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Fix io.ptrace.write on ARM

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This commit is contained in:
pancake 2016-06-14 09:48:36 +02:00
parent 1bb7efd76c
commit ecef139c99
1 changed files with 16 additions and 9 deletions
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25
libr/io/p/io_ptrace.c
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@ -1,4 +1,4 @@
/* radare - LGPL - Copyright 2008-2015 - pancake */ /* radare - LGPL - Copyright 2008-2016 - pancake */
#include <r_userconf.h> #include <r_userconf.h>
#include <r_io.h> #include <r_io.h>
@ -104,24 +104,31 @@ static int ptrace_write_at(int pid, const ut8 *pbuf, int sz, ut64 addr) {
ptrace_word *buf = (ptrace_word*)pbuf; ptrace_word *buf = (ptrace_word*)pbuf;
ut32 words = sz / sizeof (ptrace_word); ut32 words = sz / sizeof (ptrace_word);
ut32 last = sz % sizeof (ptrace_word); ut32 last = sz % sizeof (ptrace_word);
ut64 x, *at = (ut64 *)(size_t)addr; ptrace_word x, *at = (ptrace_word *)(size_t)addr;
ptrace_word lr; ptrace_word lr;
if (sz<1 || addr==UT64_MAX) if (sz < 1 || addr == UT64_MAX) {
return -1; return -1;
for (x=0; x<words; x++) }
debug_write_raw (pid, (ut32*)(at++), buf[x]); for (x = 0; x < words; x++) {
int rc = debug_write_raw (pid, at++, buf[x]); //((ut32*)(at)), buf[x]);
if (rc) {
return -1;
}
}
if (last) { if (last) {
lr = debug_read_raw (pid, (void*)at); lr = debug_read_raw (pid, (void*)at);
memcpy (&lr, buf+x, last); memcpy (&lr, buf + x, last);
if (debug_write_raw (pid, (void*)at, lr)) if (debug_write_raw (pid, (void*)at, lr)) {
return sz-last; return sz - last;
}
} }
return sz; return sz;
} }
static int __write(RIO *io, RIODesc *fd, const ut8 *buf, int len) { static int __write(RIO *io, RIODesc *fd, const ut8 *buf, int len) {
if (!fd || !fd->data) if (!fd || !fd->data) {
return -1; return -1;
}
return ptrace_write_at (RIOPTRACE_PID (fd), buf, len, io->off); return ptrace_write_at (RIOPTRACE_PID (fd), buf, len, io->off);
} }