# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1279285330 -3600
# Node ID 7154c8628c6736ef0ca836b2f6d9174d47076870
# Parent 97166307b41e2aa1bf2969ac43aa4f33ede7a1b2
gdbsx: update README and remove space in q packet
Newer version of gdb, version 7*, seems to have bug where it is not
parsing thread list from gdbsx properly. Getting rid of the space in
thread list works around it. It's ok with older gdb also.
Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
xen-unstable changeset: 21806:bb3b28cb7208
xen-unstable date: Thu Jul 15 16:30:24 2010 +0100
---
tools/debugger/gdbsx/README | 2 +-
tools/debugger/gdbsx/gx/gx_main.c | 10 +++++-----
2 files changed, 6 insertions(+), 6 deletions(-)
diff -r 97166307b41e -r 7154c8628c67 tools/debugger/gdbsx/README
--- a/tools/debugger/gdbsx/README Fri Jul 16 14:01:50 2010 +0100
+++ b/tools/debugger/gdbsx/README Fri Jul 16 14:02:10 2010 +0100
@@ -26,7 +26,7 @@ USAGE:
bash> gdb ./vmlinux (exact matching vmlinux of guest kernel)
(gdb) target remote dom0:9999
- - Additionally, to debug loadable kernel modules, please do following:
+ - Additionally, to debug 32bit loadable kernel modules, please do following:
(gdb) p init_mm.pgd[3]
$1 = {pgd = 0x1b874f027}
(gdb) monitor pgd3 0x1b874f027 (Make sure value is in HEX)
diff -r 97166307b41e -r 7154c8628c67 tools/debugger/gdbsx/gx/gx_main.c
--- a/tools/debugger/gdbsx/gx/gx_main.c Fri Jul 16 14:01:50 2010 +0100
+++ b/tools/debugger/gdbsx/gx/gx_main.c Fri Jul 16 14:02:10 2010 +0100
@@ -132,12 +132,12 @@ static void
static void
process_q_request(char *remote_buf)
{
- /* send a list of tids: "m 0,1,2,3l" */
+ /* send a list of tids: "m0,1,2,3l" */
if (strcmp("qfThreadInfo", remote_buf) == 0) {
vcpuid_t vid = 0;
char *p = remote_buf;
- sprintf(p, "m %x", vid); /* puts null char at the end */
+ sprintf(p, "m%x", vid); /* puts null char at the end */
p = p + strlen(p);
for (vid=1; vid <= max_vcpuid; vid++) {
sprintf(p, ",%x", vid);
@@ -146,8 +146,9 @@ process_q_request(char *remote_buf)
sprintf(p, "l"); /* puts null char at the end */
return;
}
+
/* qSymbol works for init_mm, and not init_mm.pgd, hence we can't use
- * it at this time. instead use "monitor" in gdb */
+ * it at this time. instead use "monitor" in gdb */
if (strncmp("qRcmd,", remote_buf, 6) == 0) {
_do_qRcmd_req(remote_buf);
return;
@@ -155,8 +156,7 @@ process_q_request(char *remote_buf)
/* TBD : qThreadExtraInfo : send extra banner info */
- /* nothing else supported right now */
- remote_buf[0] = '\0';
+ remote_buf[0] = '\0'; /* nothing else supported for now */
return;
}
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