gdbstub: move into its own sub directory

This is in preparation of future refactoring as well as cleaning up
the source tree. Aside from the minor tweaks to meson and trace.h this
is pure code motion.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220929114231.583801-43-alex.bennee@linaro.org>

7 files changed, 36 insertions, 31 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 789172b2a8..e1530b51a2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2677,7 +2677,7 @@ GDB stub
 M: Alex Bennée <alex.bennee@linaro.org>
 R: Philippe Mathieu-Daudé <f4bug@amsat.org>
 S: Maintained
-F: gdbstub*
+F: gdbstub/*
 F: include/exec/gdbstub.h
 F: gdb-xml/
 F: tests/tcg/multiarch/gdbstub/
diff --git a/gdbstub.c b/gdbstub/gdbstub.c
index cf869b10e3..7d8fe475b3 100644
--- a/gdbstub.c
+++ b/gdbstub/gdbstub.c
@@ -29,7 +29,7 @@
 #include "qemu/ctype.h"
 #include "qemu/cutils.h"
 #include "qemu/module.h"
-#include "trace/trace-root.h"
+#include "trace.h"
 #include "exec/gdbstub.h"
 #ifdef CONFIG_USER_ONLY
 #include "qemu.h"
diff --git a/gdbstub/meson.build b/gdbstub/meson.build
new file mode 100644
index 0000000000..6d4ae2d03c
--- /dev/null
+++ b/gdbstub/meson.build
@@ -0,0 +1 @@
+specific_ss.add(files('gdbstub.c'))
diff --git a/gdbstub/trace-events b/gdbstub/trace-events
new file mode 100644
index 0000000000..03f0c303bf
--- /dev/null
+++ b/gdbstub/trace-events
@@ -0,0 +1,29 @@
+# See docs/devel/tracing.rst for syntax documentation.
+
+# gdbstub.c
+gdbstub_op_start(const char *device) "Starting gdbstub using device %s"
+gdbstub_op_exiting(uint8_t code) "notifying exit with code=0x%02x"
+gdbstub_op_continue(void) "Continuing all CPUs"
+gdbstub_op_continue_cpu(int cpu_index) "Continuing CPU %d"
+gdbstub_op_stepping(int cpu_index) "Stepping CPU %d"
+gdbstub_op_extra_info(const char *info) "Thread extra info: %s"
+gdbstub_hit_watchpoint(const char *type, int cpu_gdb_index, uint64_t vaddr) "Watchpoint hit, type=\"%s\" cpu=%d, vaddr=0x%" PRIx64 ""
+gdbstub_hit_internal_error(void) "RUN_STATE_INTERNAL_ERROR"
+gdbstub_hit_break(void) "RUN_STATE_DEBUG"
+gdbstub_hit_paused(void) "RUN_STATE_PAUSED"
+gdbstub_hit_shutdown(void) "RUN_STATE_SHUTDOWN"
+gdbstub_hit_io_error(void) "RUN_STATE_IO_ERROR"
+gdbstub_hit_watchdog(void) "RUN_STATE_WATCHDOG"
+gdbstub_hit_unknown(int state) "Unknown run state=0x%x"
+gdbstub_io_reply(const char *message) "Sent: %s"
+gdbstub_io_binaryreply(size_t ofs, const char *line) "0x%04zx: %s"
+gdbstub_io_command(const char *command) "Received: %s"
+gdbstub_io_got_ack(void) "Got ACK"
+gdbstub_io_got_unexpected(uint8_t ch) "Got 0x%02x when expecting ACK/NACK"
+gdbstub_err_got_nack(void) "Got NACK, retransmitting"
+gdbstub_err_garbage(uint8_t ch) "received garbage between packets: 0x%02x"
+gdbstub_err_overrun(void) "command buffer overrun, dropping command"
+gdbstub_err_invalid_repeat(uint8_t ch) "got invalid RLE count: 0x%02x"
+gdbstub_err_invalid_rle(void) "got invalid RLE sequence"
+gdbstub_err_checksum_invalid(uint8_t ch) "got invalid command checksum digit: 0x%02x"
+gdbstub_err_checksum_incorrect(uint8_t expected, uint8_t got) "got command packet with incorrect checksum, expected=0x%02x, received=0x%02x"
diff --git a/gdbstub/trace.h b/gdbstub/trace.h
new file mode 100644
index 0000000000..dee87b1238
--- /dev/null
+++ b/gdbstub/trace.h
@@ -0,0 +1 @@
+#include "trace/trace-gdbstub.h"
diff --git a/meson.build b/meson.build
index 536e819c60..b686dfef75 100644
--- a/meson.build
+++ b/meson.build
@@ -2863,6 +2863,7 @@ trace_events_subdirs = [
   'qom',
   'monitor',
   'util',
+  'gdbstub',
 ]
 if have_linux_user
   trace_events_subdirs += [ 'linux-user' ]
@@ -2986,6 +2987,7 @@ subdir('authz')
 subdir('crypto')
 subdir('ui')
 subdir('hw')
+subdir('gdbstub')
 
