints, and on top of the buffer we pass it. This works
because we've already marked the fast tracepoint fast
tracepoint jump uninserted above. Also note that we need to
pass the current shadow contents, because
write_inferior_memory updates any shadow memory with what we
pass here, and we want that to be a nop. */
buf = alloca (jp->length);
memcpy (buf, fast_tracepoint_jump_shadow (jp), jp->length);
err = write_inferior_memory (jp->pc, buf, jp->length);
if (err != 0)
{
jp->inserted = 1;
if (debug_threads)
fprintf (stderr,
"Failed to uninsert fast tracepoint jump at 0x%s (%s).\n",
paddress (pc), strerror (err));
}
}
}
int
print_unpacked_pointer (struct type *type,
CORE_ADDR address, CORE_ADDR addr,
int format, struct ui_file *stream)
{
struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
{
/* Try to print what function it points to. */
print_function_pointer_address (addr, stream);
/* Return value is irrelevant except for string pointers. */
return 0;
}
if (addressprint && format != 's')
fputs_filtered (paddress (address), stream);
/* For a pointer to char or unsigned char, also print the string
pointed to, unless pointer is null. */
if (TYPE_LENGTH (elttype) == 1
&& TYPE_CODE (elttype) == TYPE_CODE_INT
&& (format == 0 || format == 's')
&& addr != 0)
return val_print_string (addr, -1, TYPE_LENGTH (elttype), stream);
return 0;
}
static void
print_variable_at_address (struct type *type,
const gdb_byte *valaddr,
struct ui_file *stream,
int recurse,
const struct value_print_options *options)
{
struct gdbarch *gdbarch = get_type_arch (type);
CORE_ADDR addr = unpack_pointer (type, valaddr);
struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type));
fprintf_filtered (stream, "[");
fputs_filtered (paddress (gdbarch, addr), stream);
fprintf_filtered (stream, "] : ");
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
struct value *deref_val =
value_at (TYPE_TARGET_TYPE (type), unpack_pointer (type, valaddr));
common_val_print (deref_val, stream, recurse, options, current_language);
}
else
fputs_filtered ("???", stream);
}
static void
print_variable_at_address (struct type *type, const gdb_byte *valaddr,
struct ui_file *stream, int format,
int deref_ref, int recurse,
enum val_prettyprint pretty)
{
CORE_ADDR addr = unpack_pointer (type, valaddr);
struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type));
fprintf_filtered (stream, "[");
fputs_filtered (paddress (addr), stream);
fprintf_filtered (stream, "] : ");
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
struct value *deref_val =
value_at
(TYPE_TARGET_TYPE (type),
unpack_pointer (lookup_pointer_type (builtin_type_void),
valaddr));
common_val_print (deref_val, stream, format, deref_ref,
recurse, pretty);
}
else
fputs_filtered ("???", stream);
}
void
annotate_frame_begin (int level, struct gdbarch *gdbarch, CORE_ADDR pc)
{
if (annotation_level > 1)
printf_filtered (("\n\032\032frame-begin %d %s\n"),
level, paddress (gdbarch, pc));
}
static int
print_unpacked_pointer (struct type *type,
CORE_ADDR address, CORE_ADDR addr,
const struct value_print_options *options,
struct ui_file *stream)
{
struct gdbarch *gdbarch = get_type_arch (type);
struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
{
/* Try to print what function it points to. */
print_function_pointer_address (gdbarch, addr, stream,
options->addressprint);
/* Return value is irrelevant except for string pointers. */
