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* windows-nat.c (dr): Redefine to use largest possible integer which holds a

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pointer.
(cygwin_set_dr): Avoid coercion.
* windows-nat.c (windows_create_inferior): implement --tty handling on
non-cygwin.
This commit is contained in:
Christopher Faylor
2009-03-08 21:01:52 +00:00
parent db37ab6c7c
commit 41b4aadcde
2 changed files with 42 additions and 2 deletions
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11
gdb/ChangeLog
View File

@ -1,3 +1,14 @@
2009-03-08 Christopher Faylor <me+cygwin@cgf.cx>
* windows-nat.c (dr): Redefine to use largest possible integer which
holds a pointer.
(cygwin_set_dr): Avoid coercion.
2009-03-08 Oswald Buddenhagen <oswald.buddenhagen@trolltech.de>
* windows-nat.c (windows_create_inferior): implement --tty handling on
non-cygwin.
2009-03-06 Paul Pluzhnikov <ppluzhnikov@google.com>
Rename solib_address to solib_name_from_address.

33
gdb/windows-nat.c
View File

@ -95,7 +95,7 @@ enum
#define CONTEXT_DEBUGGER_DR CONTEXT_DEBUGGER | CONTEXT_DEBUG_REGISTERS \
| CONTEXT_EXTENDED_REGISTERS
static unsigned dr[8];
static uintptr_t dr[8];
static int debug_registers_changed;
static int debug_registers_used;
#define DR6_CLEAR_VALUE 0xffff0ff0
@ -1815,8 +1815,12 @@ windows_create_inferior (struct target_ops *ops, char *exec_file,
char *toexec;
char shell[MAX_PATH + 1]; /* Path to shell */
const char *sh;
#ifdef __CYGWIN__
int tty;
int ostdin, ostdout, ostderr;
#else
HANDLE tty;
#endif
const char *inferior_io_terminal = get_inferior_io_terminal ();
if (!exec_file)
@ -1886,6 +1890,28 @@ windows_create_inferior (struct target_ops *ops, char *exec_file,
dup2 (tty, 2);
}
}
#else
if (!inferior_io_terminal)
tty = INVALID_HANDLE_VALUE;
else
{
SECURITY_ATTRIBUTES sa;
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = 0;
sa.bInheritHandle = TRUE;
tty = CreateFileA (inferior_io_terminal, GENERIC_READ | GENERIC_WRITE,
0, &sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (tty == INVALID_HANDLE_VALUE)
warning (_("Warning: Failed to open TTY %s, error %#x."),
inferior_io_terminal, (unsigned) GetLastError ());
else
{
si.hStdInput = tty;
si.hStdOutput = tty;
si.hStdError = tty;
si.dwFlags |= STARTF_USESTDHANDLES;
}
}
#endif
windows_init_thread_list ();
@ -1911,6 +1937,9 @@ windows_create_inferior (struct target_ops *ops, char *exec_file,
close (ostdout);
close (ostderr);
}
#else
if (tty != INVALID_HANDLE_VALUE)
CloseHandle (tty);
#endif
if (!ret)
@ -2245,7 +2274,7 @@ cygwin_set_dr (int i, CORE_ADDR addr)
if (i < 0 || i > 3)
internal_error (__FILE__, __LINE__,
_("Invalid register %d in cygwin_set_dr.\n"), i);
dr[i] = (unsigned) addr;
dr[i] = addr;
debug_registers_changed = 1;
debug_registers_used = 1;
}