diff options
| author | Yao Qi <yao@codesourcery.com> | 2012-03-03 04:04:35 +0000 |
|---|---|---|
| committer | Yao Qi <yao@codesourcery.com> | 2012-03-03 04:04:35 +0000 |
| commit | 8ffcbaaf40fd5eac75e04570c6b8989a70276578 (patch) | |
| tree | fda03da2196ed461094030c7fbe76aa482f71a8c /gdb/gdbserver | |
| parent | d1feda864e0b17c5757197ba1b421e25dac6afd1 (diff) | |
| download | gdb-8ffcbaaf40fd5eac75e04570c6b8989a70276578.zip gdb-8ffcbaaf40fd5eac75e04570c6b8989a70276578.tar.gz gdb-8ffcbaaf40fd5eac75e04570c6b8989a70276578.tar.bz2 | |
gdb:
* common/agent.c (struct ipa_sym_addresses) <addr_capability>: New.
(agent_capability_check, agent_capability_invalidate): New.
(symbol_list): New array element.
* common/agent.h (enum agent_capa): New.
* target.c (target_pre_inferior): Call agent_capability_invalidate.
gdb/gdbserver:
* tracepoint.c (gdb_agent_capability): New global.
(in_process_agent_loaded_ust): Renamed to
`in_process_agent_supports_ust'.
Update callers.
(in_process_agent_supports_ust): Call agent_capability_check.
(clear_installed_tracepoints): Assert that agent supports
agent.
Diffstat (limited to 'gdb/gdbserver')
| -rw-r--r-- | gdb/gdbserver/ChangeLog | 10 | ||||
| -rw-r--r-- | gdb/gdbserver/tracepoint.c | 29 |
2 files changed, 30 insertions, 9 deletions
diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog index b115b23..b96cd7b 100644 --- a/gdb/gdbserver/ChangeLog +++ b/gdb/gdbserver/ChangeLog @@ -1,5 +1,15 @@ 2012-03-03 Yao Qi <yao@codesourcery.com> + * tracepoint.c (gdb_agent_capability): New global. + (in_process_agent_loaded_ust): Renamed to + `in_process_agent_supports_ust'. + Update callers. + (in_process_agent_supports_ust): Call agent_capability_check. + (clear_installed_tracepoints): Assert that agent supports + agent. + +2012-03-03 Yao Qi <yao@codesourcery.com> + * linux-low.c (linux_supports_agent): New. (linux_target_ops): Initialize field `supports_agent' with linux_supports_agent. diff --git a/gdb/gdbserver/tracepoint.c b/gdb/gdbserver/tracepoint.c index f5f506a..bef28a3 100644 --- a/gdb/gdbserver/tracepoint.c +++ b/gdb/gdbserver/tracepoint.c @@ -232,10 +232,11 @@ in_process_agent_loaded (void) static int read_inferior_integer (CORE_ADDR symaddr, int *val); /* Returns true if both the in-process agent library and the static - tracepoints libraries are loaded in the inferior. */ + tracepoints libraries are loaded in the inferior, and agent has + capability on static tracepoints. */ static int -in_process_agent_loaded_ust (void) +in_process_agent_supports_ust (void) { int loaded = 0; @@ -245,13 +246,20 @@ in_process_agent_loaded_ust (void) return 0; } - if (read_inferior_integer (ipa_sym_addrs.addr_ust_loaded, &loaded)) + if (agent_capability_check (AGENT_CAPA_STATIC_TRACE)) { - warning ("Error reading ust_loaded in lib"); - return 0; - } + /* Agent understands static tracepoint, then check whether UST is in + fact loaded in the inferior. */ + if (read_inferior_integer (ipa_sym_addrs.addr_ust_loaded, &loaded)) + { + warning ("Error reading ust_loaded in lib"); + return 0; + } - return loaded; + return loaded; + } + else + return 0; } static void @@ -303,7 +311,7 @@ maybe_write_ipa_ust_not_loaded (char *buffer) write_e_ipa_not_loaded (buffer); return 1; } - else if (!in_process_agent_loaded_ust ()) + else if (!in_process_agent_supports_ust ()) { write_e_ust_not_loaded (buffer); return 1; @@ -2907,7 +2915,8 @@ install_tracepoint (struct tracepoint *tpoint, char *own_buf) write_e_ipa_not_loaded (own_buf); return; } - if (tpoint->type == static_tracepoint && !in_process_agent_loaded_ust ()) + if (tpoint->type == static_tracepoint + && !in_process_agent_supports_ust ()) { trace_debug ("Requested a static tracepoint, but static " "tracepoints are not supported."); @@ -6826,6 +6835,8 @@ gdb_agent_helper_thread (void *arg) #include <signal.h> #include <pthread.h> +IP_AGENT_EXPORT int gdb_agent_capability = AGENT_CAPA_STATIC_TRACE; + static void gdb_agent_init (void) { |