return 0;
}
if (options->addressprint && options->format != 's')
fputs_filtered (paddress (gdbarch, address), stream);
/* For a pointer to char or unsigned char, also print the string
pointed to, unless pointer is null. */
if (TYPE_LENGTH (elttype) == 1
&& TYPE_CODE (elttype) == TYPE_CODE_INT
&& (options->format == 0 || options->format == 's')
&& addr != 0)
return val_print_string (TYPE_TARGET_TYPE (type), addr, -1,
stream, options);
return 0;
}
static CORE_ADDR
stub_gnu_ifunc_resolve_addr (struct gdbarch *gdbarch, CORE_ADDR pc)
{
error (_("GDB cannot resolve STT_GNU_IFUNC symbol at address %s without "
"the ELF support compiled in."),
paddress (gdbarch, pc));
}
int
remove_memory_breakpoint (struct raw_breakpoint *bp)
{
unsigned char buf[MAX_BREAKPOINT_LEN];
int err;
/* Since there can be trap breakpoints inserted in the same address
range, we use `write_inferior_memory', which takes care of
layering breakpoints on top of fast tracepoints, and on top of
the buffer we pass it. This works because the caller has already
either unlinked the breakpoint or marked it uninserted. Also
note that we need to pass the current shadow contents, because
write_inferior_memory updates any shadow memory with what we pass
here, and we want that to be a nop. */
memcpy (buf, bp->old_data, breakpoint_len);
err = write_inferior_memory (bp->pc, buf, breakpoint_len);
if (err != 0)
{
if (debug_threads)
debug_printf ("Failed to uninsert raw breakpoint "
"at 0x%s (%s) while deleting it.\n",
paddress (bp->pc), strerror (err));
}
return err != 0 ? -1 : 0;
}
void
reinsert_breakpoints_at (CORE_ADDR pc)
{
struct process_info *proc = current_process ();
struct raw_breakpoint *bp;
int found = 0;
for (bp = proc->raw_breakpoints; bp != NULL; bp = bp->next)
if ((bp->raw_type == raw_bkpt_type_sw
|| bp->raw_type == raw_bkpt_type_hw)
&& bp->pc == pc)
{
found = 1;
reinsert_raw_breakpoint (bp);
}
if (!found)
{
/* This can happen when we remove all breakpoints while handling
a step-over. */
if (debug_threads)
debug_printf ("Could not find raw breakpoint at 0x%s "
"in list (reinserting).\n",
paddress (pc));
}
}
struct call_site *
call_site_for_pc (struct gdbarch *gdbarch, CORE_ADDR pc)
{
struct symtab *symtab;
void **slot = NULL;
/* -1 as tail call PC can be already after the compilation unit range. */
symtab = find_pc_symtab (pc - 1);
if (symtab != NULL && symtab->call_site_htab != NULL)
slot = htab_find_slot (symtab->call_site_htab, &pc, NO_INSERT);
if (slot == NULL)
{
struct bound_minimal_symbol msym = lookup_minimal_symbol_by_pc (pc);
/* DW_TAG_gnu_call_site will be missing just if GCC could not determine
the call target. */
throw_error (NO_ENTRY_VALUE_ERROR,
_("DW_OP_GNU_entry_value resolving cannot find "
"DW_TAG_GNU_call_site %s in %s"),
paddress (gdbarch, pc),
(msym.minsym == NULL ? "???"
: SYMBOL_PRINT_NAME (msym.minsym)));
}
return *slot;
}
static void
uninsert_raw_breakpoint (struct raw_breakpoint *bp)
{
if (bp->inserted)
{
int err;
unsigned char buf[MAX_BREAKPOINT_LEN];
bp->inserted = 0;
/* Since there can be fast tracepoint jumps inserted in the same
address range, we use `write_inferior_memory', which takes
care of layering breakpoints on top of fast tracepoints, and
on top of the buffer we pass it. This works because we've
already unlinked the fast tracepoint jump above. Also note
that we need to pass the current shadow contents, because
write_inferior_memory updates any shadow memory with what we
