mirror of
https://github.com/mirror/tinycc.git
synced 2024-12-26 03:50:07 +08:00
fixes & cleanups
- tccgen.c/tcc.h: allow function declaration after use:
int f() { return g(); }
int g() { return 1; }
may be a warning but not an error
see also 76cb1144ef
- tccgen.c: redundant code related to inline functions removed
(functions used anywhere have sym->c set automatically)
- tccgen.c: make 32bit llop non-equal test portable
(probably not on C67)
- dynarray_add: change prototype to possibly avoid aliasing
problems or at least warnings
- lib/alloca*.S: ".section .note.GNU-stack,"",%progbits" removed
(has no effect)
- tccpe: set SizeOfCode field (for correct upx decompression)
- libtcc.c: fixed alternative -run invocation
tcc "-run -lxxx ..." file.c
(meant to load the library after file).
Also supported now:
tcc files ... options ... -run @ arguments ...
This commit is contained in:
grischka
parent
9817204d8a
commit
a4a20360e9
@ -341,7 +341,7 @@ void stuff_const_harder(uint32_t op, uint32_t v) {
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}
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}
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ST_FUNC uint32_t encbranch(int pos, int addr, int fail)
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uint32_t encbranch(int pos, int addr, int fail)
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{
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addr-=pos+8;
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addr/=4;
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@ -70,9 +70,6 @@ enum {
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/* maximum alignment (for aligned attribute support) */
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#define MAX_ALIGN 8
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/* generate jmp to a label */
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#define gjmp2(instr,lbl) oad(instr,lbl)
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/******************************************************/
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#else /* ! TARGET_DEFS_ONLY */
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/******************************************************/
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@ -148,7 +145,7 @@ ST_FUNC void gsym(int t)
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}
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/* instruction + 4 bytes data. Return the address of the data */
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ST_FUNC int oad(int c, int s)
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static int oad(int c, int s)
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{
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int t;
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if (nocode_wanted)
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@ -159,6 +156,9 @@ ST_FUNC int oad(int c, int s)
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return t;
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}
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/* generate jmp to a label */
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#define gjmp2(instr,lbl) oad(instr,lbl)
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/* output constant with relocation if 'r & VT_SYM' is true */
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ST_FUNC void gen_addr32(int r, Sym *sym, long c)
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{
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@ -8,4 +8,3 @@ alloca:
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mov r0, sp
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mov pc, lr
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.size alloca, .-alloca
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.section .note.GNU-stack,"",%progbits
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@ -28,8 +28,4 @@ p3:
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push %edx
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ret
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/* mark stack as nonexecutable */
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#if defined __ELF__ && defined __linux__
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.section .note.GNU-stack,"",@progbits
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#endif
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/* ---------------------------------------------- */
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@ -53,8 +53,4 @@ p3:
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ret
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#endif
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/* mark stack as nonexecutable */
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#if defined __ELF__ && defined __linux__
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.section .note.GNU-stack,"",@progbits
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#endif
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/* ---------------------------------------------- */
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@ -35,8 +35,4 @@ p3:
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push %rdx
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ret
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/* mark stack as nonexecutable */
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#if defined __ELF__ && defined __linux__
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.section .note.GNU-stack,"",@progbits
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#endif
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/* ---------------------------------------------- */
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23
libtcc.c
23
libtcc.c
@ -403,13 +403,13 @@ PUB_FUNC void tcc_memstats(int bench)
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/********************************************************/
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/* dynarrays */
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ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data)
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ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data)
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{
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int nb, nb_alloc;
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void **pp;
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nb = *nb_ptr;
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pp = *ptab;
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pp = *(void ***)ptab;
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/* every power of two we double array size */
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if ((nb & (nb - 1)) == 0) {
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if (!nb)
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@ -417,7 +417,7 @@ ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data)
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else
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nb_alloc = nb * 2;
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pp = tcc_realloc(pp, nb_alloc * sizeof(void *));
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*ptab = pp;
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*(void***)ptab = pp;
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}
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pp[nb++] = data;
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*nb_ptr = nb;
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@ -1013,7 +1013,7 @@ ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags)
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}
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/* update target deps */
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dynarray_add((void ***)&s1->target_deps, &s1->nb_target_deps,
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dynarray_add(&s1->target_deps, &s1->nb_target_deps,
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tcc_strdup(filename));
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parse_flags = 0;
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@ -1586,7 +1586,7 @@ static void args_parser_add_file(TCCState *s, const char* filename, int filetype
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struct filespec *f = tcc_malloc(sizeof *f + strlen(filename));
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f->type = filetype;
