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Use functions to get relocation info

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MSVC does not support array designator so cannot compile source using
relocs_info. This commit replace the relocs_info array into a set of
functions, each returning the value given by a given field of the struct
reloc_info.
This commit is contained in:
Thomas Preud'homme
2016-12-10 17:22:08 +00:00
parent d31226c873
commit fe6453f8f0
7 changed files with 320 additions and 109 deletions
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34
tcc.h
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@ -1312,26 +1312,6 @@ typedef struct {
unsigned int n_value; /* value of symbol */
} Stab_Sym;
/* Wether to generate a GOT/PLT entry and when. NO_GOTPLT_ENTRY is first so
that unknown relocation don't create a GOT or PLT entry */
enum gotplt_entry {
NO_GOTPLT_ENTRY, /* never generate (eg. GLOB_DAT & JMP_SLOT relocs) */
BUILD_GOT_ONLY, /* only build GOT (eg. TPOFF relocs) */
AUTO_GOTPLT_ENTRY, /* generate if sym is UNDEF */
ALWAYS_GOTPLT_ENTRY /* always generate (eg. PLTOFF relocs) */
};
/* what kind of relocation is it */
struct reloc_info {
int known; /* true for known relocation */
int code_reloc; /* if false, that's a data reloc */
int gotplt_entry; /* wether and when to create a GOT/PLT entry */
};
#define INIT_RELOC_INFO(rtype, code_reloc, gotplt_entry) \
[rtype] = {1, code_reloc, gotplt_entry},
ST_DATA struct reloc_info relocs_info[R_NUM];
ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
ST_DATA Section *cur_text_section; /* current section where function code is generated */
#ifdef CONFIG_TCC_ASM
@ -1407,6 +1387,20 @@ ST_INLN void inp(void);
ST_FUNC int handle_eob(void);
#endif
/* ------------ xxx-link.c ------------ */
/* Wether to generate a GOT/PLT entry and when. NO_GOTPLT_ENTRY is first so
that unknown relocation don't create a GOT or PLT entry */
enum gotplt_entry {
NO_GOTPLT_ENTRY, /* never generate (eg. GLOB_DAT & JMP_SLOT relocs) */
BUILD_GOT_ONLY, /* only build GOT (eg. TPOFF relocs) */
AUTO_GOTPLT_ENTRY, /* generate if sym is UNDEF */
ALWAYS_GOTPLT_ENTRY /* always generate (eg. PLTOFF relocs) */
};
ST_FUNC int code_reloc (int reloc_type);
ST_FUNC int gotplt_entry_type (int reloc_type);
/* ------------ xxx-gen.c ------------ */
ST_DATA const int reg_classes[NB_REGS];