diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-9.2/CVE-2019-15847_2.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-9.2/CVE-2019-15847_2.patch | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-9.2/CVE-2019-15847_2.patch b/meta/recipes-devtools/gcc/gcc-9.2/CVE-2019-15847_2.patch new file mode 100644 index 0000000000..de7a83c23f --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-9.2/CVE-2019-15847_2.patch @@ -0,0 +1,77 @@ +From 87bc784a7ca3a43182f7272241597a50d7491342 Mon Sep 17 00:00:00 2001 +From: segher <segher@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Fri, 30 Aug 2019 13:51:26 +0000 +Subject: [PATCH] Backport from trunk 2019-08-22 Segher Boessenkool + <segher@kernel.crashing.org> + + PR target/91481 + * config/rs6000/rs6000.md (unspec): Delete UNSPEC_DARN, UNSPEC_DARN_32, + and UNSPEC_DARN_RAW. + (unspecv): New enumerator values UNSPECV_DARN, UNSPECV_DARN_32, and + UNSPECV_DARN_RAW. + (darn_32): Use an unspec_volatile, and UNSPECV_DARN_32. + (darn_raw): Use an unspec_volatile, and UNSPECV_DARN_RAW. + (darn): Use an unspec_volatile, and UNSPECV_DARN. + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@275175 138bc75d-0d04-0410-961f-82ee72b054a4 + +Upstream-Status: Backport +CVE: CVE-2019-15847 p2 +Affects <= 9.2.0 +Dropped Changelog changes +Signed-off-by: Armin Kuster <akuster@mvista.com> + +--- + gcc/config/rs6000/rs6000.md | 12 ++++++------ + 2 files changed, 20 insertions(+), 6 deletions(-) + +Index: gcc-9.2.0/gcc/config/rs6000/rs6000.md +=================================================================== +--- gcc-9.2.0.orig/gcc/config/rs6000/rs6000.md ++++ gcc-9.2.0/gcc/config/rs6000/rs6000.md +@@ -137,9 +137,6 @@ + UNSPEC_LSQ + UNSPEC_FUSION_GPR + UNSPEC_STACK_CHECK +- UNSPEC_DARN +- UNSPEC_DARN_32 +- UNSPEC_DARN_RAW + UNSPEC_CMPRB + UNSPEC_CMPRB2 + UNSPEC_CMPEQB +@@ -170,6 +167,9 @@ + UNSPECV_EH_RR ; eh_reg_restore + UNSPECV_ISYNC ; isync instruction + UNSPECV_MFTB ; move from time base ++ UNSPECV_DARN ; darn 1 (deliver a random number) ++ UNSPECV_DARN_32 ; darn 2 ++ UNSPECV_DARN_RAW ; darn 0 + UNSPECV_NLGR ; non-local goto receiver + UNSPECV_MFFS ; Move from FPSCR + UNSPECV_MFFSL ; Move from FPSCR light instruction version +@@ -14333,21 +14333,21 @@ + + (define_insn "darn_32" + [(set (match_operand:SI 0 "register_operand" "=r") +- (unspec:SI [(const_int 0)] UNSPEC_DARN_32))] ++ (unspec_volatile:SI [(const_int 0)] UNSPECV_DARN_32))] + "TARGET_P9_MISC" + "darn %0,0" + [(set_attr "type" "integer")]) + + (define_insn "darn_raw" + [(set (match_operand:DI 0 "register_operand" "=r") +- (unspec:DI [(const_int 0)] UNSPEC_DARN_RAW))] ++ (unspec_volatile:DI [(const_int 0)] UNSPECV_DARN_RAW))] + "TARGET_P9_MISC && TARGET_64BIT" + "darn %0,2" + [(set_attr "type" "integer")]) + + (define_insn "darn" + [(set (match_operand:DI 0 "register_operand" "=r") +- (unspec:DI [(const_int 0)] UNSPEC_DARN))] ++ (unspec_volatile:DI [(const_int 0)] UNSPECV_DARN))] + "TARGET_P9_MISC && TARGET_64BIT" + "darn %0,1" + [(set_attr "type" "integer")]) |