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strcpy(f->name, filename);
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dynarray_add((void ***)&s->files, &s->nb_files, f);
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dynarray_add(&s->files, &s->nb_files, f);
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}
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/* read list file */
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@ -1611,8 +1611,8 @@ PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv)
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{
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const TCCOption *popt;
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const char *optarg, *r;
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const char *run = NULL;
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int optind = 0;
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int run = 0;
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int x;
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int last_o = -1;
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CString linker_arg; /* collect -Wl options */
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@ -1631,8 +1631,10 @@ reparse:
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}
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if (r[0] != '-' || r[1] == '\0') {
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args_parser_add_file(s, r, s->filetype);
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if (r[0] != '@') /* allow "tcc file(s) -run @ args ..." */
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args_parser_add_file(s, r, s->filetype);
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if (run) {
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tcc_set_options(s, run);
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optind--;
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/* argv[0] will be this file */
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break;
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@ -1753,7 +1755,7 @@ reparse:
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tcc_add_sysinclude_path(s, buf);
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break;
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case TCC_OPTION_include:
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dynarray_add((void ***)&s->cmd_include_files,
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dynarray_add(&s->cmd_include_files,
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&s->nb_cmd_include_files, tcc_strdup(optarg));
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break;
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case TCC_OPTION_nostdinc:
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@ -1769,8 +1771,7 @@ reparse:
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#ifndef TCC_IS_NATIVE
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tcc_error("-run is not available in a cross compiler");
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#endif
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tcc_set_options(s, optarg);
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run = 1;
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run = optarg;
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x = TCC_OUTPUT_MEMORY;
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goto set_output_type;
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case TCC_OPTION_v:
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@ -1903,7 +1904,7 @@ LIBTCCAPI int tcc_set_options(TCCState *s, const char *r)
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}
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cstr_ccat(&str, 0);
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//printf("<%s>\n", str.data), fflush(stdout);
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dynarray_add((void ***)&argv, &argc, tcc_strdup(str.data));
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dynarray_add(&argv, &argc, tcc_strdup(str.data));
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cstr_free(&str);
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}
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ret = tcc_parse_args(s, argc, argv);
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6
tcc.h
6
tcc.h
@ -388,7 +388,7 @@ struct Attribute {
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func_export : 1,
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func_import : 1,
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func_args : 5,
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func_proto : 1,
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func_body : 1,
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mode : 4,
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weak : 1,
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visibility : 2,
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@ -1096,7 +1096,7 @@ PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
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PUB_FUNC void tcc_warning(const char *fmt, ...);
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/* other utilities */
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ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data);
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ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data);
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ST_FUNC void dynarray_reset(void *pp, int *n);
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ST_INLN void cstr_ccat(CString *cstr, int ch);
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ST_FUNC void cstr_cat(CString *cstr, const char *str, int len);
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@ -1486,7 +1486,6 @@ static inline void add64le(unsigned char *p, int64_t x) {
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/* ------------ i386-gen.c ------------ */
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#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
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ST_FUNC void g(int c);
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ST_FUNC int oad(int c, int s);
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ST_FUNC void gen_le16(int c);
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ST_FUNC void gen_le32(int c);
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ST_FUNC void gen_addr32(int r, Sym *sym, long c);
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@ -1510,7 +1509,6 @@ ST_FUNC void gen_opl(int op);
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ST_FUNC char *default_elfinterp(struct TCCState *s);
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#endif
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ST_FUNC void arm_init(struct TCCState *s);
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ST_FUNC uint32_t encbranch(int pos, int addr, int fail);
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ST_FUNC void gen_cvt_itof1(int t);
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#endif
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15
tccelf.c
15
tccelf.c
@ -49,7 +49,7 @@ static int new_undef_sym = 0; /* Is there a new undefined sym since last new_und
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ST_FUNC void tccelf_new(TCCState *s)
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{
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/* no section zero */
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dynarray_add((void ***)&s->sections, &s->nb_sections, NULL);
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dynarray_add(&s->sections, &s->nb_sections, NULL);
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/* create standard sections */
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text_section = new_section(s, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR);
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@ -153,10 +153,10 @@ ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh
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}
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if (sh_flags & SHF_PRIVATE) {
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dynarray_add((void ***)&s1->priv_sections, &s1->nb_priv_sections, sec);
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dynarray_add(&s1->priv_sections, &s1->nb_priv_sections, sec);
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} else {
