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* Add missing relocation info for C67 targetThomas Preud'homme2016-12-101-1/+11
| | | | | Fill in relocs_info table for C67 and fix R_C60_NUM value to really be greater than all relocation values known to TCC.
* Fix PLT creation for i386Thomas Preud'homme2016-12-101-0/+1
| | | | | | | | | | | | | | | | | | | i386 target does not have PC relative loads. Its ABI therefore require ebx register to points to the GOT when executing a PLT entry. This means that PLT entry cannot be used transparently, the compiler needs to expect execution of a PLT entry to be able to use one, that is a PLT entry should only be created if the relocation explicitely asks for it (eg. R_386_PLT32). This patch creates a new target macro PCRELATIVE_DLLPLT to indicate whether a target can do a PC relative load in PLT entry when building a dynamic library. Executable do not normally pose a problem because they are loaded at a fixed address and thus the absolute address of GOT can be used. Note that in such a case, if the compiler does not use a PLT aware relocation for external access then the code relocation will fall on the dynamic loader since there is no PLT entry to relocate too.
* Add relocs_info array to c67 backendThomas Preud'homme2016-12-051-0/+2
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* Fix relocs_info declaration in tcc.hThomas Preud'homme2016-12-051-1/+22
| | | | | | | | | C standard specifies that array should be declared with a non null size or with * for standard array. Declaration of relocs_info in tcc.h was not respecting this rule. This commit add a R_NUM macro that maps to the R_<ARCH>_NUM macros and declare relocs_info using it. This commit also moves all linker-related macros from <arch>-gen.c files to <arch>-link.c ones.
* Do section relocation in architecture backendThomas Preud'homme2016-12-031-0/+35