pass here, and we want that to be a nop. */
memcpy (buf, bp->old_data, breakpoint_len);
err = write_inferior_memory (bp->pc, buf, breakpoint_len);
if (err != 0)
{
bp->inserted = 1;
if (debug_threads)
fprintf (stderr,
"Failed to uninsert raw breakpoint at 0x%s (%s).\n",
paddress (bp->pc), strerror (err));
}
}
}
void
print_section_info (struct target_ops *t, bfd *abfd)
{
struct target_section *p;
/* FIXME: 16 is not wide enough when gdbarch_addr_bit > 64. */
int wid = gdbarch_addr_bit (gdbarch_from_bfd (abfd)) <= 32 ? 8 : 16;
printf_filtered ("\t`%s', ", bfd_get_filename (abfd));
wrap_here (" ");
printf_filtered (_("file type %s.\n"), bfd_get_target (abfd));
if (abfd == exec_bfd)
printf_filtered (_("\tEntry point: %s\n"),
paddress (bfd_get_start_address (abfd)));
for (p = t->to_sections; p < t->to_sections_end; p++)
{
printf_filtered ("\t%s", hex_string_custom (p->addr, wid));
printf_filtered (" - %s", hex_string_custom (p->endaddr, wid));
/* FIXME: A format of "08l" is not wide enough for file offsets
larger than 4GB. OTOH, making it "016l" isn't desirable either
since most output will then be much wider than necessary. It
may make sense to test the size of the file and choose the
format string accordingly. */
/* FIXME: i18n: Need to rewrite this sentence. */
if (info_verbose)
printf_filtered (" @ %s",
hex_string_custom (p->the_bfd_section->filepos, 8));
printf_filtered (" is %s", bfd_section_name (p->bfd, p->the_bfd_section));
if (p->bfd != abfd)
printf_filtered (" in %s", bfd_get_filename (p->bfd));
printf_filtered ("\n");
}
}
/* Disassemble the expression EXPR, writing to F. */
void
ax_print (struct ui_file *f, struct agent_expr *x)
{
int i;
fprintf_filtered (f, _("Scope: %s\n"), paddress (x->gdbarch, x->scope));
fprintf_filtered (f, _("Reg mask:"));
for (i = 0; i < x->reg_mask_len; ++i)
fprintf_filtered (f, _(" %02x"), x->reg_mask[i]);
fprintf_filtered (f, _("\n"));
/* Check the size of the name array against the number of entries in
the enum, to catch additions that people didn't sync. */
if ((sizeof (aop_map) / sizeof (aop_map[0]))
!= aop_last)
error (_("GDB bug: ax-general.c (ax_print): opcode map out of sync"));
for (i = 0; i < x->len;)
{
enum agent_op op = x->buf[i];
if (op >= (sizeof (aop_map) / sizeof (aop_map[0]))
|| !aop_map[op].name)
{
fprintf_filtered (f, _("%3d <bad opcode %02x>\n"), i, op);
i++;
continue;
}
if (i + 1 + aop_map[op].op_size > x->len)
{
fprintf_filtered (f, _("%3d <incomplete opcode %s>\n"),
i, aop_map[op].name);
break;
}
fprintf_filtered (f, "%3d %s", i, aop_map[op].name);
if (aop_map[op].op_size > 0)
{
fputs_filtered (" ", f);
print_longest (f, 'd', 0,
read_const (x, i + 1, aop_map[op].op_size));
}
/* Handle the complicated printf arguments specially. */
else if (op == aop_printf)
{
int slen, nargs;
i++;
nargs = x->buf[i++];
slen = x->buf[i++];
slen = slen * 256 + x->buf[i++];
fprintf_filtered (f, _(" \"%s\", %d args"),
&(x->buf[i]), nargs);
i += slen - 1;
}
fprintf_filtered (f, "\n");
i += 1 + aop_map[op].op_size;
}
}
int
insert_memory_breakpoint (struct raw_breakpoint *bp)
{
unsigned char buf[MAX_BREAKPOINT_LEN];
int err;
if (breakpoint_data == NULL)
return 1;
/* If the architecture treats the size field of Z packets as a
'kind' field, then we'll need to be able to know which is the
breakpoint instruction too. */
if (bp->size != breakpoint_len)
{
if (debug_threads)
