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| author | Mike Frysinger <vapier@gentoo.org> | 2015-12-29 23:52:57 -0500 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2021-01-07 12:18:59 -0500 |
| commit | e904f56d02afd68ffd9333435fe8b026f1e14b5f (patch) | |
| tree | 21af166171abe5a1aa80ed2b2b37b8cbc9b64bcf /gdb | |
| parent | f478212851a25cd9849ad7f41112d08f91ab308b (diff) | |
| download | fsf-binutils-gdb-e904f56d02afd68ffd9333435fe8b026f1e14b5f.zip fsf-binutils-gdb-e904f56d02afd68ffd9333435fe8b026f1e14b5f.tar.gz fsf-binutils-gdb-e904f56d02afd68ffd9333435fe8b026f1e14b5f.tar.bz2 | |
gdb/sim: add support for exporting memory map
This allows gdb to quickly dump & process the memory map that the sim
knows about. This isn't fully accurate, but is largely limited by the
gdb memory map format. While the sim supports RWX bits, gdb can only
handle RW or RO regions.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/remote-sim.c | 18 |
2 files changed, 24 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f3357d5..02c561d 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2021-01-07 Mike Frysinger <vapier@gentoo.org> + + * remote-sim.c: Include memory-map.h. + (gdbsim_target): Define memory_map override. + (gdbsim_target::memory_map): Define. + 2021-01-07 Tom Tromey <tromey@adacore.com> * ada-lang.c (do_full_match): Conditionally skip "_ada_" prefix. diff --git a/gdb/remote-sim.c b/gdb/remote-sim.c index c4f3913..b21a4e8 100644 --- a/gdb/remote-sim.c +++ b/gdb/remote-sim.c @@ -42,6 +42,7 @@ #include "readline/readline.h" #include "gdbthread.h" #include "gdbsupport/byte-vector.h" +#include "memory-map.h" /* Prototypes */ @@ -164,6 +165,7 @@ struct gdbsim_target final bool has_all_memory () override; bool has_memory () override; + std::vector<mem_region> memory_map () override; private: sim_inferior_data *get_inferior_data_by_ptid (ptid_t ptid, @@ -1270,6 +1272,22 @@ gdbsim_target::has_memory () return true; } +/* Get memory map from the simulator. */ + +std::vector<mem_region> +gdbsim_target::memory_map () +{ + struct sim_inferior_data *sim_data + = get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NEEDED); + std::vector<mem_region> result; + gdb::unique_xmalloc_ptr<char> text (sim_memory_map (sim_data->gdbsim_desc)); + + if (text != nullptr) + result = parse_memory_map (text.get ()); + + return result; +} + void _initialize_remote_sim (); void _initialize_remote_sim () |