/* Target-vector operations for controlling win32 child processes, for GDB.
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Cygnus Solutions, A Red Hat Company.
#include "i386-tdep.h"
#include "i387-tdep.h"
-#include "i386-cygwin-tdep.h"
+#include "win32-tdep.h"
+#include "win32-nat.h"
static struct target_ops win32_ops;
#endif
#include <psapi.h>
+#ifndef CONTEXT_EXTENDED_REGISTERS
+/* This macro is only defined on ia32. It only makes sense on this target,
+ so define it as zero if not already defined. */
+#define CONTEXT_EXTENDED_REGISTERS 0
+#endif
+
#define CONTEXT_DEBUGGER_DR CONTEXT_DEBUGGER | CONTEXT_DEBUG_REGISTERS \
| CONTEXT_EXTENDED_REGISTERS
static int debug_exceptions = 0; /* show target exceptions */
static int useshell = 0; /* use shell for subprocesses */
-/* This vector maps GDB's idea of a register's number into an address
+/* This vector maps GDB's idea of a register's number into an offset
in the win32 exception context vector.
It also contains the bit mask needed to load the register in question.
+ The contents of this table can only be computed by the units
+ that provide CPU-specific support for Windows native debugging.
+ These units should set the table by calling
+ win32_set_context_register_offsets.
+
One day we could read a reg, we could inspect the context we
already have loaded, if it doesn't have the bit set that we need,
we read that set of registers in using GetThreadContext. If the
the other regs of the group, and then we copy the info in and set
out bit. */
-#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
-static const int mappings[] =
-{
- context_offset (Eax),
- context_offset (Ecx),
- context_offset (Edx),
- context_offset (Ebx),
- context_offset (Esp),
- context_offset (Ebp),
- context_offset (Esi),
- context_offset (Edi),
- context_offset (Eip),
- context_offset (EFlags),
- context_offset (SegCs),
- context_offset (SegSs),
- context_offset (SegDs),
- context_offset (SegEs),
- context_offset (SegFs),
- context_offset (SegGs),
- context_offset (FloatSave.RegisterArea[0 * 10]),
- context_offset (FloatSave.RegisterArea[1 * 10]),
- context_offset (FloatSave.RegisterArea[2 * 10]),
- context_offset (FloatSave.RegisterArea[3 * 10]),
- context_offset (FloatSave.RegisterArea[4 * 10]),
- context_offset (FloatSave.RegisterArea[5 * 10]),
- context_offset (FloatSave.RegisterArea[6 * 10]),
- context_offset (FloatSave.RegisterArea[7 * 10]),
- context_offset (FloatSave.ControlWord),
- context_offset (FloatSave.StatusWord),
- context_offset (FloatSave.TagWord),
- context_offset (FloatSave.ErrorSelector),
- context_offset (FloatSave.ErrorOffset),
- context_offset (FloatSave.DataSelector),
- context_offset (FloatSave.DataOffset),
- context_offset (FloatSave.ErrorSelector)
- /* XMM0-7 */ ,
- context_offset (ExtendedRegisters[10*16]),
- context_offset (ExtendedRegisters[11*16]),
- context_offset (ExtendedRegisters[12*16]),
- context_offset (ExtendedRegisters[13*16]),
- context_offset (ExtendedRegisters[14*16]),
- context_offset (ExtendedRegisters[15*16]),
- context_offset (ExtendedRegisters[16*16]),
- context_offset (ExtendedRegisters[17*16]),
- /* MXCSR */
- context_offset (ExtendedRegisters[24])
-};
-
-#undef context_offset
+static const int *mappings;
/* This vector maps the target's idea of an exception (extracted
from the DEBUG_EVENT structure) to GDB's idea. */
{STATUS_FLOAT_DIVIDE_BY_ZERO, TARGET_SIGNAL_FPE},
{-1, -1}};
+/* Set the MAPPINGS static global to OFFSETS.
