---
common.h | 4 +---
sysdeps/linux-gnu/trace.c | 36 ++++++++++++++++++++++++++++++++++++
2 files changed, 37 insertions(+), 3 deletions(-)
diff --git a/common.h b/common.h
index 753d3dc..45d38fc 100644
--- a/common.h
+++ b/common.h
@@ -256,9 +256,7 @@ extern long gimme_arg(enum tof type, Process * proc, int
arg_num, arg_type_info
extern void save_register_args(enum tof type, Process * proc);
extern int umovestr(Process * proc, void * addr, int len, void * laddr);
extern int umovelong (Process * proc, void * addr, long * result,
arg_type_info * info);
+extern size_t umovebytes (Process *proc, void * addr, void * laddr, size_t
count);
extern int ffcheck(void * maddr);
extern void * sym2addr(Process *, struct library_symbol *);
-#if 0 /* not yet */
-extern int umoven(Process * proc, void * addr, int len, void * laddr);
-#endif
diff --git a/sysdeps/linux-gnu/trace.c b/sysdeps/linux-gnu/trace.c
index 75d0d55..9f61a03 100644
--- a/sysdeps/linux-gnu/trace.c
+++ b/sysdeps/linux-gnu/trace.c
@@ -171,6 +171,42 @@ continue_after_breakpoint(Process *proc, Breakpoint *sbp) {
}
}
+size_t
+umovebytes(Process *proc, void *addr, void *laddr, size_t len) {
+
+ union {
+ long a;
+ char c[sizeof(long)];
+ } a;
+ int i;
+ int offset = 0, started = 0;
+ size_t bytes_read = 0;
+
+ while (offset < len) {
+ a.a = ptrace(PTRACE_PEEKTEXT, proc->pid, addr + offset, 0);
+ if (errno) {
+ if (started && (errno == EPERM || errno == EIO))
+ return bytes_read;
+
+ if (addr != 0 && errno != EIO && errno != ESRCH)
+ return -1;
+ }
+ started = 1;
+
+ if (len - offset >= sizeof(long)) {
+ memcpy(laddr + offset, &a.c[0], sizeof(long));
+ bytes_read += sizeof(long);
+ }
+ else {
+ memcpy(laddr + offset, &a.c[0], len - offset);
+ bytes_read += (len - offset);
+ }
+ offset += sizeof(long);
+ }
+
+ return bytes_read;
+}
+
/* Read a series of bytes starting at the process's memory address
'addr' and continuing until a NUL ('\0') is seen or 'len' bytes
have been read.
--
1.7.0.4
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