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sec->sh_num = s1->nb_sections;
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dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec);
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dynarray_add(&s1->sections, &s1->nb_sections, sec);
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}
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return sec;
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@ -1896,7 +1896,7 @@ static int tcc_write_elf_file(TCCState *s1, const char *filename, int phnum,
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static int elf_output_file(TCCState *s1, const char *filename)
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{
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int i, ret, phnum, shnum, file_type, file_offset, *sec_order;
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struct dyn_inf dyninf;
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struct dyn_inf dyninf = {0};
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ElfW(Phdr) *phdr;
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ElfW(Sym) *sym;
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Section *strsec, *interp, *dynamic, *dynstr;
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@ -1912,7 +1912,6 @@ static int elf_output_file(TCCState *s1, const char *filename)
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phdr = NULL;
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sec_order = NULL;
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interp = dynamic = dynstr = NULL; /* avoid warning */
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dyninf.dyn_rel_off = 0; /* avoid warning */
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if (file_type != TCC_OUTPUT_OBJ) {
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relocate_common_syms();
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@ -2595,7 +2594,7 @@ ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level)
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dllref = tcc_mallocz(sizeof(DLLReference) + strlen(soname));
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dllref->level = level;
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strcpy(dllref->name, soname);
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dynarray_add((void ***)&s1->loaded_dlls, &s1->nb_loaded_dlls, dllref);
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dynarray_add(&s1->loaded_dlls, &s1->nb_loaded_dlls, dllref);
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/* add dynamic symbols in dynsym_section */
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for(i = 1, sym = dynsym + 1; i < nb_syms; i++, sym++) {
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@ -2825,9 +2824,9 @@ static int ld_add_file_list(TCCState *s1, const char *cmd, int as_needed)
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goto lib_parse_error;
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if (group) {
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/* Add the filename *and* the libname to avoid future conversions */
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dynarray_add((void ***) &libs, &nblibs, tcc_strdup(filename));
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dynarray_add(&libs, &nblibs, tcc_strdup(filename));
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if (libname[0] != '\0')
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dynarray_add((void ***) &libs, &nblibs, tcc_strdup(libname));
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dynarray_add(&libs, &nblibs, tcc_strdup(libname));
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}
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}
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}
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64
tccgen.c
64
tccgen.c
@ -1608,23 +1608,15 @@ static void gen_opl(int op)
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a = 0;
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b = 0;
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gen_op(op1);
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if (op1 != TOK_NE) {
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if (op == TOK_NE) {
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b = gvtst(0, 0);
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} else {
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a = gvtst(1, 0);
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}
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if (op != TOK_EQ) {
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/* generate non equal test */
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/* XXX: NOT PORTABLE yet */
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if (op1 == TOK_NE) {
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if (op != TOK_EQ) {
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/* generate non equal test */
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vpushi(TOK_NE);
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vtop->r = VT_CMP;
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b = gvtst(0, 0);
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} else {
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#if defined(TCC_TARGET_I386)
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b = gjmp2(0x850f, 0);
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#elif defined(TCC_TARGET_ARM)
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b = ind;
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o(0x1A000000 | encbranch(ind, 0, 1));
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#else
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tcc_error("not implemented");
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#endif
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}
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}
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/* compare low. Always unsigned */
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@ -4724,23 +4716,13 @@ ST_FUNC void unary(void)
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tcc_warning("implicit declaration of function '%s'", name);
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s = external_global_sym(t, &func_old_type, 0);
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}
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if ((s->type.t & (VT_STATIC | VT_INLINE | VT_BTYPE)) ==
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(VT_STATIC | VT_INLINE | VT_FUNC)) {
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/* if referencing an inline function, then we generate a
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symbol to it if not already done. It will have the
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effect to generate code for it at the end of the
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compilation unit. Inline function as always
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generated in the text section. */
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if (!s->c && !nocode_wanted)
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put_extern_sym(s, text_section, 0, 0);
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r = VT_SYM | VT_CONST;
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} else {
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r = s->r;
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/* A symbol that has a register is a local register variable,
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which starts out as VT_LOCAL value. */
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if ((r & VT_VALMASK) < VT_CONST)
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r = (r & ~VT_VALMASK) | VT_LOCAL;
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}
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r = s->r;
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/* A symbol that has a register is a local register variable,
|
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which starts out as VT_LOCAL value. */
|
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if ((r & VT_VALMASK) < VT_CONST)
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r = (r & ~VT_VALMASK) | VT_LOCAL;
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|
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vset(&s->type, r, s->c);
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/* Point to s as backpointer (even without r&VT_SYM).
