mirror of
https://github.com/frida/tinycc
synced 2024-11-24 16:49:44 +03:00
0c928da96d
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", ...)
125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
#ifndef LIBTCC_H
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#define LIBTCC_H
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#ifdef LIBTCC_AS_DLL
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#define LIBTCCAPI __declspec(dllexport)
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#else
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#define LIBTCCAPI
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct TCCState;
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typedef struct TCCState TCCState;
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/* 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));
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/* set/reset a warning */
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LIBTCCAPI int tcc_set_warning(TCCState *s, const char *warning_name, int value);
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/* set linker option */
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LIBTCCAPI const char * tcc_set_linker(TCCState *s, char *option, int multi);
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/*****************************/
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/* preprocessor */
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/* 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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/*****************************/
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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
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error. */
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LIBTCCAPI int tcc_compile_string(TCCState *s, const char *buf);
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/*****************************/
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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
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output file) (default) */
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#define TCC_OUTPUT_EXE 1 /* executable file */
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#define TCC_OUTPUT_DLL 2 /* dynamic library */
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#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 */
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#define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
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#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
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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
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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())
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Returns -1 on error. */
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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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/*****************************/
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/* Miscellaneous */
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/* Get default target filename for this compilation */
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LIBTCCAPI const char *tcc_default_target(TCCState *s);
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/* Generate make dependencies for target and store them into file
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*
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* !target - use default target name
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* !filename - use (target.o -> target.d)
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*/
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LIBTCCAPI void tcc_gen_makedeps(TCCState *s, const char *target, const char *filename);
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#ifdef __cplusplus
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}
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#endif
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#endif
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