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Add input files/libs and reloc_output switch to TCCState

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files[0], and reloc_outpu will be needed for (upcoming in the next
patch) "compute default outfile name" refactored into libtcc function.

Also, since for symmetry and from libification point of view, it makes
some sense to also put all information about what was given as input to
compilation into TCCState, let's not only put files[0], but all
files and all libraries given explicitely by user.

One point: I've used bitfield for reloc_output & trimmed down
output_type to 8 bits so that TCCState stays the same in size, and also
access to output_type is (hopefully) is not slower.

By the way -- as of today, sizeof(TCCState) on i686-pc-linux-gnu is 2884
bytes...
This commit is contained in:
Kirill Smelkov 2010-06-20 19:49:58 +04:00
parent 66b54af8ea
commit a919a373da
4 changed files with 24 additions and 1 deletions
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8
libtcc.c
View File

@ -1038,6 +1038,10 @@ LIBTCCAPI void tcc_delete(TCCState *s1)
dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths);
tcc_free(s1->tcc_lib_path);
dynarray_reset(&s1->input_files, &s1->nb_input_files);
dynarray_reset(&s1->input_libs, &s1->nb_input_libs);
#ifdef HAVE_SELINUX
munmap (s1->write_mem, s1->mem_size);
munmap (s1->runtime_mem, s1->mem_size);
@ -1184,6 +1188,8 @@ the_end:
LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename)
{
dynarray_add((void ***)&s->input_files, &s->nb_input_files, tcc_strdup(filename));
if (s->output_type == TCC_OUTPUT_PREPROCESS)
return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR | AFF_PREPROCESS);
else
@ -1220,6 +1226,8 @@ LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname)
{
char buf[1024];
int i;
dynarray_add((void ***)&s->input_libs, &s->nb_input_libs, tcc_strdup(libraryname));
/* first we look for the dynamic library if not static linking */
if (!s->static_link) {

7
libtcc.h
View File

@ -103,6 +103,13 @@ LIBTCCAPI void *tcc_get_symbol(TCCState *s, const char *name);
/* set CONFIG_TCCDIR at runtime */
LIBTCCAPI void tcc_set_lib_path(TCCState *s, const char *path);
/*****************************/
/* Miscellaneous */
/* Get default target filename for this compilation */
LIBTCCAPI const char *tcc_default_target(TCCState *s);
#ifdef __cplusplus
}
#endif

1
tcc.c
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@ -475,6 +475,7 @@ int main(int argc, char **argv)
}
tcc_set_output_type(s, output_type);
s->reloc_output = reloc_output;
/* compile or add each files or library */
for(i = 0; i < nb_files && ret == 0; i++) {

9
tcc.h
View File

@ -397,7 +397,8 @@ typedef struct ASMOperand {
#endif
struct TCCState {
int output_type;
unsigned output_type : 8;
unsigned reloc_output : 1;
BufferedFile **include_stack_ptr;
int *ifdef_stack_ptr;
@ -518,6 +519,12 @@ struct TCCState {
/* output file for preprocessing */
FILE *outfile;
/* input files and libraries for this compilation */
char **input_files;
int nb_input_files;
char **input_libs;
int nb_input_libs;
/* for tcc_relocate */
int runtime_added;
void *runtime_mem;