* config/i386/mingw.mh, config/i386/mingw.mt: New files.
* configure.tgt (i[34567]86-*-mingw32*): Set gdb_target = mingw. * win32-nat.c: Only include cygwin.h on Cygwin host. Don't include procfs.h. (cygwin_load_start, cygwin_load_end, cygwin_exceptions): Disable if not building on Cygwin. (win32_make_so, handle_output_debug_string, handle_exception) (do_initial_win32_stuff): Wrap Cygwin specific code in __CYGWIN__. (win32_attach): Only fallback to Cygwin pids if building on Cygwin. (win32_pid_to_exec_file): Disable Cygwin specific code, if not building on Cygwin. (win32_create_inferior): Disable starting the inferior through a shell, environment var processing and tty handling if not building on Cygwin. (cygwin_pid_to_str): Rename to ... (win32_pid_to_str): ... this. (init_win32_ops): Update use of win32_pid_to_str. Disable "shell" and "cygwin-exceptions" commands if not building on Cygwin.
This commit is contained in:
Pedro Alves
parent
00e3c4762a
commit
10325bc5c4
@ -1,3 +1,25 @@
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2007-10-16 Pedro Alves <pedro_alves@portugalmail.pt>
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* config/i386/mingw.mh, config/i386/mingw.mt: New files.
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* configure.tgt (i[34567]86-*-mingw32*): Set gdb_target = mingw.
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* win32-nat.c: Only include cygwin.h on Cygwin host. Don't
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include procfs.h.
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(cygwin_load_start, cygwin_load_end, cygwin_exceptions): Disable
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if not building on Cygwin.
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(win32_make_so, handle_output_debug_string, handle_exception)
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(do_initial_win32_stuff): Wrap Cygwin specific code in __CYGWIN__.
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(win32_attach): Only fallback to Cygwin pids if building on
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Cygwin.
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(win32_pid_to_exec_file): Disable Cygwin specific code, if not
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building on Cygwin.
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(win32_create_inferior): Disable starting the inferior through a
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shell, environment var processing and tty handling if not building
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on Cygwin.
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(cygwin_pid_to_str): Rename to ...
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(win32_pid_to_str): ... this.
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(init_win32_ops): Update use of win32_pid_to_str. Disable "shell"
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and "cygwin-exceptions" commands if not building on Cygwin.
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2007-10-16 Gaius Mulley <gaius@glam.ac.uk>
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* doc/gdb.texinfo: Add TSIZE definition, removed
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4
gdb/config/i386/mingw.mh
Normal file
4
gdb/config/i386/mingw.mh
Normal file
@ -0,0 +1,4 @@
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MH_CFLAGS=
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NATDEPFILES= i386-nat.o win32-nat.o
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NAT_FILE=nm-cygwin.h
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XM_CLIBS=
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3
gdb/config/i386/mingw.mt
Normal file
3
gdb/config/i386/mingw.mt
Normal file
@ -0,0 +1,3 @@
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# Target: Intel 386 run win32
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TDEPFILES= i386-tdep.o i386-cygwin-tdep.o i387-tdep.o \
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solib-target.o corelow.o
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@ -120,7 +120,7 @@ i[34567]86-*-gnu*) gdb_target=i386gnu ;;
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i[34567]86-*-cygwin*) gdb_target=cygwin
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build_gdbserver=yes
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;;
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i[34567]86-*-mingw32*) gdb_target=i386
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i[34567]86-*-mingw32*) gdb_target=mingw
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build_gdbserver=yes
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;;
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i[34567]86-*-*) gdb_target=i386 ;;
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@ -22,8 +22,6 @@
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/* Originally by Steve Chamberlain, sac@cygnus.com */
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/* We assume we're being built with and will be used for cygwin. */