+ See the description of MAPPINGS for more details. */
+
+void
+win32_set_context_register_offsets (const int *offsets)
+{
+ mappings = offsets;
+}
+
static void
check (BOOL ok, const char *file, int line)
{
is zero return the first loaded module (which is always the name of the
executable). */
static int
-get_module_name (DWORD base_address, char *dll_name_ret)
+get_module_name (LPVOID base_address, char *dll_name_ret)
{
DWORD len;
MODULEINFO mi;
&mi, sizeof (mi)))
error (_("Can't get module info"));
- if (!base_address || (DWORD) (mi.lpBaseOfDll) == base_address)
+ if (!base_address || mi.lpBaseOfDll == base_address)
{
/* Try to find the name of the given module */
len = psapi_GetModuleFileNameExA (current_process_handle,
/* Maintain a linked list of "so" information. */
struct lm_info
{
- DWORD load_addr;
+ LPVOID load_addr;
};
static struct so_list solib_start, *solib_end;
}
static struct so_list *
-win32_make_so (const char *name, DWORD load_addr)
+win32_make_so (const char *name, LPVOID load_addr)
{
struct so_list *so;
char buf[MAX_PATH + 1];
char *address_ptr;
int len = 0;
char b[2];
- DWORD done;
+ SIZE_T done;
/* Attempt to read the name of the dll that was detected.
This is documented to work only when actively debugging
dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0';
- if (!get_module_name ((DWORD) event->lpBaseOfDll, dll_buf))
+ if (!get_module_name (event->lpBaseOfDll, dll_buf))
dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0';
dll_name = dll_buf;
if (!dll_name)
return 1;
- solib_end->next = win32_make_so (dll_name, (DWORD) event->lpBaseOfDll);
+ solib_end->next = win32_make_so (dll_name, event->lpBaseOfDll);
solib_end = solib_end->next;
DEBUG_EVENTS (("gdb: Loading dll \"%s\" at 0x%lx.\n", solib_end->so_name,
- (DWORD) solib_end->lm_info->load_addr));
+ solib_end->lm_info->load_addr));
return 1;
}
static int
handle_unload_dll (void *dummy)
{
- DWORD lpBaseOfDll = (DWORD) current_event.u.UnloadDll.lpBaseOfDll;
+ LPVOID lpBaseOfDll = current_event.u.UnloadDll.lpBaseOfDll;
struct so_list *so;
for (so = &solib_start; so->next != NULL; so = so->next)
#define DEBUG_EXCEPTION_SIMPLE(x) if (debug_exceptions) \
printf_unfiltered ("gdb: Target exception %s at 0x%08lx\n", x, \
- (DWORD) current_event.u.Exception.ExceptionRecord.ExceptionAddress)
+ current_event.u.Exception.ExceptionRecord.ExceptionAddress)
static int
handle_exception (struct target_waitstatus *ourstatus)
return -1;
printf_unfiltered ("gdb: unknown target exception 0x%08lx at 0x%08lx\n",
current_event.u.Exception.ExceptionRecord.ExceptionCode,
- (DWORD) current_event.u.Exception.ExceptionRecord.ExceptionAddress);
+ current_event.u.Exception.ExceptionRecord.ExceptionAddress);
ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
break;
}
}
static void
-do_initial_win32_stuff (DWORD pid, int attaching)
+do_initial_win32_stuff (struct target_ops *ops, DWORD pid, int attaching)
{
extern int stop_after_trap;
int i;
#endif
current_event.dwProcessId = pid;
memset (¤t_event, 0, sizeof (current_event));
- push_target (&win32_ops);
+ push_target (ops);
disable_breakpoints_in_shlibs ();
win32_clear_solib ();
clear_proceed_status ();
If loading these functions succeeds use them to actually detach from
the inferior process, otherwise behave as usual, pretending that
detach has worked. */
-static BOOL WINAPI (*DebugSetProcessKillOnExit)(BOOL);
-static BOOL WINAPI (*DebugActiveProcessStop)(DWORD);
+static BOOL WINAPI (*kernel32_DebugSetProcessKillOnExit)(BOOL);
+static BOOL WINAPI (*kernel32_DebugActiveProcessStop)(DWORD);
static int
has_detach_ability (void)
kernel32 = LoadLibrary ("kernel32.dll");
if (kernel32)
{
- if (!DebugSetProcessKillOnExit)
- DebugSetProcessKillOnExit = GetProcAddress (kernel32,
- "DebugSetProcessKillOnExit");
- if (!DebugActiveProcessStop)
