From de979965d3f5de7e4bf2354871fe85b3f77c720e Mon Sep 17 00:00:00 2001 From: Pedro Alves Date: Mon, 30 Nov 2015 16:05:17 +0000 Subject: New vCtrlC packet, non-stop mode equivalent of \003 There's currently no non-stop equivalent of the all-stop ^C (\003) "packet" that GDB sends when a ctrl-c is pressed while a foreground command is active. There's vCont;t, but that's defined to cause a "signal 0" stop. This fixes many tests that type ^C, when testing with extended-remote with "maint set target-non-stop on". E.g.: Continuing. talk to me baby PASS: gdb.base/interrupt.exp: process is alive a a PASS: gdb.base/interrupt.exp: child process ate our char ^C [Thread 22730.22730] #1 stopped. 0x0000003615ee6650 in __read_nocancel () at ../sysdeps/unix/syscall-template.S:81 81 T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS) (gdb) FAIL: gdb.base/interrupt.exp: send_gdb control C p func1 () gdb/ 2015-11-30 Pedro Alves * NEWS (New remote packets): Mention vCtrlC. * remote.c (PACKET_vCtrlC): New enum value. (async_remote_interrupt): Call target_interrupt instead of target_stop. (remote_interrupt_as): Remove 'ptid' parameter. (remote_interrupt_ns): New function. (remote_stop): Adjust. (remote_interrupt): If the target is in non-stop mode, try interrupting with vCtrlC. (initialize_remote): Install set remote ctrl-c packet. gdb/doc/ 2015-11-30 Pedro Alves * gdb.texinfo (Bootstrapping): Add "interrupting remote targets" anchor. (Packets): Document vCtrlC. gdb/gdbserver/ 2015-11-30 Pedro Alves * server.c (handle_v_requests): Handle vCtrlC. --- gdb/gdbserver/ChangeLog | 4 ++++ gdb/gdbserver/server.c | 7 +++++++ 2 files changed, 11 insertions(+) (limited to 'gdb/gdbserver') diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog index 28ff0e1..22d729f 100644 --- a/gdb/gdbserver/ChangeLog +++ b/gdb/gdbserver/ChangeLog @@ -1,5 +1,9 @@ 2015-11-30 Pedro Alves + * server.c (handle_v_requests): Handle vCtrlC. + +2015-11-30 Pedro Alves + * gdbthread.h (find_any_thread_of_pid): Declare. * inferiors.c (thread_of_pid, find_any_thread_of_pid): New functions. diff --git a/gdb/gdbserver/server.c b/gdb/gdbserver/server.c index 9d65f65..f6245d7 100644 --- a/gdb/gdbserver/server.c +++ b/gdb/gdbserver/server.c @@ -2861,6 +2861,13 @@ handle_v_requests (char *own_buf, int packet_len, int *new_packet_len) { if (!disable_packet_vCont) { + if (strcmp (own_buf, "vCtrlC") == 0) + { + (*the_target->request_interrupt) (); + write_ok (own_buf); + return; + } + if (startswith (own_buf, "vCont;")) { require_running (own_buf); -- cgit v1.1