Commit 978efd6a authored by pbrook's avatar pbrook
Browse files

Respond to qOffsets gdb packet (for debugging bFLT binaries).


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1986 c046a42c-6fe2-441c-8c8c-71466251a162
parent e6de1bad
......@@ -17,6 +17,7 @@
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#ifdef CONFIG_USER_ONLY
#include <stdlib.h>
#include <stdio.h>
......@@ -24,6 +25,7 @@
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include "qemu.h"
#else
......@@ -680,6 +682,18 @@ static int gdb_handle_packet(GDBState *s, CPUState *env, const char *line_buf)
goto breakpoint_error;
}
break;
#ifdef CONFIG_USER_ONLY
case 'q':
if (strncmp(p, "Offsets", 7) == 0) {
TaskState *ts = env->opaque;
sprintf(buf, "Text=%x;Data=%x;Bss=%x", ts->info->code_offset,
ts->info->data_offset, ts->info->data_offset);
put_packet(s, buf);
break;
}
/* Fall through. */
#endif
default:
// unknown_command:
/* put empty packet */
......
......@@ -783,6 +783,9 @@ int load_flt_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
info->start_brk = libinfo[0].start_brk;
info->start_stack = sp;
info->entry = start_addr;
info->code_offset = info->start_code;
info->data_offset = info->start_data - libinfo[0].text_len;
DBG_FLT("start_thread(entry=0x%x, start_stack=0x%x)\n",
(int)info->entry, (int)info->start_stack);
......
......@@ -1541,6 +1541,7 @@ int main(int argc, char **argv)
memset(ts, 0, sizeof(TaskState));
env->opaque = ts;
ts->used = 1;
ts->info = info;
env->user_mode_only = 1;
#if defined(TARGET_I386)
......
......@@ -27,6 +27,8 @@ struct image_info {
unsigned long rss;
unsigned long start_stack;
unsigned long entry;
target_ulong code_offset;
target_ulong data_offset;
int personality;
};
......@@ -73,6 +75,7 @@ typedef struct TaskState {
uint32_t v86mask;
#endif
int used; /* non zero if used */
struct image_info *info;
uint8_t stack[0];
} __attribute__((aligned(16))) TaskState;
......
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