tinycc/libtcc.h

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#ifndef LIBTCC_H
#define LIBTCC_H
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#ifdef LIBTCC_AS_DLL
#define LIBTCCAPI __declspec(dllexport)
#else
#define LIBTCCAPI
#endif
#ifdef __cplusplus
extern "C" {
#endif
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struct TCCState;
typedef struct TCCState TCCState;
/* create a new TCC compilation context */
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LIBTCCAPI TCCState *tcc_new(void);
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/* free a TCC compilation context */
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LIBTCCAPI void tcc_delete(TCCState *s);
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/* add debug information in the generated code */
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LIBTCCAPI void tcc_enable_debug(TCCState *s);
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/* set error/warning display callback */
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LIBTCCAPI void tcc_set_error_func(TCCState *s, void *error_opaque,
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void (*error_func)(void *opaque, const char *msg));
/* set/reset a warning */
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LIBTCCAPI int tcc_set_warning(TCCState *s, const char *warning_name, int value);
/* set linker option */
LIBTCCAPI const char * tcc_set_linker(TCCState *s, char *option, int multi);
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/*****************************/
/* preprocessor */
/* add include path */
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LIBTCCAPI int tcc_add_include_path(TCCState *s, const char *pathname);
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/* add in system include path */
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LIBTCCAPI int tcc_add_sysinclude_path(TCCState *s, const char *pathname);
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/* define preprocessor symbol 'sym'. Can put optional value */
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LIBTCCAPI void tcc_define_symbol(TCCState *s, const char *sym, const char *value);
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/* undefine preprocess symbol 'sym' */
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LIBTCCAPI void tcc_undefine_symbol(TCCState *s, const char *sym);
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/*****************************/
/* compiling */
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/* add a file (either a C file, dll, an object, a library or an ld
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script). Return -1 if error. */
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LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename);
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/* compile a string containing a C source. Return non zero if
error. */
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LIBTCCAPI int tcc_compile_string(TCCState *s, const char *buf);
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/*****************************/
/* linking commands */
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/* set output type. MUST BE CALLED before any compilation */
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#define TCC_OUTPUT_MEMORY 0 /* output will be ran in memory (no
output file) (default) */
#define TCC_OUTPUT_EXE 1 /* executable file */
#define TCC_OUTPUT_DLL 2 /* dynamic library */
#define TCC_OUTPUT_OBJ 3 /* object file */
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#define TCC_OUTPUT_PREPROCESS 4 /* preprocessed file (used internally) */
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LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type);
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#define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
#define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
#define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
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/* equivalent to -Lpath option */
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LIBTCCAPI int tcc_add_library_path(TCCState *s, const char *pathname);
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/* the library name is the same as the argument of the '-l' option */
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LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname);
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/* add a symbol to the compiled program */
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LIBTCCAPI int tcc_add_symbol(TCCState *s, const char *name, const void *val);
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/* output an executable, library or object file. DO NOT call
tcc_relocate() before. */
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LIBTCCAPI int tcc_output_file(TCCState *s, const char *filename);
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/* link and run main() function and return its value. DO NOT call
tcc_relocate() before. */
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LIBTCCAPI int tcc_run(TCCState *s, int argc, char **argv);
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/* Do all relocations (needed before using tcc_get_symbol())
Returns -1 on error. */
LIBTCCAPI int tcc_relocate(TCCState *s1);
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/* return symbol value or NULL if not found */
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LIBTCCAPI void *tcc_get_symbol(TCCState *s, const char *name);
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/* set CONFIG_TCCDIR at runtime */
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LIBTCCAPI void tcc_set_lib_path(TCCState *s, const char *path);
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/*****************************/
/* Miscellaneous */
/* Get default target filename for this compilation */
LIBTCCAPI const char *tcc_default_target(TCCState *s);
tcc: Draft suppoprt for -MD/-MF options In build systems, this is used to automatically collect target dependencies, e.g. ---- 8< (hello.c) ---- #include "hello.h" #include <stdio.h> int main() { printf("Hello World!\n"); return 0; } $ tcc -MD -c hello.c # -> hello.o, hello.d $ cat hello.d hello.o : \ hello.c \ hello.h \ /usr/include/stdio.h \ /usr/include/features.h \ /usr/include/bits/predefs.h \ /usr/include/sys/cdefs.h \ /usr/include/bits/wordsize.h \ /usr/include/gnu/stubs.h \ /usr/include/bits/wordsize.h \ /usr/include/gnu/stubs-32.h \ /home/kirr/local/tcc/lib/tcc/include/stddef.h \ /usr/include/bits/types.h \ /usr/include/bits/wordsize.h \ /usr/include/bits/typesizes.h \ /usr/include/libio.h \ /usr/include/_G_config.h \ /usr/include/wchar.h \ /home/kirr/local/tcc/lib/tcc/include/stdarg.h \ /usr/include/bits/stdio_lim.h \ /usr/include/bits/sys_errlist.h \ NOTE: gcc supports -MD only for .c -> .o, but in tcc, we generate dependencies for whatever action is being taken. E.g. for .c -> exe, the result will be: $ tcc -MD -o hello hello.c # -> hello, hello.d hello: \ /usr/lib/crt1.o \ /usr/lib/crti.o \ hello.c \ hello.h \ /usr/include/stdio.h \ /usr/include/features.h \ /usr/include/bits/predefs.h \ /usr/include/sys/cdefs.h \ /usr/include/bits/wordsize.h \ /usr/include/gnu/stubs.h \ /usr/include/bits/wordsize.h \ /usr/include/gnu/stubs-32.h \ /home/kirr/local/tcc/lib/tcc/include/stddef.h \ /usr/include/bits/types.h \ /usr/include/bits/wordsize.h \ /usr/include/bits/typesizes.h \ /usr/include/libio.h \ /usr/include/_G_config.h \ /usr/include/wchar.h \ /home/kirr/local/tcc/lib/tcc/include/stdarg.h \ /usr/include/bits/stdio_lim.h \ /usr/include/bits/sys_errlist.h \ /usr/lib/libc.so \ /lib/libc.so.6 \ /usr/lib/ld-linux.so.2 \ /lib/ld-linux.so.2 \ /usr/lib/libc_nonshared.a \ /lib/libc.so.6 \ /usr/lib/libc_nonshared.a \ /home/kirr/local/tcc/lib/tcc/libtcc1.a \ /usr/lib/crtn.o \ So tcc dependency generator is a bit more clever than one used in gcc :) Also, I've updated TODO and Changelog (in not-yet-released section). v2: (Taking inputs from grischka and me myself) - put code to generate deps file into a function. - used tcc_fileextension() instead of open-coding - generate deps only when compilation/preprocessing was successful v3: - use pstrcpy instead of snprintf(buf, sizeof(buf), "%s", ...)
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/* Generate make dependencies for target and store them into file
*
* !target - use default target name
* !filename - use (target.o -> target.d)
*/
LIBTCCAPI void tcc_gen_makedeps(TCCState *s, const char *target, const char *filename);
#ifdef __cplusplus
}
#endif
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#endif