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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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6
tccgen.c
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@@ -8120,8 +8120,10 @@ static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r,
/* allocate symbol in corresponding section */
sec = ad->section;
if (!sec) {
if (has_init)
sec = data_section;
if (type->t & VT_CONSTANT)
sec = data_ro_section;
else if (has_init)
sec = data_section;
else if (tcc_state->nocommon)
sec = bss_section;
}