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-rw-r--r--extra/Configs/Config.in19
1 files changed, 19 insertions, 0 deletions
diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in
index 7f0ac9db6..e8d522d71 100644
--- a/extra/Configs/Config.in
+++ b/extra/Configs/Config.in
@@ -2308,6 +2308,25 @@ config UCLIBC_MALLOC_DEBUGGING
Because this increases the size of malloc appreciably (due to strings
etc), you should say N unless you need to debug a malloc problem.
+config UCLIBC_HAS_BACKTRACE
+ bool "Add support for application self-debugging"
+ depends on HAVE_SHARED && TARGET_sh
+ default n
+ help
+ Answer Y here to compile support for application self-debugging, by adding
+ a new shared object "libubacktrace.so" that provides the following new
+ functions:
+ backtrace, backtrace_symbols, backtrace_symbols_fd
+
+ The backtrace functionality is currently supported on SH platform, and it
+ based on dwarf2 informations to properly work, so any application that
+ want to use backtrace needs to be built with -fexceptions flag.
+
+ The symbol names may be unavailable without the use of special linker
+ options. For systems using the GNU linker, it is necessary to use the
+ -rdynamic linker option too. Note that names of "static" functions are not
+ exposed, and won't be available in the backtrace.
+
config WARNINGS
string "Compiler Warnings"
default "-Wall"