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#include "defs.h"
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#include "frame.h" /* required by inferior.h */
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#include "inferior.h"
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@ -40,7 +38,9 @@
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#include <stdlib.h>
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#include <windows.h>
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#include <imagehlp.h>
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#ifdef __CYGWIN__
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#include <sys/cygwin.h>
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#endif
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#include <signal.h>
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#include "buildsym.h"
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@ -64,9 +64,11 @@
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static struct target_ops win32_ops;
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#ifdef __CYGWIN__
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/* The starting and ending address of the cygwin1.dll text segment. */
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static bfd_vma cygwin_load_start;
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static bfd_vma cygwin_load_end;
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#endif
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static int have_saved_context; /* True if we've saved context from a cygwin signal. */
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static CONTEXT saved_context; /* Containes the saved context from a cygwin signal. */
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@ -81,7 +83,6 @@ enum
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CONTEXT_DEBUGGER = (CONTEXT_FULL | CONTEXT_FLOATING_POINT)
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};
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#endif
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#include <sys/procfs.h>
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#include <psapi.h>
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#define CONTEXT_DEBUGGER_DR CONTEXT_DEBUGGER | CONTEXT_DEBUG_REGISTERS \
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@ -142,7 +143,9 @@ static int saw_create;
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/* User options. */
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static int new_console = 0;
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#ifdef __CYGWIN__
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static int cygwin_exceptions = 0;
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#endif
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static int new_group = 1;
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static int debug_exec = 0; /* show execution */
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static int debug_events = 0; /* show events from kernel */
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@ -637,9 +640,11 @@ win32_make_so (const char *name, DWORD load_addr)
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so = XZALLOC (struct so_list);
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so->lm_info = (struct lm_info *) xmalloc (sizeof (struct lm_info));
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so->lm_info->load_addr = load_addr;
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cygwin_conv_to_posix_path (buf, so->so_name);
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strcpy (so->so_original_name, name);
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#ifndef __CYGWIN__
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strcpy (so->so_name, buf);
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#else
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cygwin_conv_to_posix_path (buf, so->so_name);
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/* Record cygwin1.dll .text start/end. */
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p = strchr (so->so_name, '\0') - (sizeof ("/cygwin1.dll") - 1);
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if (p >= so->so_name && strcasecmp (p, "/cygwin1.dll") == 0)
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@ -670,6 +675,7 @@ win32_make_so (const char *name, DWORD load_addr)
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bfd_close (abfd);
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}
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#endif
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return so;
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}
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@ -819,7 +825,9 @@ handle_output_debug_string (struct target_waitstatus *ourstatus)
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/* nothing to do */;
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else if (strncmp (s, _CYGWIN_SIGNAL_STRING, sizeof (_CYGWIN_SIGNAL_STRING) - 1) != 0)
