diff options
Diffstat (limited to 'gdb/gdbserver/regcache.c')
| -rw-r--r-- | gdb/gdbserver/regcache.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/gdb/gdbserver/regcache.c b/gdb/gdbserver/regcache.c index 2af8e241d98..f875b1091d7 100644 --- a/gdb/gdbserver/regcache.c +++ b/gdb/gdbserver/regcache.c @@ -21,6 +21,9 @@ #include "gdbthread.h" #include "tdesc.h" #include "rsp-low.h" +#include "bfd-types.h" +#include "gdb-byteswap.h" + #ifndef IN_PROCESS_AGENT struct regcache * @@ -424,14 +427,25 @@ collect_register (struct regcache *regcache, int n, void *buf) register_size (regcache->tdesc, n)); } +#ifndef IN_PROCESS_AGENT + +/* Return host endianness as an enum bfd_endian. */ + +static enum bfd_endian +host_bfd_endian (void) +{ + return (__BYTE_ORDER == __LITTLE_ENDIAN + ? BFD_ENDIAN_LITTLE + : BFD_ENDIAN_BIG); +} + enum register_status regcache_raw_read_unsigned (struct regcache *regcache, int regnum, ULONGEST *val) { int size; - - gdb_assert (regcache != NULL); - gdb_assert (regnum >= 0 && regnum < regcache->tdesc->num_registers); + gdb_byte *buf; + enum bfd_endian byteorder; size = register_size (regcache->tdesc, regnum); @@ -440,14 +454,17 @@ regcache_raw_read_unsigned (struct regcache *regcache, int regnum, "%d bytes."), (int) sizeof (ULONGEST)); - *val = 0; - collect_register (regcache, regnum, val); + buf = (gdb_byte *) alloca (size); + collect_register (regcache, regnum, buf); + + /* Assume the inferior's byte order is the same as gdbserver's (the + host). */ + byteorder = host_bfd_endian (); + *val = extract_unsigned_integer (buf, size, byteorder); return REG_VALID; } -#ifndef IN_PROCESS_AGENT - void collect_register_as_string (struct regcache *regcache, int n, char *buf) { |