static unsigned long cygwin_get_dr6 (void);
static unsigned long cygwin_get_dr7 (void);
-static enum target_signal last_sig = TARGET_SIGNAL_0;
+static enum gdb_signal last_sig = GDB_SIGNAL_0;
/* Set if a signal was received from the debugged process. */
/* Thread information structure used to track information that is
static const int *mappings;
+/* The function to use in order to determine whether a register is
+ a segment register or not. */
+static segment_register_p_ftype *segment_register_p;
+
/* This vector maps the target's idea of an exception (extracted
from the DEBUG_EVENT structure) to GDB's idea. */
struct xlate_exception
{
int them;
- enum target_signal us;
+ enum gdb_signal us;
};
static const struct xlate_exception
xlate[] =
{
- {EXCEPTION_ACCESS_VIOLATION, TARGET_SIGNAL_SEGV},
- {STATUS_STACK_OVERFLOW, TARGET_SIGNAL_SEGV},
- {EXCEPTION_BREAKPOINT, TARGET_SIGNAL_TRAP},
- {DBG_CONTROL_C, TARGET_SIGNAL_INT},
- {EXCEPTION_SINGLE_STEP, TARGET_SIGNAL_TRAP},
- {STATUS_FLOAT_DIVIDE_BY_ZERO, TARGET_SIGNAL_FPE},
+ {EXCEPTION_ACCESS_VIOLATION, GDB_SIGNAL_SEGV},
+ {STATUS_STACK_OVERFLOW, GDB_SIGNAL_SEGV},
+ {EXCEPTION_BREAKPOINT, GDB_SIGNAL_TRAP},
+ {DBG_CONTROL_C, GDB_SIGNAL_INT},
+ {EXCEPTION_SINGLE_STEP, GDB_SIGNAL_TRAP},
+ {STATUS_FLOAT_DIVIDE_BY_ZERO, GDB_SIGNAL_FPE},
{-1, -1}};
/* Set the MAPPINGS static global to OFFSETS.
mappings = offsets;
}
+/* See windows-nat.h. */
+
+void
+windows_set_segment_register_p (segment_register_p_ftype *fun)
+{
+ segment_register_p = fun;
+}
+
static void
check (BOOL ok, const char *file, int line)
{
l = (*((long *) context_offset) >> 16) & ((1 << 11) - 1);
regcache_raw_supply (regcache, r, (char *) &l);
}
+ else if (segment_register_p (r))
+ {
+ /* GDB treats segment registers as 32bit registers, but they are
+ in fact only 16 bits long. Make sure we do not read extra
+ bits from our source buffer. */
+ l = *((long *) context_offset) & 0xffff;
+ regcache_raw_supply (regcache, r, (char *) &l);
+ }
else if (r >= 0)
regcache_raw_supply (regcache, r, context_offset);
else
asection *text = NULL;
CORE_ADDR text_vma;
- abfd = bfd_openr (so->so_name, "pei-i386");
+ abfd = gdb_bfd_ref (bfd_openr (so->so_name, "pei-i386"));
if (!abfd)
return so;
if (!text)
{
- bfd_close (abfd);
+ gdb_bfd_unref (abfd);
return so;
}
load_addr + 0x1000);
cygwin_load_end = cygwin_load_start + bfd_section_size (abfd, text);
- bfd_close (abfd);
+ gdb_bfd_unref (abfd);
}
#endif
}
/* Load DLL symbol info. */
-void
+static void
dll_symbol_command (char *args, int from_tty)
{
int n;
to treat this like a real signal. */
char *p;
int sig = strtol (s + sizeof (_CYGWIN_SIGNAL_STRING) - 1, &p, 0);
- int gotasig = target_signal_from_host (sig);
+ int gotasig = gdb_signal_from_host (sig);
ourstatus->value.sig = gotasig;
if (gotasig)
{
{
case EXCEPTION_ACCESS_VIOLATION:
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ACCESS_VIOLATION");
- ourstatus->value.sig = TARGET_SIGNAL_SEGV;
+ ourstatus->value.sig = GDB_SIGNAL_SEGV;
#ifdef __CYGWIN__
{
/* See if the access violation happened within the cygwin DLL
cygwin later in the process and will be sent as a