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{
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#ifdef __CYGWIN__
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if (strncmp (s, "cYg", 3) != 0)
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#endif
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warning (("%s"), s);
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}
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#ifdef __COPY_CONTEXT_SIZE
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@ -997,6 +1005,7 @@ handle_exception (struct target_waitstatus *ourstatus)
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case EXCEPTION_ACCESS_VIOLATION:
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DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ACCESS_VIOLATION");
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ourstatus->value.sig = TARGET_SIGNAL_SEGV;
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#ifdef __CYGWIN__
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{
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/* See if the access violation happened within the cygwin DLL itself. Cygwin uses
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a kind of exception handling to deal with passed-in invalid addresses. gdb
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@ -1011,6 +1020,7 @@ handle_exception (struct target_waitstatus *ourstatus)
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&& strncmp (fn, "KERNEL32!IsBad", strlen ("KERNEL32!IsBad")) == 0))
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return 0;
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}
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#endif
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break;
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case STATUS_STACK_OVERFLOW:
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DEBUG_EXCEPTION_SIMPLE ("STATUS_STACK_OVERFLOW");
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@ -1472,7 +1482,9 @@ do_initial_win32_stuff (DWORD pid)
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debug_registers_used = 0;
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for (i = 0; i < sizeof (dr) / sizeof (dr[0]); i++)
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dr[i] = 0;
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#ifdef __CYGWIN__
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cygwin_load_start = cygwin_load_end = 0;
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#endif
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current_event.dwProcessId = pid;
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memset (¤t_event, 0, sizeof (current_event));
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push_target (&win32_ops);
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@ -1625,6 +1637,7 @@ win32_attach (char *args, int from_tty)
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ok = DebugActiveProcess (pid);
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saw_create = 0;
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#ifdef __CYGWIN__
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if (!ok)
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{
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/* Try fall back to Cygwin pid */
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@ -1632,10 +1645,11 @@ win32_attach (char *args, int from_tty)
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if (pid > 0)
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ok = DebugActiveProcess (pid);
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}
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#endif
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if (!ok)
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error (_("Can't attach to process."));
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}
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if (!ok)
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error (_("Can't attach to process."));
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if (has_detach_ability ())
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DebugSetProcessKillOnExit (FALSE);
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@ -1697,10 +1711,12 @@ win32_pid_to_exec_file (int pid)
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/* Try to find the process path using the Cygwin internal process list
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pid isn't a valid pid, unfortunately. Use current_event.dwProcessId
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instead. */
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/* TODO: Also find native Windows processes using CW_GETPINFO_FULL. */
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static char path[MAX_PATH + 1];
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char *path_ptr = NULL;
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#ifdef __CYGWIN__
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/* TODO: Also find native Windows processes using CW_GETPINFO_FULL. */
