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text relocation for netbsd

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netbsd does not allow text relocations in text segment.

tcc.h:
- Add data_ro_section
- Fix typo rela.plt

tccelf.c:
- Add data_ro_section
- Make bounds_section/lbounds_section rw
- Add GNU_RELRO section for data_ro_section/bounds_section/lbounds_section
- Fix relocation for __dso_handle in atexit()

tccgen.c:
- Use data_ro_section

x86_64-gen.c:
- Use R_X86_64_PC32 instead of R_X86_64_64 for bounds checking

tests/Makefile, tests/tests2/Makefile
- Enable dll tests for netbsd
This commit is contained in:
herman ten brugge
2020-12-30 14:08:06 +01:00
parent c13c434383
commit 0821940e26
6 changed files with 101 additions and 44 deletions
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8
tests/Makefile
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@@ -64,17 +64,11 @@ endif
ifeq ($(TARGETOS),OpenBSD)
dlltest: CFLAGS+=-fno-stack-protector
endif
ifeq ($(TARGETOS),FreeBSD)
ifneq (,$(filter FreeBSD NetBSD,$(TARGETOS)))
# test3 has dlsym problems
TESTS := $(filter-out test3,$(TESTS))
TESTS += test1
endif
ifeq ($(TARGETOS),NetBSD)
# test3 has dlsym problems
# dlltest does not allow text relocations
TESTS := $(filter-out test3 dlltest,$(TESTS))
TESTS += test1
endif
RUN_TCC = $(NATIVE_DEFINES) -run $(TOPSRC)/tcc.c $(TCCFLAGS)
DISAS = objdump -d