debug_printf ("Don't know how to insert breakpoints of size %d.\n",
bp->size);
return -1;
}
/* Note that there can be fast tracepoint jumps installed in the
same memory range, so to get at the original memory, we need to
use read_inferior_memory, which masks those out. */
err = read_inferior_memory (bp->pc, buf, breakpoint_len);
if (err != 0)
{
if (debug_threads)
debug_printf ("Failed to read shadow memory of"
" breakpoint at 0x%s (%s).\n",
paddress (bp->pc), strerror (err));
}
else
{
memcpy (bp->old_data, buf, breakpoint_len);
err = (*the_target->write_memory) (bp->pc, breakpoint_data,
breakpoint_len);
if (err != 0)
{
if (debug_threads)
debug_printf ("Failed to insert breakpoint at 0x%s (%s).\n",
paddress (bp->pc), strerror (err));
}
}
return err != 0 ? -1 : 0;
}
static struct value *
amd64_windows_frame_prev_register (struct frame_info *this_frame,
void **this_cache, int regnum)
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct amd64_windows_frame_cache *cache =
amd64_windows_frame_cache (this_frame, this_cache);
struct value *val;
CORE_ADDR prev;
if (frame_debug)
fprintf_unfiltered (gdb_stdlog,
"amd64_windows_frame_prev_register %s for sp=%s\n",
gdbarch_register_name (gdbarch, regnum),
paddress (gdbarch, cache->prev_sp));
if (regnum >= AMD64_XMM0_REGNUM && regnum <= AMD64_XMM0_REGNUM + 15)
prev = cache->prev_xmm_addr[regnum - AMD64_XMM0_REGNUM];
else if (regnum == AMD64_RSP_REGNUM)
{
prev = cache->prev_rsp_addr;
if (prev == 0)
return frame_unwind_got_constant (this_frame, regnum, cache->prev_sp);
}
else if (regnum >= AMD64_RAX_REGNUM && regnum <= AMD64_R15_REGNUM)
prev = cache->prev_reg_addr[regnum - AMD64_RAX_REGNUM];
else if (regnum == AMD64_RIP_REGNUM)
prev = cache->prev_rip_addr;
else
prev = 0;
if (prev && frame_debug)
fprintf_unfiltered (gdb_stdlog, " -> at %s\n", paddress (gdbarch, prev));
if (prev)
{
/* Register was saved. */
return frame_unwind_got_memory (this_frame, regnum, prev);
}
else
{
/* Register is either volatile or not modified. */
return frame_unwind_got_register (this_frame, regnum, regnum);
}
}
static int
gcore_create_callback (CORE_ADDR vaddr, unsigned long size, int read,
int write, int exec, int modified, void *data)
{
bfd *obfd = data;
asection *osec;
flagword flags = SEC_ALLOC | SEC_HAS_CONTENTS | SEC_LOAD;
/* If the memory segment has no permissions set, ignore it, otherwise
when we later try to access it for read/write, we'll get an error
or jam the kernel. */
if (read == 0 && write == 0 && exec == 0 && modified == 0)
{
if (info_verbose)
{
fprintf_filtered (gdb_stdout, "Ignore segment, %s bytes at %s\n",
plongest (size), paddress (target_gdbarch (), vaddr));
}
return 0;
}
if (write == 0 && modified == 0 && !solib_keep_data_in_core (vaddr, size))
{
/* See if this region of memory lies inside a known file on disk.
If so, we can avoid copying its contents by clearing SEC_LOAD. */
struct objfile *objfile;
struct obj_section *objsec;
ALL_OBJSECTIONS (objfile, objsec)
{
bfd *abfd = objfile->obfd;
asection *asec = objsec->the_bfd_section;
bfd_vma align = (bfd_vma) 1 << bfd_get_section_alignment (abfd,
asec);
bfd_vma start = obj_section_addr (objsec) & -align;
bfd_vma end = (obj_section_endaddr (objsec) + align - 1) & -align;
/* Match if either the entire memory region lies inside the
section (i.e. a mapping covering some pages of a large
segment) or the entire section lies inside the memory region
(i.e. a mapping covering multiple small sections).
