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| author | Tom Tromey <tromey@adacore.com> | 2020-06-15 06:28:09 -0600 |
|---|---|---|
| committer | Tom Tromey <tromey@adacore.com> | 2020-06-15 06:28:10 -0600 |
| commit | 669203174311c5be76744a879563c697cd479853 (patch) | |
| tree | 77b21ddbec4501e2cf04dafd9987a347d66e8cc2 /gdb/target.h | |
| parent | a5d871ddaf2aa8462922ed25b0c0dc7f02128cb9 (diff) | |
| download | gdb-669203174311c5be76744a879563c697cd479853.zip gdb-669203174311c5be76744a879563c697cd479853.tar.gz gdb-669203174311c5be76744a879563c697cd479853.tar.bz2 | |
Change target_read_string API
This simplifies the target_read_string API a bit.
Note that some code was using safe_strerror on the error codes
returned by target_read_string. It seems to me that this is incorrect
(if it was ever correct, it must have been quite a long time ago).
gdb/ChangeLog
2020-06-15 Tom Tromey <tromey@adacore.com>
* windows-nat.c (windows_nat::handle_output_debug_string):
Update.
(windows_nat::handle_ms_vc_exception): Update.
* target.h (target_read_string): Change API.
* target.c (target_read_string): Change API.
* solib-svr4.c (open_symbol_file_object, svr4_read_so_list):
Update.
* solib-frv.c (frv_current_sos): Update.
* solib-dsbt.c (dsbt_current_sos): Update.
* solib-darwin.c (darwin_current_sos): Update.
* linux-thread-db.c (inferior_has_bug): Update.
* expprint.c (print_subexp_standard): Update.
* ada-lang.c (ada_main_name, ada_tag_name_from_tsd)
(ada_exception_message_1): Update.
Diffstat (limited to 'gdb/target.h')
| -rw-r--r-- | gdb/target.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gdb/target.h b/gdb/target.h index 37bfb29..4e8d4cc 100644 --- a/gdb/target.h +++ b/gdb/target.h @@ -1505,8 +1505,13 @@ int target_supports_disable_randomization (void); #define target_can_run_breakpoint_commands() \ (current_top_target ()->can_run_breakpoint_commands) () -extern int target_read_string (CORE_ADDR, gdb::unique_xmalloc_ptr<char> *, - int, int *); +/* Read a string from target memory at address MEMADDR. The string + will be at most LEN bytes long (note that excess bytes may be read + in some cases -- but these will not be returned). Returns nullptr + on error. */ + +extern gdb::unique_xmalloc_ptr<char> target_read_string + (CORE_ADDR memaddr, int len, int *bytes_read = nullptr); /* For target_read_memory see target/target.h. */ |