cygwin-specific-signal. So, ignore SEGVs if they show up
within the text segment of the DLL itself. */
- char *fn;
+ const char *fn;
CORE_ADDR addr = (CORE_ADDR) (uintptr_t)
current_event.u.Exception.ExceptionRecord.ExceptionAddress;
break;
case STATUS_STACK_OVERFLOW:
DEBUG_EXCEPTION_SIMPLE ("STATUS_STACK_OVERFLOW");
- ourstatus->value.sig = TARGET_SIGNAL_SEGV;
+ ourstatus->value.sig = GDB_SIGNAL_SEGV;
break;
case STATUS_FLOAT_DENORMAL_OPERAND:
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_DENORMAL_OPERAND");
- ourstatus->value.sig = TARGET_SIGNAL_FPE;
+ ourstatus->value.sig = GDB_SIGNAL_FPE;
break;
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ARRAY_BOUNDS_EXCEEDED");
- ourstatus->value.sig = TARGET_SIGNAL_FPE;
+ ourstatus->value.sig = GDB_SIGNAL_FPE;
break;
case STATUS_FLOAT_INEXACT_RESULT:
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_INEXACT_RESULT");
- ourstatus->value.sig = TARGET_SIGNAL_FPE;
+ ourstatus->value.sig = GDB_SIGNAL_FPE;
break;
case STATUS_FLOAT_INVALID_OPERATION:
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_INVALID_OPERATION");
- ourstatus->value.sig = TARGET_SIGNAL_FPE;
+ ourstatus->value.sig = GDB_SIGNAL_FPE;
break;
case STATUS_FLOAT_OVERFLOW:
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_OVERFLOW");
- ourstatus->value.sig = TARGET_SIGNAL_FPE;
+ ourstatus->value.sig = GDB_SIGNAL_FPE;
break;
case STATUS_FLOAT_STACK_CHECK:
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_STACK_CHECK");
- ourstatus->value.sig = TARGET_SIGNAL_FPE;
+ ourstatus->value.sig = GDB_SIGNAL_FPE;
break;
case STATUS_FLOAT_UNDERFLOW:
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_UNDERFLOW");
- ourstatus->value.sig = TARGET_SIGNAL_FPE;
+ ourstatus->value.sig = GDB_SIGNAL_FPE;
break;
case STATUS_FLOAT_DIVIDE_BY_ZERO:
DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_DIVIDE_BY_ZERO");
- ourstatus->value.sig = TARGET_SIGNAL_FPE;
+ ourstatus->value.sig = GDB_SIGNAL_FPE;
break;
case STATUS_INTEGER_DIVIDE_BY_ZERO:
DEBUG_EXCEPTION_SIMPLE ("STATUS_INTEGER_DIVIDE_BY_ZERO");
- ourstatus->value.sig = TARGET_SIGNAL_FPE;
+ ourstatus->value.sig = GDB_SIGNAL_FPE;
break;
case STATUS_INTEGER_OVERFLOW:
DEBUG_EXCEPTION_SIMPLE ("STATUS_INTEGER_OVERFLOW");
- ourstatus->value.sig = TARGET_SIGNAL_FPE;
+ ourstatus->value.sig = GDB_SIGNAL_FPE;
break;
case EXCEPTION_BREAKPOINT:
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_BREAKPOINT");
- ourstatus->value.sig = TARGET_SIGNAL_TRAP;
+ ourstatus->value.sig = GDB_SIGNAL_TRAP;
break;
case DBG_CONTROL_C:
DEBUG_EXCEPTION_SIMPLE ("DBG_CONTROL_C");
- ourstatus->value.sig = TARGET_SIGNAL_INT;
+ ourstatus->value.sig = GDB_SIGNAL_INT;
break;
case DBG_CONTROL_BREAK:
DEBUG_EXCEPTION_SIMPLE ("DBG_CONTROL_BREAK");
- ourstatus->value.sig = TARGET_SIGNAL_INT;
+ ourstatus->value.sig = GDB_SIGNAL_INT;
break;
case EXCEPTION_SINGLE_STEP:
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_SINGLE_STEP");
- ourstatus->value.sig = TARGET_SIGNAL_TRAP;
+ ourstatus->value.sig = GDB_SIGNAL_TRAP;
break;
case EXCEPTION_ILLEGAL_INSTRUCTION:
