changeset 762d3c8e55f4 in /z/repo/gem5
details: http://repo.gem5.org/gem5?cmd=changeset;node=762d3c8e55f4
description:
sim: fix out-of-bounds error in syscall_desc
diffstat:
src/sim/syscall_desc.cc | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diffs (17 lines):
diff -r f438fcbab00e -r 762d3c8e55f4 src/sim/syscall_desc.cc
--- a/src/sim/syscall_desc.cc Wed Feb 15 14:59:06 2017 -0600
+++ b/src/sim/syscall_desc.cc Fri Feb 17 12:01:50 2017 -0500
@@ -49,10 +49,11 @@
/**
* Step through the first six parameters for the system call and
* retrieve their values. Note that index is incremented as a
- * side-effect of the calling method.
+ * side-effect of the getSyscallArg method which is why the LHS
+ * needs the "-1".
*/
for (int index = 0; index < 6; )
- arg[index] = process->getSyscallArg(tc, index);
+ arg[index - 1] = process->getSyscallArg(tc, index);
/**
* Linux supports up to six system call arguments through registers
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