diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc/0026-rust-recursion-limit.patch')
-rw-r--r-- | meta/recipes-devtools/gcc/gcc/0026-rust-recursion-limit.patch | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/meta/recipes-devtools/gcc/gcc/0026-rust-recursion-limit.patch b/meta/recipes-devtools/gcc/gcc/0026-rust-recursion-limit.patch deleted file mode 100644 index bbe2f18f6f..0000000000 --- a/meta/recipes-devtools/gcc/gcc/0026-rust-recursion-limit.patch +++ /dev/null @@ -1,92 +0,0 @@ -From 9234cdca6ee88badfc00297e72f13dac4e540c79 Mon Sep 17 00:00:00 2001 -From: Nick Clifton <nickc@redhat.com> -Date: Fri, 1 Jul 2022 15:58:52 +0100 -Subject: [PATCH] Add a recursion limit to the demangle_const function in the - Rust demangler. - -libiberty/ - PR demangler/105039 - * rust-demangle.c (demangle_const): Add recursion limit. - -Upstream-Status: Backport [https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=9234cdca6ee88badfc00297e72f13dac4e540c79] ---- - libiberty/rust-demangle.c | 29 ++++++++++++++++++++--------- - 1 file changed, 20 insertions(+), 9 deletions(-) - -diff --git a/libiberty/rust-demangle.c b/libiberty/rust-demangle.c -index bb58d900e27..36afcfae278 100644 ---- a/libiberty/rust-demangle.c -+++ b/libiberty/rust-demangle.c -@@ -126,7 +126,7 @@ parse_integer_62 (struct rust_demangler *rdm) - return 0; - - x = 0; -- while (!eat (rdm, '_')) -+ while (!eat (rdm, '_') && !rdm->errored) - { - c = next (rdm); - x *= 62; -@@ -1148,6 +1148,15 @@ demangle_const (struct rust_demangler *rdm) - if (rdm->errored) - return; - -+ if (rdm->recursion != RUST_NO_RECURSION_LIMIT) -+ { -+ ++ rdm->recursion; -+ if (rdm->recursion > RUST_MAX_RECURSION_COUNT) -+ /* FIXME: There ought to be a way to report -+ that the recursion limit has been reached. */ -+ goto fail_return; -+ } -+ - if (eat (rdm, 'B')) - { - backref = parse_integer_62 (rdm); -@@ -1158,7 +1167,7 @@ demangle_const (struct rust_demangler *rdm) - demangle_const (rdm); - rdm->next = old_next; - } -- return; -+ goto pass_return; - } - - ty_tag = next (rdm); -@@ -1167,7 +1176,7 @@ demangle_const (struct rust_demangler *rdm) - /* Placeholder. */ - case 'p': - PRINT ("_"); -- return; -+ goto pass_return; - - /* Unsigned integer types. */ - case 'h': -@@ -1200,18 +1209,20 @@ demangle_const (struct rust_demangler *rdm) - break; - - default: -- rdm->errored = 1; -- return; -+ goto fail_return; - } - -- if (rdm->errored) -- return; -- -- if (rdm->verbose) -+ if (!rdm->errored && rdm->verbose) - { - PRINT (": "); - PRINT (basic_type (ty_tag)); - } -+ -+ fail_return: -+ rdm->errored = 1; -+ pass_return: -+ if (rdm->recursion != RUST_NO_RECURSION_LIMIT) -+ -- rdm->recursion; - } - - static void --- -2.31.1 - |