This BFD was synthesized from reading target memory,
we don't want to omit that. */
if (objfile->separate_debug_objfile_backlink == NULL
&& ((vaddr >= start && vaddr + size <= end)
|| (start >= vaddr && end <= vaddr + size))
&& !(bfd_get_file_flags (abfd) & BFD_IN_MEMORY))
{
flags &= ~(SEC_LOAD | SEC_HAS_CONTENTS);
goto keep; /* Break out of two nested for loops. */
}
}
keep:;
}
static void set_address(Object &ret, const char *prop, ADDRESS *addr) {
if (addr) {
Array paddress(Array::Create());
char *fulladdress = _php_imap_parse_address(addr, paddress);
if (fulladdress) {
ret.o_set(String(prop) + "address", String(fulladdress, AttachString));
}
ret.o_set(prop, paddress);
}
}
static void
dcache_info (char *exp, int tty)
{
splay_tree_node n;
int i, refcount;
if (exp)
{
char *linestart;
i = strtol (exp, &linestart, 10);
if (linestart == exp || i < 0)
{
printf_filtered (_("Usage: info dcache [linenumber]\n"));
return;
}
dcache_print_line (i);
return;
}
printf_filtered (_("Dcache %u lines of %u bytes each.\n"),
dcache_size,
last_cache ? (unsigned) last_cache->line_size
: dcache_line_size);
if (!last_cache || ptid_equal (last_cache->ptid, null_ptid))
{
printf_filtered (_("No data cache available.\n"));
return;
}
printf_filtered (_("Contains data for %s\n"),
target_pid_to_str (last_cache->ptid));
refcount = 0;
n = splay_tree_min (last_cache->tree);
i = 0;
while (n)
{
struct dcache_block *db = (struct dcache_block *) n->value;
printf_filtered (_("Line %d: address %s [%d hits]\n"),
i, paddress (target_gdbarch, db->addr), db->refs);
i++;
refcount += db->refs;
n = splay_tree_successor (last_cache->tree, n->key);
}
printf_filtered (_("Cache state: %d active lines, %d hits\n"), i, refcount);
}
struct displaced_step_closure *
simple_displaced_step_copy_insn (struct gdbarch *gdbarch,
CORE_ADDR from, CORE_ADDR to,
struct regcache *regs)
{
size_t len = gdbarch_max_insn_length (gdbarch);
gdb_byte *buf = xmalloc (len);
read_memory (from, buf, len);
write_memory (to, buf, len);
if (debug_displaced)
{
fprintf_unfiltered (gdb_stdlog, "displaced: copy %s->%s: ",
paddress (gdbarch, from), paddress (gdbarch, to));
displaced_step_dump_bytes (gdb_stdlog, buf, len);
}
return (struct displaced_step_closure *) buf;
}
void
annotate_source (char *filename, int line, int character, int mid, CORE_ADDR pc)
{
if (annotation_level > 1)
printf_filtered (("\n\032\032source "));
else
printf_filtered (("\032\032"));
printf_filtered (("%s:%d:%d:%s:%s\n"), filename, line, character,
mid ? "middle" : "beg", paddress (pc));
}
static struct raw_breakpoint *
set_raw_breakpoint_at (enum raw_bkpt_type type, CORE_ADDR where, int size,
int *err)
{
struct process_info *proc = current_process ();
struct raw_breakpoint *bp;
if (type == raw_bkpt_type_sw || type == raw_bkpt_type_hw)
{
bp = find_enabled_raw_code_breakpoint_at (where, type);
if (bp != NULL && bp->size != size)
{
/* A different size than previously seen. The previous
breakpoint must be gone then. */
if (debug_threads)
debug_printf ("Inconsistent breakpoint size? Was %d, now %d.\n",
bp->size, size);
bp->inserted = -1;
bp = NULL;
}
}
else
bp = find_raw_breakpoint_at (where, type, size);
if (bp != NULL)
{
bp->refcount++;
return bp;
}
bp = xcalloc (1, sizeof (*bp));
bp->pc = where;
bp->size = size;
bp->refcount = 1;
bp->raw_type = type;
*err = the_target->insert_point (bp->raw_type, bp->pc, bp->size, bp);
if (*err != 0)
{
if (debug_threads)
debug_printf ("Failed to insert breakpoint at 0x%s (%d).\n",
paddress (where), *err);
free (bp);
return NULL;
}
bp->inserted = 1;
/* Link the breakpoint in. */
bp->next = proc->raw_breakpoints;