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ILLEGAL_INSTRUCTION");
- ourstatus->value.sig = TARGET_SIGNAL_ILL;
+ ourstatus->value.sig = GDB_SIGNAL_ILL;
break;
case EXCEPTION_PRIV_INSTRUCTION:
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_PRIV_INSTRUCTION");
- ourstatus->value.sig = TARGET_SIGNAL_ILL;
+ ourstatus->value.sig = GDB_SIGNAL_ILL;
break;
case EXCEPTION_NONCONTINUABLE_EXCEPTION:
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_NONCONTINUABLE_EXCEPTION");
- ourstatus->value.sig = TARGET_SIGNAL_ILL;
+ ourstatus->value.sig = GDB_SIGNAL_ILL;
break;
default:
/* Treat unhandled first chance exceptions specially. */
current_event.u.Exception.ExceptionRecord.ExceptionCode,
host_address_to_string (
current_event.u.Exception.ExceptionRecord.ExceptionAddress));
- ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
+ ourstatus->value.sig = GDB_SIGNAL_UNKNOWN;
break;
}
exception_count++;
static void
windows_resume (struct target_ops *ops,
- ptid_t ptid, int step, enum target_signal sig)
+ ptid_t ptid, int step, enum gdb_signal sig)
{
thread_info *th;
DWORD continue_status = DBG_CONTINUE;
if (resume_all)
ptid = inferior_ptid;
- if (sig != TARGET_SIGNAL_0)
+ if (sig != GDB_SIGNAL_0)
{
if (current_event.dwDebugEventCode != EXCEPTION_DEBUG_EVENT)
{
last_sig));
}
- last_sig = TARGET_SIGNAL_0;
+ last_sig = GDB_SIGNAL_0;
DEBUG_EXEC (("gdb: windows_resume (pid=%d, tid=%ld, step=%d, sig=%d);\n",
ptid_get_pid (ptid), ptid_get_tid (ptid), step, sig));
handler is in charge of interrupting the inferior using DebugBreakProcess.
Note that this function is not available prior to Windows XP. In this case
we emit a warning. */
-BOOL WINAPI
+static BOOL WINAPI
ctrl_c_handler (DWORD event_type)
{
const int attach_flag = current_inferior ()->attach_flag;
static thread_info dummy_thread_info;
int retval = 0;
- last_sig = TARGET_SIGNAL_0;
+ last_sig = GDB_SIGNAL_0;
if (!(debug_event = WaitForDebugEvent (¤t_event, 1000)))
goto out;
struct inferior *inf;
struct thread_info *tp;
- last_sig = TARGET_SIGNAL_0;
+ last_sig = GDB_SIGNAL_0;
event_count = 0;
exception_count = 0;
open_process_used = 0;
stop_after_trap = 1;
wait_for_inferior ();
tp = inferior_thread ();
- if (tp->suspend.stop_signal != TARGET_SIGNAL_TRAP)
+ if (tp->suspend.stop_signal != GDB_SIGNAL_TRAP)
resume (0, tp->suspend.stop_signal);
else
break;
int detached = 1;
ptid_t ptid = {-1};
- windows_resume (ops, ptid, 0, TARGET_SIGNAL_0);
+ windows_resume (ops, ptid, 0, GDB_SIGNAL_0);
if (!DebugActiveProcessStop (current_event.dwProcessId))
{
add_info_alias ("dll", "sharedlibrary", 1);
}
+/* -Wmissing-prototypes */
+extern initialize_file_ftype _initialize_windows_nat;
+
void
_initialize_windows_nat (void)
{
? FALSE : TRUE;
}
+/* -Wmissing-prototypes */
+extern initialize_file_ftype _initialize_check_for_gdb_ini;
+
void
_initialize_check_for_gdb_ini (void)
{
return size;
}
+/* -Wmissing-prototypes */
+extern initialize_file_ftype _initialize_loadable;
+
/* Load any functions which may not be available in ancient versions
of Windows. */
+
void
_initialize_loadable (void)
{
projects / deliverable / binutils-gdb.git / blobdiff