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int cpid;
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struct external_pinfo *pinfo;
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@ -1718,6 +1734,8 @@ win32_pid_to_exec_file (int pid)
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}
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}
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cygwin_internal (CW_UNLOCK_PINFO);
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#endif
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return path_ptr;
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}
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@ -1764,6 +1782,7 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
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memset (&si, 0, sizeof (si));
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si.cb = sizeof (si);
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#ifdef __CYGWIN__
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if (!useshell)
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{
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flags = DEBUG_ONLY_THIS_PROCESS;
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@ -1784,6 +1803,10 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
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toexec = shell;
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flags = DEBUG_PROCESS;
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}
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#else
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toexec = exec_file;
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flags = DEBUG_ONLY_THIS_PROCESS;
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#endif
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if (new_group)
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flags |= CREATE_NEW_PROCESS_GROUP;
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@ -1798,6 +1821,7 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
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strcat (args, " ");
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strcat (args, allargs);
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#ifdef __CYGWIN__
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/* Prepare the environment vars for CreateProcess. */
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cygwin_internal (CW_SYNC_WINENV);
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@ -1821,6 +1845,7 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
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dup2 (tty, 2);
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}
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}
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#endif
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win32_init_thread_list ();
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ret = CreateProcess (0,
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@ -1833,6 +1858,8 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
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NULL, /* current directory */
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&si,
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&pi);
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#ifdef __CYGWIN__
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if (tty >= 0)
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{
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close (tty);
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@ -1843,6 +1870,7 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
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close (ostdout);
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close (ostderr);
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}
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#endif
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if (!ret)
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error (_("Error creating process %s, (error %d)."),
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@ -1951,7 +1979,7 @@ win32_close (int x)
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/* Convert pid to printable format. */
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static char *
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cygwin_pid_to_str (ptid_t ptid)
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win32_pid_to_str (ptid_t ptid)
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{
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static char buf[80];
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int pid = PIDGET (ptid);
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@ -2055,7 +2083,7 @@ init_win32_ops (void)
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win32_ops.to_mourn_inferior = win32_mourn_inferior;
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win32_ops.to_can_run = win32_can_run;