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Will be used by at least the x86 inline asm parser for
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@ -4822,7 +4804,7 @@ ST_FUNC void unary(void)
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s = vtop->type.ref;
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next();
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sa = s->next; /* first parameter */
|
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nb_args = 0;
|
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nb_args = regsize = 0;
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ret.r2 = VT_CONST;
|
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/* compute first implicit argument if a structure is returned */
|
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if ((s->type.t & VT_BTYPE) == VT_STRUCT) {
|
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@ -5849,7 +5831,7 @@ static void block(int *bsym, int *csym, int is_expr)
|
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tcc_warning("empty case range");
|
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}
|
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cr->sym = ind;
|
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dynarray_add((void***) &cur_switch->p, &cur_switch->n, cr);
|
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dynarray_add(&cur_switch->p, &cur_switch->n, cr);
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skip(':');
|
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is_expr = 0;
|
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goto block_after_label;
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@ -6897,7 +6879,6 @@ static void gen_inline_functions(TCCState *s)
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fn->sym = NULL;
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if (file)
|
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pstrcpy(file->filename, sizeof file->filename, fn->filename);
|
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sym->r = VT_SYM | VT_CONST;
|
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sym->type.t &= ~VT_INLINE;
|
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|
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begin_macro(fn->func_str, 1);
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@ -7038,8 +7019,6 @@ static int decl0(int l, int is_for_loop_init)
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goto func_error1;
|
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|
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ref = sym->type.ref;
|
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if (0 == ref->a.func_proto)
|
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tcc_error("redefinition of '%s'", get_tok_str(v, NULL));
|
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|
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/* use func_call from prototype if not defined */
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if (ref->a.func_call != FUNC_CDECL
|
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@ -7064,15 +7043,20 @@ static int decl0(int l, int is_for_loop_init)
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tcc_error("incompatible types for redefinition of '%s'",
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get_tok_str(v, NULL));
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}
|
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type.ref->a.func_proto = 0;
|
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if (ref->a.func_body)
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tcc_error("redefinition of '%s'", get_tok_str(v, NULL));
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/* if symbol is already defined, then put complete type */
|
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sym->type = type;
|
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|
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} else {
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/* put function symbol */
|
||||
sym = global_identifier_push(v, type.t, 0);
|
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sym->type.ref = type.ref;
|
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}
|
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|
||||
sym->type.ref->a.func_body = 1;
|
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sym->r = VT_SYM | VT_CONST;
|
||||
|
||||
/* static inline functions are just recorded as a kind
|
||||
of macro. Their code will be emitted at the end of
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the compilation unit only if they are used */
|
||||
@ -7106,14 +7090,13 @@ static int decl0(int l, int is_for_loop_init)
