OSO/TinyCC
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Added what I call virtual io to tinycc this way we can make a monolitic executable or library that contains all needed to compile programs, truly tinycc portable.

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Tested under linux exec the "mk-it" shell script and you'll end up with a portable tinycc executable that doesn't depend on anything else.
This commit is contained in:
mingodad
2013-01-11 00:04:38 +00:00
parent 0a8c7d143e
commit 59e18aee0e
12 changed files with 903 additions and 62 deletions
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24
tcc.h
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@ -81,6 +81,15 @@
#include "stab.h"
#include "libtcc.h"
/* virtual io to allow in memory files*/
void vio_initialize(vio_fd *fd);
int vio_open(struct TCCState *s, vio_fd *fd, const char *fn, int oflag);
off_t vio_lseek(vio_fd fd, off_t offset, int whence);
size_t vio_read(vio_fd fd, void *buf, size_t bytes);
int vio_close(vio_fd *fd);
/* parser debug */
//#define PARSE_DEBUG
/* preprocessor debug */
@ -416,7 +425,7 @@ typedef struct AttributeDef {
typedef struct BufferedFile {
uint8_t *buf_ptr;
uint8_t *buf_end;
int fd;
vio_fd fd;
struct BufferedFile *prev;
int line_num; /* current line number - here to simplify code */
int ifndef_macro; /* #ifndef macro / #endif search */
@ -661,6 +670,7 @@ struct TCCState {
unsigned int runtime_plt_and_got_offset;
#endif
#endif
vio_module_t *vio_module;
};
/* The current value can be: */
@ -1031,7 +1041,7 @@ ST_INLN Sym *sym_find(int v);
ST_FUNC Sym *global_identifier_push(int v, int t, int c);
ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
ST_FUNC int tcc_open(TCCState *s1, const char *filename);
ST_FUNC vio_fd tcc_open(TCCState *s1, const char *filename);
ST_FUNC void tcc_close(void);
ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
@ -1212,8 +1222,8 @@ ST_FUNC void relocate_syms(TCCState *s1, int do_resolve);
ST_FUNC void relocate_section(TCCState *s1, Section *s);
ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
ST_FUNC int tcc_load_object_file(TCCState *s1, vio_fd fd, unsigned long file_offset);
ST_FUNC int tcc_load_archive(TCCState *s1, vio_fd fd);
ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
ST_FUNC void tcc_add_bcheck(TCCState *s1);
@ -1221,7 +1231,7 @@ ST_FUNC void build_got_entries(TCCState *s1);
ST_FUNC void tcc_add_runtime(TCCState *s1);
#ifndef TCC_TARGET_PE
ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
ST_FUNC int tcc_load_dll(TCCState *s1, vio_fd fd, const char *filename, int level);
ST_FUNC int tcc_load_ldscript(TCCState *s1);
ST_FUNC uint8_t *parse_comment(uint8_t *p);
ST_FUNC void minp(void);
@ -1305,7 +1315,7 @@ ST_FUNC void gen_cvt_itof1(int t);
#ifdef TCC_TARGET_COFF
ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
ST_FUNC int tcc_load_coff(TCCState * s1, vio_fd fd);
#endif
/* ------------ tccasm.c ------------ */
@ -1327,7 +1337,7 @@ ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
#endif
/* ------------ tccpe.c -------------- */
#ifdef TCC_TARGET_PE
ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, vio_fd fd);
ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, const void *value);
ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);