[PATCH 0/7] tools/nolibc: autodetect stackprotector availability from compiler
Thomas Weißschuh
linux at weissschuh.net
Sun May 21 02:36:28 PDT 2023
As suggested by Willy it is possible to detect the availability of
stackprotector via preprocessor defines.
Make use of that to simplify the code and interface of nolibc.
Signed-off-by: Thomas Weißschuh <linux at weissschuh.net>
---
Thomas Weißschuh (7):
tools/nolibc: fix typo pint -> point
tools/nolibc: x86_64: disable stack protector for _start
tools/nolibc: ensure stack protector guard is never zero
tools/nolibc: add test for __stack_chk_guard initialization
tools/nolibc: reformat list of headers to be installed
tools/nolibc: add autodetection for stackprotector support
tools/nolibc: simplify stackprotector compiler flags
tools/include/nolibc/Makefile | 19 +++++++++++++++++--
tools/include/nolibc/arch-aarch64.h | 6 +++---
tools/include/nolibc/arch-arm.h | 6 +++---
tools/include/nolibc/arch-i386.h | 6 +++---
tools/include/nolibc/arch-loongarch.h | 6 +++---
tools/include/nolibc/arch-mips.h | 6 +++---
tools/include/nolibc/arch-riscv.h | 6 +++---
tools/include/nolibc/arch-x86_64.h | 8 ++++----
tools/include/nolibc/arch.h | 2 +-
tools/include/nolibc/compiler.h | 15 +++++++++++++++
tools/include/nolibc/stackprotector.h | 15 ++++++---------
tools/testing/selftests/nolibc/Makefile | 13 ++-----------
tools/testing/selftests/nolibc/nolibc-test.c | 10 +++++++++-
13 files changed, 72 insertions(+), 46 deletions(-)
---
base-commit: 606343b7478c319cb30291a39ecbceddb42229d6
change-id: 20230521-nolibc-automatic-stack-protector-b4f7fab9e625
Best regards,
--
Thomas Weißschuh <linux at weissschuh.net>
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