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win32_ops.to_thread_alive = win32_win32_thread_alive;
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win32_ops.to_pid_to_str = cygwin_pid_to_str;
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win32_ops.to_pid_to_str = win32_pid_to_str;
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win32_ops.to_stop = win32_stop;
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win32_ops.to_stratum = process_stratum;
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win32_ops.to_has_all_memory = 1;
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@ -2086,6 +2114,7 @@ _initialize_win32_nat (void)
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add_com_alias ("sharedlibrary", "dll-symbols", class_alias, 1);
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#ifdef __CYGWIN__
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add_setshow_boolean_cmd ("shell", class_support, &useshell, _("\
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Set use of shell to start subprocess."), _("\
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Show use of shell to start subprocess."), NULL,
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@ -2099,6 +2128,7 @@ Show whether gdb breaks on exceptions in the Cygwin DLL itself."), NULL,
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NULL,
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NULL, /* FIXME: i18n: */
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&setlist, &showlist);
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#endif
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add_setshow_boolean_cmd ("new-console", class_support, &new_console, _("\
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Set creation of new console when creating child process."), _("\
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||||
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||||
@ -22,8 +22,6 @@
|
||||
|
||||
/* Originally by Steve Chamberlain, sac@cygnus.com */
|
||||
|
||||
/* We assume we're being built with and will be used for cygwin. */
|
||||
|
||||
#include "defs.h"
|
||||
#include "frame.h" /* required by inferior.h */
|
||||
#include "inferior.h"
|
||||
@ -40,7 +38,9 @@
|
||||
#include <stdlib.h>
|
||||
#include <windows.h>
|
||||
#include <imagehlp.h>
|
||||
#ifdef __CYGWIN__
|
||||
#include <sys/cygwin.h>
|
||||
#endif
|
||||
#include <signal.h>
|
||||
|
||||
#include "buildsym.h"
|
||||
@ -64,9 +64,11 @@
|
||||
|
||||
static struct target_ops win32_ops;
|
||||
|
||||
#ifdef __CYGWIN__
|
||||
/* The starting and ending address of the cygwin1.dll text segment. */
|
||||
static bfd_vma cygwin_load_start;
|
||||
static bfd_vma cygwin_load_end;
|
||||
#endif
|
||||
|
||||
static int have_saved_context; /* True if we've saved context from a cygwin signal. */
|
||||
static CONTEXT saved_context; /* Containes the saved context from a cygwin signal. */
|
||||
@ -81,7 +83,6 @@ enum
|
||||
CONTEXT_DEBUGGER = (CONTEXT_FULL | CONTEXT_FLOATING_POINT)
|
||||
};
|
||||
#endif
|
||||
#include <sys/procfs.h>
|
||||
#include <psapi.h>
|
||||
|
||||
#define CONTEXT_DEBUGGER_DR CONTEXT_DEBUGGER | CONTEXT_DEBUG_REGISTERS \
|
||||
@ -142,7 +143,9 @@ static int saw_create;
|
||||
|
||||
/* User options. */
|
||||
static int new_console = 0;
|
||||
#ifdef __CYGWIN__
|
||||
static int cygwin_exceptions = 0;
|
||||
#endif
|
||||
static int new_group = 1;
|
||||
static int debug_exec = 0; /* show execution */
|
||||
static int debug_events = 0; /* show events from kernel */
|
||||
@ -637,9 +640,11 @@ win32_make_so (const char *name, DWORD load_addr)
|
||||
so = XZALLOC (struct so_list);
|
||||
so->lm_info = (struct lm_info *) xmalloc (sizeof (struct lm_info));
|
||||
so->lm_info->load_addr = load_addr;
|
||||
cygwin_conv_to_posix_path (buf, so->so_name);
|
||||
strcpy (so->so_original_name, name);
|
||||
|
||||
#ifndef __CYGWIN__
|
||||
strcpy (so->so_name, buf);
|
||||
#else
|
||||
cygwin_conv_to_posix_path (buf, so->so_name);
|
||||
/* Record cygwin1.dll .text start/end. */
|
||||
p = strchr (so->so_name, '\0') - (sizeof ("/cygwin1.dll") - 1);
|
||||
if (p >= so->so_name && strcasecmp (p, "/cygwin1.dll") == 0)
|
||||
@ -670,6 +675,7 @@ win32_make_so (const char *name, DWORD load_addr)
|
||||
|
||||
bfd_close (abfd);
|
||||
}
|
||||
#endif
|
||||
|
||||
return so;
|
||||
}
|
||||
@ -819,7 +825,9 @@ handle_output_debug_string (struct target_waitstatus *ourstatus)
|
||||
/* nothing to do */;
|
||||
else if (strncmp (s, _CYGWIN_SIGNAL_STRING, sizeof (_CYGWIN_SIGNAL_STRING) - 1) != 0)
|
||||
{
|
||||
#ifdef __CYGWIN__
|
||||
if (strncmp (s, "cYg", 3) != 0)
|
||||
#endif
|
||||
warning (("%s"), s);
|
||||
}
|
||||
#ifdef __COPY_CONTEXT_SIZE
|
||||
@ -997,6 +1005,7 @@ handle_exception (struct target_waitstatus *ourstatus)
|
||||
case EXCEPTION_ACCESS_VIOLATION:
|
||||
DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ACCESS_VIOLATION");
|
||||
ourstatus->value.sig = TARGET_SIGNAL_SEGV;
|
||||
#ifdef __CYGWIN__
|
||||
{
|
||||
/* See if the access violation happened within the cygwin DLL itself. Cygwin uses
