diff options
Diffstat (limited to 'gdb/frame.c')
| -rw-r--r-- | gdb/frame.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gdb/frame.c b/gdb/frame.c index f1b28f7..fcd8fdd 100644 --- a/gdb/frame.c +++ b/gdb/frame.c @@ -742,6 +742,84 @@ frame_register_read (struct frame_info *frame, int regnum, return !optimized; } +int +get_frame_register_bytes (struct frame_info *frame, int regnum, + CORE_ADDR offset, int len, gdb_byte *myaddr) +{ + struct gdbarch *gdbarch = get_frame_arch (frame); + + /* Skip registers wholly inside of OFFSET. */ + while (offset >= register_size (gdbarch, regnum)) + { + offset -= register_size (gdbarch, regnum); + regnum++; + } + + /* Copy the data. */ + while (len > 0) + { + int curr_len = register_size (gdbarch, regnum) - offset; + if (curr_len > len) + curr_len = len; + + if (curr_len == register_size (gdbarch, regnum)) + { + if (!frame_register_read (frame, regnum, myaddr)) + return 0; + } + else + { + gdb_byte buf[MAX_REGISTER_SIZE]; + if (!frame_register_read (frame, regnum, buf)) + return 0; + memcpy (myaddr, buf + offset, curr_len); + } + + len -= curr_len; + offset = 0; + regnum++; + } + + return 1; +} + +void +put_frame_register_bytes (struct frame_info *frame, int regnum, + CORE_ADDR offset, int len, const gdb_byte *myaddr) +{ + struct gdbarch *gdbarch = get_frame_arch (frame); + + /* Skip registers wholly inside of OFFSET. */ + while (offset >= register_size (gdbarch, regnum)) + { + offset -= register_size (gdbarch, regnum); + regnum++; + } + + /* Copy the data. */ + while (len > 0) + { + int curr_len = register_size (gdbarch, regnum) - offset; + if (curr_len > len) + curr_len = len; + + if (curr_len == register_size (gdbarch, regnum)) + { + put_frame_register (frame, regnum, myaddr); + } + else + { + gdb_byte buf[MAX_REGISTER_SIZE]; + frame_register_read (frame, regnum, buf); + memcpy (buf + offset, myaddr, curr_len); + put_frame_register (frame, regnum, buf); + } + + len -= curr_len; + offset = 0; + regnum++; + } +} /* Map between a frame register number and its name. A frame register space is a superset of the cooked register space --- it also |