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winedbg: Add support for starting on a user-supplied port. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2018-05-02 19:32:50 -05:00 committed by Alexandre Julliard
parent 09a39230c2
commit 3849270aa7
2 changed files with 30 additions and 8 deletions
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34
programs/winedbg/gdbproxy.c
View File

@ -2468,10 +2468,10 @@ static BOOL gdb_exec(const char* wine_path, unsigned port, unsigned flags)
return TRUE;
}
static BOOL gdb_startup(struct gdb_context* gdbctx, DEBUG_EVENT* de, unsigned flags)
static BOOL gdb_startup(struct gdb_context* gdbctx, DEBUG_EVENT* de, unsigned flags, unsigned port)
{
int sock;
struct sockaddr_in s_addrs;
struct sockaddr_in s_addrs = {0};
socklen_t s_len = sizeof(s_addrs);
struct pollfd pollfd;
IMAGEHLP_MODULE64 imh_mod;
@ -2485,6 +2485,12 @@ static BOOL gdb_startup(struct gdb_context* gdbctx, DEBUG_EVENT* de, unsigned fl
return FALSE;
}
s_addrs.sin_family = AF_INET;
s_addrs.sin_addr.s_addr = INADDR_ANY;
s_addrs.sin_port = htons(port);
if (bind(sock, (struct sockaddr *)&s_addrs, sizeof(s_addrs)) == -1)
goto cleanup;
if (listen(sock, 1) == -1 || getsockname(sock, (struct sockaddr*)&s_addrs, &s_len) == -1)
goto cleanup;
@ -2553,7 +2559,7 @@ cleanup:
return ret;
}
static BOOL gdb_init_context(struct gdb_context* gdbctx, unsigned flags)
static BOOL gdb_init_context(struct gdb_context* gdbctx, unsigned flags, unsigned port)
{
DEBUG_EVENT de;
int i;
@ -2586,7 +2592,7 @@ static BOOL gdb_init_context(struct gdb_context* gdbctx, unsigned flags)
* and the only one of this type */
assert(gdbctx->process == NULL && de.dwProcessId == dbg_curr_pid);
/* gdbctx->dwProcessId = pid; */
if (!gdb_startup(gdbctx, &de, flags)) return FALSE;
if (!gdb_startup(gdbctx, &de, flags, port)) return FALSE;
assert(!gdbctx->in_trap);
}
else
@ -2599,13 +2605,13 @@ static BOOL gdb_init_context(struct gdb_context* gdbctx, unsigned flags)
return TRUE;
}
static int gdb_remote(unsigned flags)
static int gdb_remote(unsigned flags, unsigned port)
{
struct pollfd pollfd;
struct gdb_context gdbctx;
BOOL doLoop;
for (doLoop = gdb_init_context(&gdbctx, flags); doLoop;)
for (doLoop = gdb_init_context(&gdbctx, flags, port); doLoop;)
{
pollfd.fd = gdbctx.sock;
pollfd.events = POLLIN;
@ -2647,7 +2653,8 @@ static int gdb_remote(unsigned flags)
int gdb_main(int argc, char* argv[])
{
#ifdef HAVE_POLL
unsigned gdb_flags = 0;
unsigned gdb_flags = 0, port = 0;
char *port_end;
argc--; argv++;
while (argc > 0 && argv[0][0] == '-')
@ -2664,11 +2671,22 @@ int gdb_main(int argc, char* argv[])
argc--; argv++;
continue;
}
if (strcmp(argv[0], "--port") == 0 && argc > 1)
{
port = strtoul(argv[1], &port_end, 10);
if (*port_end)
{
fprintf(stderr, "Invalid port: %s\n", argv[1]);
return -1;
}
argc -= 2; argv += 2;
continue;
}
return -1;
}
if (dbg_active_attach(argc, argv) == start_ok ||
dbg_active_launch(argc, argv) == start_ok)
return gdb_remote(gdb_flags);
return gdb_remote(gdb_flags, port);
#else
fprintf(stderr, "GdbProxy mode not supported on this platform\n");
#endif

4
programs/winedbg/winedbg.man.in
View File

@ -73,6 +73,10 @@ When in \fBgdb\fR proxy mode, the following options are available:
started. Relevant information for starting \fBgdb\fR is printed on
screen. This is somehow useful when not directly using \fBgdb\fR but
some graphical front-ends, like \fBddd\fR or \fBkgbd\fR.
.IP \fB--port\fR\ \fIport\fR
Start the \fBgdb\fR server on the given port. If this option is not
specified, a randomly chosen port will be used. If \fB--no-start\fR is
specified, the port used will be printed on startup.
.IP \fB--with-xterm\fR
This will run \fBgdb\fR in its own xterm instead of using the current
Unix console for textual display.