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Fix to 'gdb detach' stub

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With this patch, 'gdb detach' correctly resumes the inferior execution
after detaching the debugger.
The bug was caused by qemu asking gdb to execute a syscall (isatty)
after the detach, and then waiting (forever) for the reply. I fixed this
by properly setting gdb_syscall_mode appropriately in the 'detach'
packet handling, so subsequent syscalls are solved by qemu rather than gdb.

Signed-off-by: Daniel Gutson <dgutson@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Daniel Gutson 2010-02-26 14:13:50 -03:00 committed by Aurelien Jarno
parent aa37520618
commit 7ea06da32b
1 changed files with 1 additions and 0 deletions
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gdbstub.c
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@ -1868,6 +1868,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
case 'D': case 'D':
/* Detach packet */ /* Detach packet */
gdb_breakpoint_remove_all(); gdb_breakpoint_remove_all();
gdb_syscall_mode = GDB_SYS_DISABLED;
gdb_continue(s); gdb_continue(s);
put_packet(s, "OK"); put_packet(s, "OK");
break; break;