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gdb-server: Allow multiple instance.

This commit is contained in:
Uwe Bonnes 2019-03-05 19:40:39 +01:00
parent 9075411c93
commit 3b75cb9a5a
2 changed files with 37 additions and 12 deletions
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1
src/platforms/libftdi/Makefile.inc
View File

@ -7,4 +7,5 @@ CFLAGS += -Wno-cast-function-type
else ifneq (, $(findstring cygwin, $(SYS)))
LDFLAGS += -lusb-1.0 -lws2_32
endif
VPATH += platforms/pc
SRC += timing.c \

48
src/platforms/common/gdb_if.c → src/platforms/pc/gdb_if.c
View File

@ -36,12 +36,16 @@
#include <stdio.h>
#include <assert.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include "general.h"
#include "gdb_if.h"
static int gdb_if_serv, gdb_if_conn;
#define DEFAULT_PORT 2000
#define NUM_GDB_SERVER 4
int gdb_if_init(void)
{
#if defined(_WIN32) || defined(__CYGWIN__)
@ -50,20 +54,40 @@ int gdb_if_init(void)
#endif
struct sockaddr_in addr;
int opt;
int port = DEFAULT_PORT - 1;
addr.sin_family = AF_INET;
addr.sin_port = htons(2000);
addr.sin_addr.s_addr = htonl(INADDR_ANY);
do {
port ++;
if (port > DEFAULT_PORT + NUM_GDB_SERVER)
return - 1;
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = htonl(INADDR_ANY);
assert((gdb_if_serv = socket(PF_INET, SOCK_STREAM, 0)) != -1);
opt = 1;
assert(setsockopt(gdb_if_serv, SOL_SOCKET, SO_REUSEADDR, (void*)&opt, sizeof(opt)) != -1);
assert(setsockopt(gdb_if_serv, IPPROTO_TCP, TCP_NODELAY, (void*)&opt, sizeof(opt)) != -1);
gdb_if_serv = socket(PF_INET, SOCK_STREAM, 0);
if (gdb_if_serv == -1)
continue;
assert(bind(gdb_if_serv, (void*)&addr, sizeof(addr)) != -1);
assert(listen(gdb_if_serv, 1) != -1);
DEBUG("Listening on TCP:2000\n");
opt = 1;
if (setsockopt(gdb_if_serv, SOL_SOCKET, SO_REUSEADDR, (void*)&opt, sizeof(opt)) == -1) {
close(gdb_if_serv);
continue;
}
if (setsockopt(gdb_if_serv, IPPROTO_TCP, TCP_NODELAY, (void*)&opt, sizeof(opt)) == -1) {
close(gdb_if_serv);
continue;
}
if (bind(gdb_if_serv, (void*)&addr, sizeof(addr)) == -1) {
close(gdb_if_serv);
continue;
}
if (listen(gdb_if_serv, 1) == -1) {
close(gdb_if_serv);
continue;
}
break;
} while(1);
DEBUG("Listening on TCP: %4d\n", port);
return 0;
}