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| author | Doug Evans <dje@google.com> | 2009-11-13 23:26:19 +0000 |
|---|---|---|
| committer | Doug Evans <dje@google.com> | 2009-11-13 23:26:19 +0000 |
| commit | 7f79c47ecf671587d1ef45a7b164b970607c5faf (patch) | |
| tree | 2a7bcafdd3ebc4d96a0507c909ea90ad5a9a85c9 /gdb/target.c | |
| parent | 2a70cca486d4f175b25db1d484c7c560d14b8216 (diff) | |
| download | gdb-7f79c47ecf671587d1ef45a7b164b970607c5faf.zip gdb-7f79c47ecf671587d1ef45a7b164b970607c5faf.tar.gz gdb-7f79c47ecf671587d1ef45a7b164b970607c5faf.tar.bz2 | |
* dcache.c (dcache_hit, dcache_read_line): Tweak comments.
(dcache_peek_byte, dcache_init, dcache_xfer_memory): Ditto.
* target.c (memory_xfer_partial): Tweak comments.
(target_xfer_partial, target_write_memory): Add comment.
(target_read_partial): Remove note from 2003-10-21.
(target_read, target_write): Add comments.
Diffstat (limited to 'gdb/target.c')
| -rw-r--r-- | gdb/target.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/gdb/target.c b/gdb/target.c index fc24730..a5bf53f 100644 --- a/gdb/target.c +++ b/gdb/target.c @@ -1181,8 +1181,8 @@ target_section_by_addr (struct target_ops *target, CORE_ADDR addr) return NULL; } -/* Perform a partial memory transfer. The arguments and return - value are just as for target_xfer_partial. */ +/* Perform a partial memory transfer. + For docs see target.h, to_xfer_partial. */ static LONGEST memory_xfer_partial (struct target_ops *ops, enum target_object object, @@ -1360,6 +1360,8 @@ make_show_memory_breakpoints_cleanup (int show) (void *) (uintptr_t) current); } +/* For docs see target.h, to_xfer_partial. */ + static LONGEST target_xfer_partial (struct target_ops *ops, enum target_object object, const char *annex, @@ -1474,6 +1476,11 @@ target_read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, int len) return EIO; } +/* Write LEN bytes from MYADDR to target memory at address MEMADDR. + Returns either 0 for success or an errno value if any error occurs. + If an error occurs, no guarantee is made about how much data got written. + Callers that can deal with partial writes should call target_write. */ + int target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len) { @@ -1637,11 +1644,7 @@ current_xfer_partial (struct target_ops *ops, enum target_object object, return -1; } -/* Target vector read/write partial wrapper functions. - - NOTE: cagney/2003-10-21: I wonder if having "to_xfer_partial - (inbuf, outbuf)", instead of separate read/write methods, make life - easier. */ +/* Target vector read/write partial wrapper functions. */ static LONGEST target_read_partial (struct target_ops *ops, @@ -1662,6 +1665,9 @@ target_write_partial (struct target_ops *ops, } /* Wrappers to perform the full transfer. */ + +/* For docs on target_read see target.h. */ + LONGEST target_read (struct target_ops *ops, enum target_object object, @@ -1750,7 +1756,6 @@ target_read_until_error (struct target_ops *ops, return len; } - /* An alternative to target_write with progress callbacks. */ LONGEST @@ -1786,6 +1791,8 @@ target_write_with_progress (struct target_ops *ops, return len; } +/* For docs on target_write see target.h. */ + LONGEST target_write (struct target_ops *ops, enum target_object object, |