|
||||
a kind of exception handling to deal with passed-in invalid addresses. gdb
|
||||
@ -1011,6 +1020,7 @@ handle_exception (struct target_waitstatus *ourstatus)
|
||||
&& strncmp (fn, "KERNEL32!IsBad", strlen ("KERNEL32!IsBad")) == 0))
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
break;
|
||||
case STATUS_STACK_OVERFLOW:
|
||||
DEBUG_EXCEPTION_SIMPLE ("STATUS_STACK_OVERFLOW");
|
||||
@ -1472,7 +1482,9 @@ do_initial_win32_stuff (DWORD pid)
|
||||
debug_registers_used = 0;
|
||||
for (i = 0; i < sizeof (dr) / sizeof (dr[0]); i++)
|
||||
dr[i] = 0;
|
||||
#ifdef __CYGWIN__
|
||||
cygwin_load_start = cygwin_load_end = 0;
|
||||
#endif
|
||||
current_event.dwProcessId = pid;
|
||||
memset (¤t_event, 0, sizeof (current_event));
|
||||
push_target (&win32_ops);
|
||||
@ -1625,6 +1637,7 @@ win32_attach (char *args, int from_tty)
|
||||
ok = DebugActiveProcess (pid);
|
||||
saw_create = 0;
|
||||
|
||||
#ifdef __CYGWIN__
|
||||
if (!ok)
|
||||
{
|
||||
/* Try fall back to Cygwin pid */
|
||||
@ -1632,10 +1645,11 @@ win32_attach (char *args, int from_tty)
|
||||
|
||||
if (pid > 0)
|
||||
ok = DebugActiveProcess (pid);
|
||||
}
|
||||
#endif
|
||||
|
||||
if (!ok)
|
||||
error (_("Can't attach to process."));
|
||||
}
|
||||
if (!ok)
|
||||
error (_("Can't attach to process."));
|
||||
|
||||
if (has_detach_ability ())
|
||||
DebugSetProcessKillOnExit (FALSE);
|
||||
@ -1697,10 +1711,12 @@ win32_pid_to_exec_file (int pid)
|
||||
/* Try to find the process path using the Cygwin internal process list
|
||||
pid isn't a valid pid, unfortunately. Use current_event.dwProcessId
|
||||
instead. */
|
||||
/* TODO: Also find native Windows processes using CW_GETPINFO_FULL. */
|
||||
|
||||
static char path[MAX_PATH + 1];
|
||||
char *path_ptr = NULL;
|
||||
|
||||
#ifdef __CYGWIN__
|
||||
/* TODO: Also find native Windows processes using CW_GETPINFO_FULL. */
|
||||
int cpid;
|
||||
struct external_pinfo *pinfo;
|
||||
|
||||
@ -1718,6 +1734,8 @@ win32_pid_to_exec_file (int pid)
|
||||
}
|
||||
}
|
||||
cygwin_internal (CW_UNLOCK_PINFO);
|
||||
#endif
|
||||
|
||||
return path_ptr;
|
||||
}
|
||||
|
||||
@ -1764,6 +1782,7 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
|
||||
memset (&si, 0, sizeof (si));
|
||||
si.cb = sizeof (si);
|
||||
|
||||
#ifdef __CYGWIN__
|
||||
if (!useshell)
|
||||
{
|
||||
flags = DEBUG_ONLY_THIS_PROCESS;
|
||||
@ -1784,6 +1803,10 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
|
||||
toexec = shell;
|
||||
flags = DEBUG_PROCESS;
|
||||
}
|
||||
#else
|
||||
toexec = exec_file;
|
||||
flags = DEBUG_ONLY_THIS_PROCESS;
|
||||
#endif
|
||||
|
||||
if (new_group)
|
||||
flags |= CREATE_NEW_PROCESS_GROUP;
|
||||
@ -1798,6 +1821,7 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
|
||||
strcat (args, " ");
|
||||
strcat (args, allargs);
|
||||
|
||||
#ifdef __CYGWIN__
|
||||
/* Prepare the environment vars for CreateProcess. */
|
||||
cygwin_internal (CW_SYNC_WINENV);
|
||||
|
||||
@ -1821,6 +1845,7 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
|
||||
dup2 (tty, 2);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
win32_init_thread_list ();
|
||||
ret = CreateProcess (0,
|
||||
@ -1833,6 +1858,8 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
|
||||
NULL, /* current directory */
|
||||
&si,
|
||||
&pi);
|
||||
|
||||
#ifdef __CYGWIN__
|
||||
if (tty >= 0)
|
||||
{
|
||||
close (tty);
|
||||
@ -1843,6 +1870,7 @@ win32_create_inferior (char *exec_file, char *allargs, char **in_env,
|
||||
close (ostdout);
|
||||
close (ostderr);
|
||||
}
|
||||
#endif
|
||||
|
||||
if (!ret)
|
||||
error (_("Error creating process %s, (error %d)."),
|
||||
@ -1951,7 +1979,7 @@ win32_close (int x)
|
||||
|
||||
/* Convert pid to printable format. */
|
||||
static char *
|
||||
cygwin_pid_to_str (ptid_t ptid)
|
||||
win32_pid_to_str (ptid_t ptid)
|
||||
{
|
||||
static char buf[80];
|
||||
int pid = PIDGET (ptid);
|
||||
@ -2055,7 +2083,7 @@ init_win32_ops (void)
|
||||
win32_ops.to_mourn_inferior = win32_mourn_inferior;
|
||||
win32_ops.to_can_run = win32_can_run;
|
||||
win32_ops.to_thread_alive = win32_win32_thread_alive;
|
||||
win32_ops.to_pid_to_str = cygwin_pid_to_str;
|
||||
win32_ops.to_pid_to_str = win32_pid_to_str;
|
||||
win32_ops.to_stop = win32_stop;
|
||||
win32_ops.to_stratum = process_stratum;
|
||||
win32_ops.to_has_all_memory = 1;
|
||||
@ -2086,6 +2114,7 @@ _initialize_win32_nat (void)
|
||||
|
||||
add_com_alias ("sharedlibrary", "dll-symbols", class_alias, 1);
|
||||
|
||||
#ifdef __CYGWIN__
|
||||
add_setshow_boolean_cmd ("shell", class_support, &useshell, _("\
|
||||
Set use of shell to start subprocess."), _("\
|
||||
Show use of shell to start subprocess."), NULL,
|
||||
@ -2099,6 +2128,7 @@ Show whether gdb breaks on exceptions in the Cygwin DLL itself."), NULL,
|
||||
NULL,
|
||||
NULL, /* FIXME: i18n: */
|
||||
&setlist, &showlist);
|
||||
#endif
|
||||
|
||||
add_setshow_boolean_cmd ("new-console", class_support, &new_console, _("\
|
||||
Set creation of new console when creating child process."), _("\
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user