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fix: enforce bcheck.o linking when -b option is used

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fixes a crash for the empry program (tcc -b empty.c)
    empty.c: int main() { return 0; }
This commit is contained in:
seyko 2015-03-26 06:04:36 +03:00
parent cde79a805e
commit a105837aae
2 changed files with 10 additions and 1 deletions
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6
Makefile
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@ -140,6 +140,7 @@ PROGS_CROSS=$($(X64_CROSS)_LINK) $($(WIN32_CROSS)_LINK) $($(WIN64_CROSS)_LINK) $
LIBTCC1_CROSS=lib/i386-win/libtcc1.a lib/x86_64-win/libtcc1.a lib/i386/libtcc1.a lib/x86_64/libtcc1.a \
lib/arm64/libtcc1.a
LIBTCC1=libtcc1.a
BCHECK=yes
else ifeq ($(ARCH),x86-64)
NATIVE_FILES=$(X86_64_FILES)
PROGS_CROSS=$($(I386_CROSS)_LINK) $($(WIN32_CROSS)_LINK) $($(WIN64_CROSS)_LINK) $(ARM_CROSS) $(ARM64_CROSS) $(C67_CROSS) $(WINCE_CROSS)
@ -283,6 +284,10 @@ install: $(PROGS) $(TCCLIBS) $(TCCDOCS)
ifneq ($(LIBTCC1),)
mkdir -p "$(tccdir)/$(ARCH)"
$(INSTALL) -m644 $(LIBTCC1) "$(tccdir)/$(ARCH)"
endif
ifneq ($(BCHECK),)
-mkdir -p "$(tccdir)/$(ARCH)"
$(INSTALL) -m644 lib/$(ARCH)/bcheck.o "$(tccdir)/$(ARCH)"
endif
$(INSTALL) -m644 $(addprefix $(top_srcdir)/include/,$(TCC_INCLUDES)) $(top_srcdir)/tcclib.h "$(tccdir)/include"
mkdir -p "$(libdir)"
@ -303,6 +308,7 @@ ifdef CONFIG_CROSS
mkdir -p "$(tccdir)/arm64"
$(INSTALL) -m644 lib/arm64/libtcc1.a "$(tccdir)/arm64"
$(INSTALL) -m644 lib/i386/libtcc1.a "$(tccdir)/i386"
$(INSTALL) -m644 lib/i386/bcheck.o "$(tccdir)/i386"
$(INSTALL) -m644 lib/x86_64/libtcc1.a "$(tccdir)/x86-64"
$(INSTALL) -m644 $(top_srcdir)/win32/lib/*.def "$(tccdir)/win32/lib"
$(INSTALL) -m644 lib/i386-win/libtcc1.a "$(tccdir)/win32/lib/32"

5
tccelf.c
View File

@ -1564,7 +1564,10 @@ ST_FUNC void tcc_add_bcheck(TCCState *s1)
pinit = section_ptr_add(init_section, 5);
pinit[0] = 0xe8;
put32(pinit + 1, -4);
sym_index = find_elf_sym(symtab_section, "__bound_init");
tcc_add_support(s1, "bcheck.o");
sym_index = find_elf_sym(symtab_section, "__bound_init");
if (!sym_index)
tcc_error("__bound_init not defined");
put_elf_reloc(symtab_section, init_section,
init_section->data_offset - 4, R_386_PC32, sym_index);
}