Ian Soanes wrote:
>
> Michael Shmulevich wrote:
> >
> > Ian Soanes wrote:
> >
> > > The (host side) gdb I've been using was configured with ./configure
> > > --target=mipsel-linux-elf (my target is an IDT MIPS 79S334 evaluation
> > > board). I too am using an x86 host. I used a development version of
> > > gdb-5.0 (I found the 'official' 5.0 had problems with the
> > > add-symbol-file command that I use for kernel module debugging, and more
> > > importantly for you... breakpoints didn't work) These problems are gone
> > > in the later version.
> >
> > To start with, mips-linux-elf is not supported by gdbserver either with
> > out-of-the-box 5.0:
> >
>
> Hi Michael,
>
> No, I meant configuring the 'cross-debugging' gdb that I use on the x86
> host. I think standard 5.0 will support the mipsel-linux-elf target also
> (but something later is better). As for gdbserver... yes, you'll be out
> of luck... that's why I have to hand build (cross compile) it (pending
> getting the config stuff sorted out).
>
Hmm, I added linux-mips target for gdbserver in gdb 4.17. And I thought Ralf
sent the patch back to FSF (as I had to fill out some copyright forms).
Perhaps it is lost somewhere?
Anyhow, here is the patch that I submitted. Hopefully it helps.
Jun
--- gdb-4.17/gdb/config/mips/mipsel-linux.mh.orig Mon May 22 18:39:07 2000
+++ gdb-4.17/gdb/config/mips/mipsel-linux.mh Mon May 22 18:39:07 2000
@@ -3,6 +3,8 @@
XM_FILE= xm-llinux.h
NAT_FILE= nm-linux.h
NATDEPFILES= infptrace.o inftarg.o mipslinux-nat.o corelow.o core-regset.o fork-child.o solib.o
+GDBSERVER_DEPFILES= low-linux.o
+GDBSERVER_LIBS=
MMALLOC =
MMALLOC_CFLAGS = -DNO_MMALLOC
--- gdb-4.17/gdb/config/mips/xm-llinux.h.orig Mon May 22 18:39:07 2000
+++ gdb-4.17/gdb/config/mips/xm-llinux.h Mon May 22 18:41:36 2000
@@ -31,3 +31,6 @@
#define HAVE_TERMIOS
#define HAVE_SIGSETMASK 1
#define USG
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+ addr = regno
--- gdb-4.17/gdb/gdbserver/utils.c.orig Fri Aug 8 21:49:48 1997
+++ gdb-4.17/gdb/gdbserver/utils.c Mon May 22 18:39:07 2000
@@ -32,7 +32,7 @@
char *string;
{
extern int sys_nerr;
- extern char *sys_errlist[];
+ extern const char * const sys_errlist[];
extern int errno;
char *err;
char *combined;
--- gdb-4.17/gdb/gdbserver/low-linux.c.orig Fri Oct 11 12:26:04 1996
+++ gdb-4.17/gdb/gdbserver/low-linux.c Mon May 22 18:44:37 2000
@@ -44,11 +44,17 @@
char buf2[MAX_REGISTER_RAW_SIZE];
/***************End MY defs*********************/
-#include <sys/ptrace.h>
+#include <asm/ptrace.h>
#if 0
+#include <sys/ptrace.h>
#include <machine/reg.h>
#endif
+/* [jsun] if NUM_FREGS is not defined, it probably should be 0 */
+#if !defined(NUM_FREGS)
+#define NUM_FREGS 0
+#endif
+
extern char **environ;
extern int errno;
extern int inferior_pid;
@@ -72,7 +78,7 @@
if (pid == 0)
{
- ptrace (PTRACE_TRACEME, 0, 0, 0);
+ ptrace (PTRACE_TRACEME, 0, 0, 0);
execv (program, allargs);
@@ -165,6 +171,7 @@
- KERNEL_U_ADDR
#endif
+#if defined(__i386)
/* this table must line up with REGISTER_NAMES in tm-i386v.h */
/* symbols like 'EAX' come from <sys/reg.h> */
static int regmap[] =
@@ -198,6 +205,8 @@
return (blockend + 4 * regmap[regnum]);
}
+#endif /* defined(__i386) */
+
CORE_ADDR
register_addr (regno, blockend)
@@ -215,7 +224,6 @@
}
/* Fetch one register. */
-
static void
fetch_register (regno)
int regno;
@@ -257,7 +265,7 @@
{
if (regno == -1 || regno == 0)
for (regno = 0; regno < NUM_REGS-NUM_FREGS; regno++)
- fetch_register (regno);
+ fetch_register (regno);
else
fetch_register (regno);
}
--- gdb-4.17/gdb/gdbserver/gdbreplay.c.orig Fri Oct 11 12:26:03 1996
+++ gdb-4.17/gdb/gdbserver/gdbreplay.c Mon May 22 18:39:07 2000
@@ -41,7 +41,7 @@
char *string;
{
extern int sys_nerr;
- extern char *sys_errlist[];
+ extern const char *const sys_errlist[];
extern int errno;
char *err;
char *combined;
