diff options
Diffstat (limited to 'payloads/libpayload/libc')
-rw-r--r-- | payloads/libpayload/libc/Makefile.inc | 2 | ||||
-rw-r--r-- | payloads/libpayload/libc/exec.c | 50 |
2 files changed, 51 insertions, 1 deletions
diff --git a/payloads/libpayload/libc/Makefile.inc b/payloads/libpayload/libc/Makefile.inc index 0e2fba8d66..9b7a4d6d25 100644 --- a/payloads/libpayload/libc/Makefile.inc +++ b/payloads/libpayload/libc/Makefile.inc @@ -29,4 +29,4 @@ TARGETS-y += libc/malloc.o libc/printf.o libc/console.o libc/string.o TARGETS-y += libc/memory.o libc/ctype.o libc/ipchecksum.o libc/lib.o -TARGETS-y += libc/rand.o libc/time.o libc/lar.o +TARGETS-y += libc/rand.o libc/time.o libc/lar.o libc/exec.o diff --git a/payloads/libpayload/libc/exec.c b/payloads/libpayload/libc/exec.c new file mode 100644 index 0000000000..888601dba8 --- /dev/null +++ b/payloads/libpayload/libc/exec.c @@ -0,0 +1,50 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <libpayload.h> + +#ifdef CONFIG_TARGET_I386 +extern void i386_do_exec(long addr, int argc, char **argv, int *ret); +#endif + +/** + * Execute code in memory + * + * @param ptr The entry point to jump to + * @return Return the return value from the entry point + */ +int exec(long addr, int argc, char **argv) +{ + int val = -1; + +#ifdef CONFIG_TARGET_I386 + i386_do_exec(addr, argc, argv, &val); +#endif + return val; +} |