proc->raw_breakpoints = bp;
return bp;
}
static int
fbsd_find_memory_regions (struct target_ops *self,
find_memory_region_ftype func, void *obfd)
{
pid_t pid = ptid_get_pid (inferior_ptid);
struct kinfo_vmentry *vmentl, *kve;
uint64_t size;
struct cleanup *cleanup;
int i, nitems;
vmentl = kinfo_getvmmap (pid, &nitems);
if (vmentl == NULL)
perror_with_name (_("Couldn't fetch VM map entries."));
cleanup = make_cleanup (free, vmentl);
for (i = 0; i < nitems; i++)
{
kve = &vmentl[i];
/* Skip unreadable segments and those where MAP_NOCORE has been set. */
if (!(kve->kve_protection & KVME_PROT_READ)
|| kve->kve_flags & KVME_FLAG_NOCOREDUMP)
continue;
/* Skip segments with an invalid type. */
if (kve->kve_type != KVME_TYPE_DEFAULT
&& kve->kve_type != KVME_TYPE_VNODE
&& kve->kve_type != KVME_TYPE_SWAP
&& kve->kve_type != KVME_TYPE_PHYS)
continue;
size = kve->kve_end - kve->kve_start;
if (info_verbose)
{
fprintf_filtered (gdb_stdout,
"Save segment, %ld bytes at %s (%c%c%c)\n",
(long) size,
paddress (target_gdbarch (), kve->kve_start),
kve->kve_protection & KVME_PROT_READ ? 'r' : '-',
kve->kve_protection & KVME_PROT_WRITE ? 'w' : '-',
kve->kve_protection & KVME_PROT_EXEC ? 'x' : '-');
}
/* Invoke the callback function to create the corefile segment.
Pass MODIFIED as true, we do not know the real modification state. */
func (kve->kve_start, size, kve->kve_protection & KVME_PROT_READ,
kve->kve_protection & KVME_PROT_WRITE,
kve->kve_protection & KVME_PROT_EXEC, 1, obfd);
}
do_cleanups (cleanup);
return 0;
}
/* Return true if there are no commands to run at this location,
which likely means we want to report back to GDB. */
int
gdb_no_commands_at_breakpoint (CORE_ADDR where)
{
struct breakpoint *bp = find_gdb_breakpoint_at (where);
if (bp == NULL)
return 0;
if (debug_threads)
fprintf (stderr, "at 0x%s, bp command_list is 0x%s\n",
paddress (where),
phex_nz ((uintptr_t) bp->command_list, 0));
return (bp->command_list == NULL);
}
static int
gdb_no_commands_at_breakpoint_z_type (char z_type, CORE_ADDR addr)
{
struct breakpoint *bp = find_gdb_breakpoint (z_type, addr, -1);
if (bp == NULL)
return 1;
if (debug_threads)
debug_printf ("at 0x%s, type Z%c, bp command_list is 0x%s\n",
paddress (addr), z_type,
phex_nz ((uintptr_t) bp->command_list, 0));
return (bp->command_list == NULL);
}
static int
fbsd_find_memory_regions (struct target_ops *self,
find_memory_region_ftype func, void *obfd)
{
pid_t pid = ptid_get_pid (inferior_ptid);
char *mapfilename;
FILE *mapfile;
unsigned long start, end, size;
char protection[4];
int read, write, exec;
struct cleanup *cleanup;
mapfilename = xstrprintf ("/proc/%ld/map", (long) pid);
cleanup = make_cleanup (xfree, mapfilename);
mapfile = fopen (mapfilename, "r");
if (mapfile == NULL)
error (_("Couldn't open %s."), mapfilename);
make_cleanup_fclose (mapfile);
if (info_verbose)
fprintf_filtered (gdb_stdout,
"Reading memory regions from %s\n", mapfilename);
/* Now iterate until end-of-file. */
while (fbsd_read_mapping (mapfile, &start, &end, &protection[0]))
{
size = end - start;
read = (strchr (protection, 'r') != 0);
write = (strchr (protection, 'w') != 0);
exec = (strchr (protection, 'x') != 0);
if (info_verbose)
{
fprintf_filtered (gdb_stdout,
"Save segment, %ld bytes at %s (%c%c%c)\n",
size, paddress (target_gdbarch (), start),
read ? 'r' : '-',
write ? 'w' : '-',
exec ? 'x' : '-');
}
/* Invoke the callback function to create the corefile segment.
Pass MODIFIED as true, we do not know the real modification state. */
func (start, size, read, write, exec, 1, obfd);
}
do_cleanups (cleanup);
return 0;
}