- DebugActiveProcessStop = GetProcAddress (kernel32,
- "DebugActiveProcessStop");
- if (DebugSetProcessKillOnExit && DebugActiveProcessStop)
+ if (!kernel32_DebugSetProcessKillOnExit)
+ kernel32_DebugSetProcessKillOnExit =
+ (void *) GetProcAddress (kernel32, "DebugSetProcessKillOnExit");
+ if (!kernel32_DebugActiveProcessStop)
+ kernel32_DebugActiveProcessStop =
+ (void *) GetProcAddress (kernel32, "DebugActiveProcessStop");
+ if (kernel32_DebugSetProcessKillOnExit
+ && kernel32_DebugActiveProcessStop)
return 1;
}
return 0;
if (!(advapi32 = LoadLibrary ("advapi32.dll")))
goto out;
if (!OpenProcessToken)
- OpenProcessToken = GetProcAddress (advapi32, "OpenProcessToken");
+ OpenProcessToken =
+ (void *) GetProcAddress (advapi32, "OpenProcessToken");
if (!LookupPrivilegeValue)
- LookupPrivilegeValue = GetProcAddress (advapi32,
- "LookupPrivilegeValueA");
+ LookupPrivilegeValue =
+ (void *) GetProcAddress (advapi32, "LookupPrivilegeValueA");
if (!AdjustTokenPrivileges)
- AdjustTokenPrivileges = GetProcAddress (advapi32,
- "AdjustTokenPrivileges");
+ AdjustTokenPrivileges =
+ (void *) GetProcAddress (advapi32, "AdjustTokenPrivileges");
if (!OpenProcessToken || !LookupPrivilegeValue || !AdjustTokenPrivileges)
{
advapi32 = NULL;
/* Attach to process PID, then initialize for debugging it. */
static void
-win32_attach (char *args, int from_tty)
+win32_attach (struct target_ops *ops, char *args, int from_tty)
{
BOOL ok;
DWORD pid;
error (_("Can't attach to process."));
if (has_detach_ability ())
- DebugSetProcessKillOnExit (FALSE);
+ kernel32_DebugSetProcessKillOnExit (FALSE);
if (from_tty)
{
gdb_flush (gdb_stdout);
}
- do_initial_win32_stuff (pid, 1);
+ do_initial_win32_stuff (ops, pid, 1);
target_terminal_ours ();
}
static void
-win32_detach (char *args, int from_tty)
+win32_detach (struct target_ops *ops, char *args, int from_tty)
{
int detached = 1;
ptid_t ptid = {-1};
win32_resume (ptid, 0, TARGET_SIGNAL_0);
- if (!DebugActiveProcessStop (current_event.dwProcessId))
+ if (!kernel32_DebugActiveProcessStop (current_event.dwProcessId))
{
error (_("Can't detach process %lu (error %lu)"),
current_event.dwProcessId, GetLastError ());
detached = 0;
}
- DebugSetProcessKillOnExit (FALSE);
+ kernel32_DebugSetProcessKillOnExit (FALSE);
}
if (detached && from_tty)
{
inferior_ptid = null_ptid;
detach_inferior (current_event.dwProcessId);
- unpush_target (&win32_ops);
+ unpush_target (ops);
}
static char *
ENV is the environment vector to pass. Errors reported with error(). */
static void
-win32_create_inferior (char *exec_file, char *allargs, char **in_env,
- int from_tty)
+win32_create_inferior (struct target_ops *ops, char *exec_file,
+ char *allargs, char **in_env, int from_tty)
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
else
saw_create = 0;
- do_initial_win32_stuff (pi.dwProcessId, 0);
+ do_initial_win32_stuff (ops, pi.dwProcessId, 0);
/* win32_continue (DBG_CONTINUE, -1); */
}
static void
-win32_mourn_inferior (void)
+win32_mourn_inferior (struct target_ops *ops)
{
(void) win32_continue (DBG_CONTINUE, -1);
i386_cleanup_dregs();
CHECK (CloseHandle (current_process_handle));
open_process_used = 0;
}
- unpush_target (&win32_ops);
+ unpush_target (ops);
generic_mourn_inferior ();
}
int write, struct mem_attrib *mem,
struct target_ops *target)
{
- DWORD done = 0;
+ SIZE_T done = 0;
if (write)
{
DEBUG_MEM (("gdb: write target memory, %d bytes at 0x%08lx\n",
obstack_init (&obstack);
obstack_grow_str (&obstack, "<library-list>\n");
for (so = solib_start.next; so; so = so->next)
- win32_xfer_shared_library (so->so_name, so->lm_info->load_addr, &obstack);
+ win32_xfer_shared_library (so->so_name, (CORE_ADDR) so->lm_info->load_addr,
+ &obstack);
obstack_grow_str0 (&obstack, "</library-list>\n");
buf = obstack_finish (&obstack);
projects / deliverable / binutils-gdb.git / blobdiff