dtoverlays: Add overlays for the IMX708 image sensor

[platform/kernel/linux-rpi.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 2a9b6dc..1699b21 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -208,6 +208,11 @@ config DEBUG_BUGVERBOSE
 
 endmenu # "printk and dmesg options"
 
+# Clang is known to generate .{s,u}leb128 with symbol deltas with DWARF5, which
+# some targets may not support: https://sourceware.org/bugzilla/show_bug.cgi?id=27215
+config AS_HAS_NON_CONST_LEB128
+       def_bool $(as-instr,.uleb128 .Lexpr_end4 - .Lexpr_start3\n.Lexpr_start3:\n.Lexpr_end4:)
+
 menu "Compile-time checks and compiler options"
 
 config DEBUG_INFO
@@ -274,6 +279,7 @@ choice
 
 config DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT
        bool "Rely on the toolchain's implicit default DWARF version"
+       depends on !CC_IS_CLANG || AS_IS_LLVM || CLANG_VERSION < 140000 || (AS_IS_GNU && AS_VERSION >= 23502 && AS_HAS_NON_CONST_LEB128)
        help
          The implicit default version of DWARF debug info produced by a
          toolchain changes over time.
@@ -295,7 +301,7 @@ config DEBUG_INFO_DWARF4
 
 config DEBUG_INFO_DWARF5
        bool "Generate DWARF Version 5 debuginfo"
-       depends on !CC_IS_CLANG || (CC_IS_CLANG && (AS_IS_LLVM || (AS_IS_GNU && AS_VERSION >= 23502)))
+       depends on !CC_IS_CLANG || AS_IS_LLVM || (AS_IS_GNU && AS_VERSION >= 23502 && AS_HAS_NON_CONST_LEB128)
        depends on !DEBUG_INFO_BTF
        help
          Generate DWARF v5 debug info. Requires binutils 2.35.2, gcc 5.0+ (gcc
@@ -414,7 +420,8 @@ config SECTION_MISMATCH_WARN_ONLY
          If unsure, say Y.
 
 config DEBUG_FORCE_FUNCTION_ALIGN_64B
-       bool "Force all function address 64B aligned" if EXPERT
+       bool "Force all function address 64B aligned"
+       depends on EXPERT && (X86_64 || ARM64 || PPC32 || PPC64 || ARC)
        help
          There are cases that a commit from one domain changes the function
          address alignment of other domains, and cause magic performance
@@ -1558,8 +1565,7 @@ config WARN_ALL_UNSEEDED_RANDOM
          so architecture maintainers really need to do what they can
          to get the CRNG seeded sooner after the system is booted.
          However, since users cannot do anything actionable to
-         address this, by default the kernel will issue only a single
-         warning for the first use of unseeded randomness.
+         address this, by default this option is disabled.
 
          Say Y here if you want to receive warnings for all uses of
          unseeded randomness.  This will be of use primarily for