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-rw-r--r--lib/Kconfig.debug59
1 files changed, 58 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index bcbe60d6c80c..f473f7d8a0a2 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -264,8 +264,10 @@ config DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT
config DEBUG_INFO_DWARF4
bool "Generate DWARF Version 4 debuginfo"
select DEBUG_INFO
+ depends on !CC_IS_CLANG || (CC_IS_CLANG && (AS_IS_LLVM || (AS_IS_GNU && AS_VERSION >= 23502)))
help
- Generate DWARF v4 debug info. This requires gcc 4.5+ and gdb 7.0+.
+ Generate DWARF v4 debug info. This requires gcc 4.5+, binutils 2.35.2
+ if using clang without clang's integrated assembler, and gdb 7.0+.
If you have consumers of DWARF debug info that are not ready for
newer revisions of DWARF, you may wish to choose this or have your
@@ -2509,6 +2511,18 @@ config MEMCPY_KUNIT_TEST
If unsure, say N.
+config IS_SIGNED_TYPE_KUNIT_TEST
+ tristate "Test is_signed_type() macro" if !KUNIT_ALL_TESTS
+ depends on KUNIT
+ default KUNIT_ALL_TESTS
+ help
+ Builds unit tests for the is_signed_type() macro.
+
+ For more information on KUnit and unit tests in general please refer
+ to the KUnit documentation in Documentation/dev-tools/kunit/.
+
+ If unsure, say N.
+
config OVERFLOW_KUNIT_TEST
tristate "Test check_*_overflow() functions at runtime" if !KUNIT_ALL_TESTS
depends on KUNIT
@@ -2533,6 +2547,15 @@ config STACKINIT_KUNIT_TEST
CONFIG_GCC_PLUGIN_STRUCTLEAK, CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF,
or CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL.
+config FORTIFY_KUNIT_TEST
+ tristate "Test fortified str*() and mem*() function internals at runtime" if !KUNIT_ALL_TESTS
+ depends on KUNIT && FORTIFY_SOURCE
+ default KUNIT_ALL_TESTS
+ help
+ Builds unit tests for checking internals of FORTIFY_SOURCE as used
+ by the str*() and mem*() family of functions. For testing runtime
+ traps of FORTIFY_SOURCE, see LKDTM's "FORTIFY_*" tests.
+
config TEST_UDELAY
tristate "udelay test driver"
help
@@ -2708,6 +2731,40 @@ config HYPERV_TESTING
endmenu # "Kernel Testing and Coverage"
+menu "Rust hacking"
+
+config RUST_DEBUG_ASSERTIONS
+ bool "Debug assertions"
+ depends on RUST
+ help
+ Enables rustc's `-Cdebug-assertions` codegen option.
+
+ This flag lets you turn `cfg(debug_assertions)` conditional
+ compilation on or off. This can be used to enable extra debugging
+ code in development but not in production. For example, it controls
+ the behavior of the standard library's `debug_assert!` macro.
+
+ Note that this will apply to all Rust code, including `core`.
+
+ If unsure, say N.
+
+config RUST_OVERFLOW_CHECKS
+ bool "Overflow checks"
+ default y
+ depends on RUST
+ help
+ Enables rustc's `-Coverflow-checks` codegen option.
+
+ This flag allows you to control the behavior of runtime integer
+ overflow. When overflow-checks are enabled, a Rust panic will occur
+ on overflow.
+
+ Note that this will apply to all Rust code, including `core`.
+
+ If unsure, say Y.
+
+endmenu # "Rust"
+
source "Documentation/Kconfig"
endmenu # Kernel hacking