diff options
Diffstat (limited to 'config/debug/gdb.in.native')
| -rw-r--r-- | config/debug/gdb.in.native | 70 |
1 files changed, 65 insertions, 5 deletions
diff --git a/config/debug/gdb.in.native b/config/debug/gdb.in.native index 915debd..fc79084 100644 --- a/config/debug/gdb.in.native +++ b/config/debug/gdb.in.native @@ -1,23 +1,83 @@ -# Menu for the native GDB +# Menu for the native GDB binaries (GDB itself and gdbserver) config GDB_NATIVE bool prompt "Native gdb" depends on ! BARE_METAL - depends on ! BACKEND + depends on ! LIBC_BIONIC + depends on CC_LANG_CXX || !GDB_8_0_or_later + select LIBC_UCLIBC_WCHAR if LIBC_UCLIBC_NG && GDB_8_0_or_later + select LIBC_UCLIBC_IPV6 if LIBC_UCLIBC_NG && GDB_8_3_or_later select EXPAT_TARGET select NCURSES_TARGET + select GMP_TARGET if GDB_11_or_later help Build and install a native gdb for the target, to run on the target. -if GDB_NATIVE +config GDB_GDBSERVER + bool + prompt "gdbserver" + default y + depends on ! BARE_METAL + select LIBC_UCLIBC_WCHAR if LIBC_UCLIBC_NG && GDB_8_0_or_later + select LIBC_UCLIBC_IPV6 if LIBC_UCLIBC_NG && GDB_8_3_or_later + help + Build and install a gdbserver for the target, to run on the target. + +if GDB_NATIVE || GDB_GDBSERVER + +config GDB_NATIVE_BUILD_IPA_LIB + bool + prompt "Build the IPA library" + depends on LIBC_GLIBC + depends on !GDB_NATIVE_STATIC + help + gdbserver >= 7.2 comes with an optional library to use tracepoints, + the In Process Agent (IPA) library, libinproctrace.so. This library + uses some GNU extensions from the C library. + + Say 'y' if you intend to use tracepoints when debugging your + programs with gdbserver. + + Note: Currently, building this library is not possible when the + gdbserver is built statically. This is a limitation in + crosstool-NG, so do not bug upstream about it... config GDB_NATIVE_STATIC bool - prompt "Build a static native gdb" - depends on CONFIGURE_has_static_link + prompt "Build a static gdb binaries" + depends on EXPERIMENTAL help In case you have trouble with dynamic loading of shared libraries, you will find that a static gdb comes in handy. + However, it has been noticed at least on x86 that enabling this + option produces an invalid gdb binary. It is linked with + "-static -Wl,--dynamic-list=..." which + # (a) requests invalid program interpreter + # (b) crashes glibc/uClibc-ng and does not work with musl + # See https://sourceware.org/ml/libc-alpha/2017-03/msg00267.html + + It is possible it would work with other architectures, hence it is + not completely removed. Use with care and report to the mailing list + if the resulting binaries work. + + For further details, see: + https://sourceware.org/bugzilla/show_bug.cgi?id=19617 + https://sourceware.org/bugzilla/show_bug.cgi?id=21086 + +config GDB_NATIVE_STATIC_LIBSTDCXX + bool + prompt "Link against static libstdc+++" + depends on !GDB_NATIVE_STATIC + default n + help + Say 'y' if you do not want gdbserver to require libstdc++.so on the + target. + endif # GDB_NATIVE + +if BARE_METAL +comment "In bare-metal, you'll need to " +comment "provide your own gdbserver stub." +endif # BARE_METAL |