diff options
Diffstat (limited to 'gdb/gdbserver/tracepoint.c')
| -rw-r--r-- | gdb/gdbserver/tracepoint.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/gdb/gdbserver/tracepoint.c b/gdb/gdbserver/tracepoint.c index e7c18fd..dbd0b46 100644 --- a/gdb/gdbserver/tracepoint.c +++ b/gdb/gdbserver/tracepoint.c @@ -134,6 +134,7 @@ trace_vdebug (const char *fmt, ...) # define ust_loaded IPA_SYM_EXPORTED_NAME (ust_loaded) # define helper_thread_id IPA_SYM_EXPORTED_NAME (helper_thread_id) # define cmd_buf IPA_SYM_EXPORTED_NAME (cmd_buf) +# define ipa_tdesc_idx IPA_SYM_EXPORTED_NAME (ipa_tdesc_idx) #endif #ifndef IN_PROCESS_AGENT @@ -171,6 +172,7 @@ struct ipa_sym_addresses CORE_ADDR addr_get_trace_state_variable_value; CORE_ADDR addr_set_trace_state_variable_value; CORE_ADDR addr_ust_loaded; + CORE_ADDR addr_ipa_tdesc_idx; }; static struct @@ -207,6 +209,7 @@ static struct IPA_SYM(get_trace_state_variable_value), IPA_SYM(set_trace_state_variable_value), IPA_SYM(ust_loaded), + IPA_SYM(ipa_tdesc_idx), }; static struct ipa_sym_addresses ipa_sym_addrs; @@ -3211,6 +3214,11 @@ cmd_qtstart (char *packet) *packet = '\0'; + /* Tell IPA about the correct tdesc. */ + if (write_inferior_integer (ipa_sym_addrs.addr_ipa_tdesc_idx, + target_get_ipa_tdesc_idx ())) + error ("Error setting ipa_tdesc_idx variable in lib"); + /* Start out empty. */ if (agent_loaded_p ()) write_inferior_data_pointer (ipa_sym_addrs.addr_tracepoints, 0); @@ -4694,19 +4702,20 @@ collect_data_at_step (struct tracepoint_hit_ctx *ctx, #endif #ifdef IN_PROCESS_AGENT -/* The target description used by the IPA. Given that the IPA library - is built for a specific architecture that is loaded into the - inferior, there only needs to be one such description per - build. */ -const struct target_desc *ipa_tdesc; +/* The target description index for IPA. Passed from gdbserver, used + to select ipa_tdesc. */ +EXTERN_C_PUSH +IP_AGENT_EXPORT_VAR int ipa_tdesc_idx; +EXTERN_C_POP #endif static struct regcache * get_context_regcache (struct tracepoint_hit_ctx *ctx) { struct regcache *regcache = NULL; - #ifdef IN_PROCESS_AGENT + const struct target_desc *ipa_tdesc = get_ipa_tdesc (ipa_tdesc_idx); + if (ctx->type == fast_tracepoint) { struct fast_tracepoint_ctx *fctx = (struct fast_tracepoint_ctx *) ctx; @@ -5779,11 +5788,13 @@ IP_AGENT_EXPORT_FUNC void gdb_collect (struct tracepoint *tpoint, unsigned char *regs) { struct fast_tracepoint_ctx ctx; + const struct target_desc *ipa_tdesc; /* Don't do anything until the trace run is completely set up. */ if (!tracing) return; + ipa_tdesc = get_ipa_tdesc (ipa_tdesc_idx); ctx.base.type = fast_tracepoint; ctx.regs = regs; ctx.regcache_initted = 0; @@ -6629,6 +6640,7 @@ gdb_probe (const struct marker *mdata, void *probe_private, { struct tracepoint *tpoint; struct static_tracepoint_ctx ctx; + const struct target_desc *ipa_tdesc; /* Don't do anything until the trace run is completely set up. */ if (!tracing) @@ -6637,6 +6649,7 @@ gdb_probe (const struct marker *mdata, void *probe_private, return; } + ipa_tdesc = get_ipa_tdesc (ipa_tdesc_idx); ctx.base.type = static_tracepoint; ctx.regcache_initted = 0; ctx.regs = regs; |