Re: MIPS ASAN status? (and "volunteering")

2018-03-10 Thread Jean Lee
> See above regarding looking at patches, but I guess you mean > that the patch is trivial, so then I presume it was more or less > the same as this, which is basically a copy-paste from looking > at rs6000 and xtensa. I checked a typical /proc/self/maps and > guess that 1<<29 probably fits for MI

Re: MIPS ASAN status? (and "volunteering")

2018-03-05 Thread Jean Lee
2018-03-03 21:14 GMT+08:00 Hans-Peter Nilsson : > > From: Jean Lee > > Date: Fri, 2 Mar 2018 13:29:39 +0800 > > > 2018-03-02 7:53 GMT+08:00 Hans-Peter Nilsson < > hans-peter.nils...@axis.com>: > > > > > There's no address-sanitizer support f

Re: MIPS ASAN status? (and "volunteering")

2018-03-01 Thread Jean Lee
2018-03-02 7:53 GMT+08:00 Hans-Peter Nilsson : > There's no address-sanitizer support for MIPS (in particular for > O32) on trunk, at least not when building for > mipsisa32r2el-linux-gnu and libsanitizer/configure.tgt seems > to support that observation. There's a set of patches "floating > arou

Re: gcc addresssanitizer in MIPS

2013-10-30 Thread Jean Lee
I have tried Jakub patch listed in http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58543. It works for my env. Thanks. 2013/10/29 Jean Lee : > Thanks. I will try Jakub patch listed in > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58543. > > 2013/10/29 Yury Gribov : >>> &qu

Re: gcc addresssanitizer in MIPS

2013-10-29 Thread Jean Lee
Thanks. I will try Jakub patch listed in http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58543. 2013/10/29 Yury Gribov : >> "copy_to_mode_reg (Pmode, XEXP (shadow_mem, 0))" would be more direct. >> But it looks good to me with that change FWIW. > > Thanks, Richard. Note that Jakub has proposed an opti

Re: gcc addresssanitizer in MIPS

2013-10-29 Thread Jean Lee
Hi Yury, try to use the patch for asan.c to see if it solve your problem. pinskia, thank you. I compiled asan with libssp which mean the stack grows down. I disassembled the compiled code and debuged the bin time to time before I thought it was a bug.early this month. I tried GCC 4.8.1 and GCC 4.9

Re: gcc addresssanitizer in MIPS

2013-10-28 Thread Jean Lee
anks, Jean Lee 2013/10/28 : > >> On Oct 28, 2013, at 1:36 AM, Jean Lee wrote: >> >> My port of addresssanitizer is based on GCC 4.8.1. >> I modify "asan_emit_stack_protection" function in gcc/asan.c for the >> following reason: >> Sometimes, the

gcc addresssanitizer in MIPS

2013-10-28 Thread Jean Lee
My port of addresssanitizer is based on GCC 4.8.1. I modify "asan_emit_stack_protection" function in gcc/asan.c for the following reason: Sometimes, the stack variable size > 32 Bytes, and after asan generates code to poison the shadow buffer, it does clear some shadow buffer but not all before fu