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| author | Stan Shebs <shebs@codesourcery.com> | 2011-09-27 13:09:37 +0000 |
|---|---|---|
| committer | Stan Shebs <shebs@codesourcery.com> | 2011-09-27 13:09:37 +0000 |
| commit | 6710bf39b7c037de481a4b351fb69cec6b48b138 (patch) | |
| tree | 49c698293333f96658a7f2859051a433cdf21d7f /gdb/gdbarch.h | |
| parent | 21eb9156ec61765732abe5e2b8b0e717452bf7f1 (diff) | |
| download | gdb-6710bf39b7c037de481a4b351fb69cec6b48b138.zip gdb-6710bf39b7c037de481a4b351fb69cec6b48b138.tar.gz gdb-6710bf39b7c037de481a4b351fb69cec6b48b138.tar.bz2 | |
Add return address collection for tracepoints.
* tracepoint.c (encode_actions_1): Add case for $_ret.
(validate_actionline): Check for $_ret.
(trace_dump_actions): Ditto.
* ax-gdb.h (gen_trace_for_return_address): Declare.
* ax-gdb.c: Include arch-utils.h.
(gen_trace_for_return_address): New function.
(agent_command): Add return address special case.
* amd64-tdep.c: Include ax.h and ax-gdb.h.
(amd64_gen_return_address): New function.
(amd64_init_abi): Call it.
* i386-tdep.c: Include ax.h and ax-gdb.h.
(i386_gen_return_address): New function.
(i386_init_abi): Call it.
* arch-utils.h (default_gen_return_address): Declare.
* arch-utils.c (default_gen_return_address): New function.
* gdbarch.sh (gen_return_address): New method.
* gdbarch.h, gdbarch.c: Regenerate.
* gdb.texinfo (Tracepoint Action Lists): Document $_ret.
* gdb.trace/collection.exp: Test collection of $_ret.
Diffstat (limited to 'gdb/gdbarch.h')
| -rw-r--r-- | gdb/gdbarch.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index 7619581..0117322 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -54,6 +54,7 @@ struct displaced_step_closure; struct core_regset_section; struct syscall; struct agent_expr; +struct axs_value; /* The architecture associated with the connection to the target. @@ -1014,6 +1015,16 @@ extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const extern int gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch); extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system); +/* Generate bytecodes to collect the return address in a frame. + Since the bytecodes run on the target, possibly with GDB not even + connected, the full unwinding machinery is not available, and + typically this function will issue bytecodes for one or more likely + places that the return address may be found. */ + +typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); +extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); +extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address); + /* Definition for an unknown syscall, used basically in error-cases. */ #define UNKNOWN_SYSCALL (-1) |