diff options
Diffstat (limited to 'gdb/target.c')
| -rw-r--r-- | gdb/target.c | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/gdb/target.c b/gdb/target.c index 6c72e70..85b5037 100644 --- a/gdb/target.c +++ b/gdb/target.c @@ -1791,16 +1791,30 @@ target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) return TARGET_XFER_E_IO; } +/* Like target_read_memory, but specify explicitly that this is a read + from the target's raw memory. That is, this read bypasses the + dcache, breakpoint shadowing, etc. */ + +int +target_read_raw_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) +{ + /* See comment in target_read_memory about why the request starts at + current_target.beneath. */ + if (target_read (current_target.beneath, TARGET_OBJECT_RAW_MEMORY, NULL, + myaddr, memaddr, len) == len) + return 0; + else + return TARGET_XFER_E_IO; +} + /* Like target_read_memory, but specify explicitly that this is a read from the target's stack. This may trigger different cache behavior. */ int target_read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) { - /* Dispatch to the topmost target, not the flattened current_target. - Memory accesses check target->to_has_(all_)memory, and the - flattened target doesn't inherit those. */ - + /* See comment in target_read_memory about why the request starts at + current_target.beneath. */ if (target_read (current_target.beneath, TARGET_OBJECT_STACK_MEMORY, NULL, myaddr, memaddr, len) == len) return 0; @@ -1814,6 +1828,8 @@ target_read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) int target_read_code (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) { + /* See comment in target_read_memory about why the request starts at + current_target.beneath. */ if (target_read (current_target.beneath, TARGET_OBJECT_CODE_MEMORY, NULL, myaddr, memaddr, len) == len) return 0; @@ -1830,9 +1846,8 @@ target_read_code (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) int target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, ssize_t len) { - /* Dispatch to the topmost target, not the flattened current_target. - Memory accesses check target->to_has_(all_)memory, and the - flattened target doesn't inherit those. */ + /* See comment in target_read_memory about why the request starts at + current_target.beneath. */ if (target_write (current_target.beneath, TARGET_OBJECT_MEMORY, NULL, myaddr, memaddr, len) == len) return 0; @@ -1849,9 +1864,8 @@ target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, ssize_t len) int target_write_raw_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, ssize_t len) { - /* Dispatch to the topmost target, not the flattened current_target. - Memory accesses check target->to_has_(all_)memory, and the - flattened target doesn't inherit those. */ + /* See comment in target_read_memory about why the request starts at + current_target.beneath. */ if (target_write (current_target.beneath, TARGET_OBJECT_RAW_MEMORY, NULL, myaddr, memaddr, len) == len) return 0; |