|
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}
|
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tok_str_add(fn->func_str, -1);
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tok_str_add(fn->func_str, 0);
|
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dynarray_add((void ***)&tcc_state->inline_fns, &tcc_state->nb_inline_fns, fn);
|
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dynarray_add(&tcc_state->inline_fns, &tcc_state->nb_inline_fns, fn);
|
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|
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} else {
|
||||
/* compute text section */
|
||||
cur_text_section = ad.section;
|
||||
if (!cur_text_section)
|
||||
cur_text_section = text_section;
|
||||
sym->r = VT_SYM | VT_CONST;
|
||||
gen_function(sym);
|
||||
}
|
||||
break;
|
||||
@ -7138,7 +7121,6 @@ static int decl0(int l, int is_for_loop_init)
|
||||
if ((type.t & VT_BTYPE) == VT_FUNC) {
|
||||
/* external function definition */
|
||||
/* specific case for func_call attribute */
|
||||
ad.a.func_proto = 1;
|
||||
type.ref->a = ad.a;
|
||||
} else if (!(type.t & VT_ARRAY)) {
|
||||
/* not lvalue if array */
|
||||
|
||||
12
tccpe.c
12
tccpe.c
@ -691,6 +691,10 @@ static int pe_write(struct pe_info *pe)
|
||||
psh->PointerToRawData = file_offset;
|
||||
file_offset = pe_file_align(pe, file_offset + si->data_size);
|
||||
psh->SizeOfRawData = file_offset - psh->PointerToRawData;
|
||||
if (si->cls == sec_text)
|
||||
pe_header.opthdr.SizeOfCode += psh->SizeOfRawData;
|
||||
else
|
||||
pe_header.opthdr.SizeOfInitializedData += psh->SizeOfRawData;
|
||||
}
|
||||
}
|
||||
|
||||
@ -753,7 +757,7 @@ static struct import_symbol *pe_add_import(struct pe_info *pe, int sym_index)
|
||||
}
|
||||
p = tcc_mallocz(sizeof *p);
|
||||
p->dll_index = dll_index;
|
||||
dynarray_add((void***)&pe->imp_info, &pe->imp_count, p);
|
||||
dynarray_add(&pe->imp_info, &pe->imp_count, p);
|
||||
|
||||
found_dll:
|
||||
i = dynarray_assoc ((void**)p->symbols, p->sym_count, sym_index);
|
||||
@ -761,7 +765,7 @@ found_dll:
|
||||
return p->symbols[i];
|
||||
|
||||
s = tcc_mallocz(sizeof *s);
|
||||
dynarray_add((void***)&p->symbols, &p->sym_count, s);
|
||||
dynarray_add(&p->symbols, &p->sym_count, s);
|
||||
s->sym_index = sym_index;
|
||||
return s;
|
||||
}
|
||||
@ -904,7 +908,7 @@ static void pe_build_exports(struct pe_info *pe)
|
||||
p = tcc_malloc(sizeof *p);
|
||||
p->index = sym_index;
|
||||
p->name = name;
|
||||
dynarray_add((void***)&sorted, &sym_count, p);
|
||||
dynarray_add(&sorted, &sym_count, p);
|
||||
}
|
||||
#if 0
|
||||
if (sym->st_other & ST_PE_EXPORT)
|
||||
@ -1515,7 +1519,7 @@ static int add_dllref(TCCState *s1, const char *dllname)
|
||||
return i + 1;
|
||||
dllref = tcc_mallocz(sizeof(DLLReference) + strlen(dllname));
|
||||
strcpy(dllref->name, dllname);
|
||||
dynarray_add((void ***) &s1->loaded_dlls, &s1->nb_loaded_dlls, dllref);
|
||||
dynarray_add(&s1->loaded_dlls, &s1->nb_loaded_dlls, dllref);
|
||||
return s1->nb_loaded_dlls;
|
||||
}
|
||||
|
||||
|
||||
6
tccpp.c
6
tccpp.c
@ -1566,7 +1566,7 @@ static CachedInclude *search_cached_include(TCCState *s1, const char *filename,
|
||||
e = tcc_malloc(sizeof(CachedInclude) + strlen(filename));
|
||||
strcpy(e->filename, filename);
|
||||
e->ifndef_macro = e->once = 0;
|
||||
dynarray_add((void ***)&s1->cached_includes, &s1->nb_cached_includes, e);
|
||||
dynarray_add(&s1->cached_includes, &s1->nb_cached_includes, e);
|
||||
/* add in hash table */
|
||||
e->hash_next = s1->cached_includes_hash[h];
|
||||
s1->cached_includes_hash[h] = s1->nb_cached_includes;
|
||||
@ -1665,7 +1665,7 @@ static void pragma_parse(TCCState *s1)
|
||||
if (tok != TOK_STR)
|
||||
goto pragma_err;
|
||||
file = tcc_strdup((char *)tokc.str.data);
|
||||
dynarray_add((void ***)&s1->pragma_libs, &s1->nb_pragma_libs, file);
|
||||
dynarray_add(&s1->pragma_libs, &s1->nb_pragma_libs, file);
|
||||
next();
|
||||
if (tok != ')')
|
||||
goto pragma_err;
|
||||
@ -1820,7 +1820,7 @@ ST_FUNC void preprocess(int is_bof)
|
||||
printf("%s: including %s\n", file->prev->filename, file->filename);
|
||||
#endif
|
||||
/* update target deps */
|
||||
dynarray_add((void ***)&s1->target_deps, &s1->nb_target_deps,
|
||||
dynarray_add(&s1->target_deps, &s1->nb_target_deps,
|
||||
tcc_strdup(buf1));
|
||||
/* push current file in stack */
|
||||
++s1->include_stack_ptr;
|
||||
|
||||
@ -224,7 +224,7 @@ static int is64_type(int t)
|
||||
}
|
||||
|
||||
/* instruction + 4 bytes data. Return the address of the data */
|
||||
ST_FUNC int oad(int c, int s)
|
||||
static int oad(int c, int s)
|
||||
{
|
||||
int t;
|
||||
if (nocode_wanted)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user