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[Qemu-devel] [patch] User-mode gdbserver port number
From: |
Paul Brook |
Subject: |
[Qemu-devel] [patch] User-mode gdbserver port number |
Date: |
Sun, 11 Sep 2005 16:42:20 +0100 |
User-agent: |
KMail/1.7.2 |
The attached patch makes the qemu-user -g commandline option take a port
number.
There isn't a standard port number for running gdbserver, so a single
hardcoded value doesn't make a great deal of sense, particularly on multiuser
machines.
Paul
Index: linux-user/main.c
===================================================================
RCS file: /cvsroot/qemu/qemu/linux-user/main.c,v
retrieving revision 1.70
diff -u -p -r1.70 main.c
--- linux-user/main.c 24 Jul 2005 18:44:56 -0000 1.70
+++ linux-user/main.c 11 Sep 2005 15:31:17 -0000
@@ -978,7 +978,7 @@ void usage(void)
"Linux CPU emulator (compiled for %s emulation)\n"
"\n"
"-h print this help\n"
- "-g wait gdb connection to port %d\n"
+ "-g port wait gdb connection to port\n"
"-L path set the elf interpreter prefix (default=%s)\n"
"-s size set the stack size in bytes (default=%ld)\n"
"\n"
@@ -989,7 +989,6 @@ void usage(void)
"-d options activate log (logfile=%s)\n"
"-p pagesize set the host page size to 'pagesize'\n",
TARGET_ARCH,
- DEFAULT_GDBSTUB_PORT,
interp_prefix,
x86_stack_size,
DEBUG_LOGFILE);
@@ -1013,7 +1012,7 @@ int main(int argc, char **argv)
CPUState *env;
int optind;
const char *r;
- int use_gdbstub = 0;
+ int gdbstub_port = 0;
if (argc <= 1)
usage();
@@ -1068,7 +1067,7 @@ int main(int argc, char **argv)
exit(1);
}
} else if (!strcmp(r, "g")) {
- use_gdbstub = 1;
+ gdbstub_port = atoi(argv[optind++]);
} else
#ifdef USE_CODE_COPY
if (!strcmp(r, "no-code-copy")) {
@@ -1247,8 +1246,8 @@ int main(int argc, char **argv)
#error unsupported target CPU
#endif
- if (use_gdbstub) {
- gdbserver_start (DEFAULT_GDBSTUB_PORT);
+ if (gdbstub_port) {
+ gdbserver_start (gdbstub_port);
gdb_handlesig(env, 0);
}
cpu_loop(env);
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