 
 if enable_modules
@@ -3063,7 +3065,7 @@ common_ss.add(files('cpus-common.c'))
 subdir('softmmu')
 
 common_ss.add(capstone)
-specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
+specific_ss.add(files('cpu.c', 'disas.c'), capstone)
 
 # Work around a gcc bug/misfeature wherein constant propagation looks
 # through an alias:
diff --git a/trace-events b/trace-events
index bc71006675..035f3d570d 100644
--- a/trace-events
+++ b/trace-events
@@ -46,34 +46,6 @@ ram_block_discard_range(const char *rbname, void *hva, size_t length, bool need_
 memory_notdirty_write_access(uint64_t vaddr, uint64_t ram_addr, unsigned size) "0x%" PRIx64 " ram_addr 0x%" PRIx64 " size %u"
 memory_notdirty_set_dirty(uint64_t vaddr) "0x%" PRIx64
 
-# gdbstub.c
-gdbstub_op_start(const char *device) "Starting gdbstub using device %s"
-gdbstub_op_exiting(uint8_t code) "notifying exit with code=0x%02x"
-gdbstub_op_continue(void) "Continuing all CPUs"
-gdbstub_op_continue_cpu(int cpu_index) "Continuing CPU %d"
-gdbstub_op_stepping(int cpu_index) "Stepping CPU %d"
-gdbstub_op_extra_info(const char *info) "Thread extra info: %s"
-gdbstub_hit_watchpoint(const char *type, int cpu_gdb_index, uint64_t vaddr) "Watchpoint hit, type=\"%s\" cpu=%d, vaddr=0x%" PRIx64 ""
-gdbstub_hit_internal_error(void) "RUN_STATE_INTERNAL_ERROR"
-gdbstub_hit_break(void) "RUN_STATE_DEBUG"
-gdbstub_hit_paused(void) "RUN_STATE_PAUSED"
-gdbstub_hit_shutdown(void) "RUN_STATE_SHUTDOWN"
-gdbstub_hit_io_error(void) "RUN_STATE_IO_ERROR"
-gdbstub_hit_watchdog(void) "RUN_STATE_WATCHDOG"
-gdbstub_hit_unknown(int state) "Unknown run state=0x%x"
-gdbstub_io_reply(const char *message) "Sent: %s"
-gdbstub_io_binaryreply(size_t ofs, const char *line) "0x%04zx: %s"
-gdbstub_io_command(const char *command) "Received: %s"
-gdbstub_io_got_ack(void) "Got ACK"
-gdbstub_io_got_unexpected(uint8_t ch) "Got 0x%02x when expecting ACK/NACK"
-gdbstub_err_got_nack(void) "Got NACK, retransmitting"
-gdbstub_err_garbage(uint8_t ch) "received garbage between packets: 0x%02x"
-gdbstub_err_overrun(void) "command buffer overrun, dropping command"
-gdbstub_err_invalid_repeat(uint8_t ch) "got invalid RLE count: 0x%02x"
-gdbstub_err_invalid_rle(void) "got invalid RLE sequence"
-gdbstub_err_checksum_invalid(uint8_t ch) "got invalid command checksum digit: 0x%02x"
-gdbstub_err_checksum_incorrect(uint8_t expected, uint8_t got) "got command packet with incorrect checksum, expected=0x%02x, received=0x%02x"
-
 # job.c
 job_state_transition(void *job,  int ret, const char *legal, const char *s0, const char *s1) "job %p (ret: %d) attempting %s transition (%s-->%s)"
 job_apply_verb(void *job, const char *state, const char *verb, const char *legal) "job %p in state %s; applying verb %s (%s)"