diff options
author | ToshikazuOhiwa <toshikazu_ohiwa@mail.toyota.co.jp> | 2020-03-30 09:24:26 +0900 |
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committer | ToshikazuOhiwa <toshikazu_ohiwa@mail.toyota.co.jp> | 2020-03-30 09:24:26 +0900 |
commit | 5b80bfd7bffd4c20d80b7c70a7130529e9a755dd (patch) | |
tree | b4bb18dcd1487dbf1ea8127e5671b7bb2eded033 /bsp/meta-synopsys/recipes-devtools/gcc/gcc-arc/0038-fix-segmentation-fault-in-precompiled-header-generat.patch | |
parent | 706ad73eb02caf8532deaf5d38995bd258725cb8 (diff) |
agl-basesystem
Diffstat (limited to 'bsp/meta-synopsys/recipes-devtools/gcc/gcc-arc/0038-fix-segmentation-fault-in-precompiled-header-generat.patch')
-rw-r--r-- | bsp/meta-synopsys/recipes-devtools/gcc/gcc-arc/0038-fix-segmentation-fault-in-precompiled-header-generat.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/bsp/meta-synopsys/recipes-devtools/gcc/gcc-arc/0038-fix-segmentation-fault-in-precompiled-header-generat.patch b/bsp/meta-synopsys/recipes-devtools/gcc/gcc-arc/0038-fix-segmentation-fault-in-precompiled-header-generat.patch new file mode 100644 index 00000000..224d2ae6 --- /dev/null +++ b/bsp/meta-synopsys/recipes-devtools/gcc/gcc-arc/0038-fix-segmentation-fault-in-precompiled-header-generat.patch @@ -0,0 +1,60 @@ +From 00694849632dee23741925c6104df134f6bff747 Mon Sep 17 00:00:00 2001 +From: Juro Bystricky <juro.bystricky@intel.com> +Date: Mon, 19 Mar 2018 22:31:20 -0700 +Subject: [PATCH 38/39] fix segmentation fault in precompiled header generation + +Prevent a segmentation fault which occurs when using incorrect +structure trying to access name of some named operators, such as +CPP_NOT, CPP_AND etc. "token->val.node.spelling" cannot be used in +those cases, as is may not be initialized at all. + +[YOCTO #11738] + +Upstream-Status: Pending + +Signed-off-by: Juro Bystricky <juro.bystricky@intel.com> +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + libcpp/lex.c | 26 +++++++++++++++++++++----- + 1 file changed, 21 insertions(+), 5 deletions(-) + +diff --git a/libcpp/lex.c b/libcpp/lex.c +index 37c365a3560..63480048db6 100644 +--- a/libcpp/lex.c ++++ b/libcpp/lex.c +@@ -3279,11 +3279,27 @@ cpp_spell_token (cpp_reader *pfile, const cpp_token *token, + spell_ident: + case SPELL_IDENT: + if (forstring) +- { +- memcpy (buffer, NODE_NAME (token->val.node.spelling), +- NODE_LEN (token->val.node.spelling)); +- buffer += NODE_LEN (token->val.node.spelling); +- } ++ { ++ if (token->type == CPP_NAME) ++ { ++ memcpy (buffer, NODE_NAME (token->val.node.spelling), ++ NODE_LEN (token->val.node.spelling)); ++ buffer += NODE_LEN (token->val.node.spelling); ++ break; ++ } ++ /* NAMED_OP, cannot use node.spelling */ ++ if (token->flags & NAMED_OP) ++ { ++ const char *str = cpp_named_operator2name (token->type); ++ if (str) ++ { ++ size_t len = strlen(str); ++ memcpy(buffer, str, len); ++ buffer += len; ++ } ++ break; ++ } ++ } + else + buffer = _cpp_spell_ident_ucns (buffer, token->val.node.node); + break; +-- +2.17.0 + |