diff options
Diffstat (limited to 'tinyc/tccasm.c')
| -rwxr-xr-x | tinyc/tccasm.c | 1021 |
1 files changed, 0 insertions, 1021 deletions
diff --git a/tinyc/tccasm.c b/tinyc/tccasm.c deleted file mode 100755 index 8834b53fb..000000000 --- a/tinyc/tccasm.c +++ /dev/null @@ -1,1021 +0,0 @@ -/* - * GAS like assembler for TCC - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -static int asm_get_local_label_name(TCCState *s1, unsigned int n) -{ - char buf[64]; - TokenSym *ts; - - snprintf(buf, sizeof(buf), "L..%u", n); - ts = tok_alloc(buf, strlen(buf)); - return ts->tok; -} - -static void asm_expr(TCCState *s1, ExprValue *pe); - -/* We do not use the C expression parser to handle symbols. Maybe the - C expression parser could be tweaked to do so. */ - -static void asm_expr_unary(TCCState *s1, ExprValue *pe) -{ - Sym *sym; - int op, n, label; - const char *p; - - switch(tok) { - case TOK_PPNUM: - p = tokc.cstr->data; - n = strtoul(p, (char **)&p, 0); - if (*p == 'b' || *p == 'f') { - /* backward or forward label */ - label = asm_get_local_label_name(s1, n); - sym = label_find(label); - if (*p == 'b') { - /* backward : find the last corresponding defined label */ - if (sym && sym->r == 0) - sym = sym->prev_tok; - if (!sym) - error("local label '%d' not found backward", n); - } else { - /* forward */ - if (!sym || sym->r) { - /* if the last label is defined, then define a new one */ - sym = label_push(&s1->asm_labels, label, 0); - sym->type.t = VT_STATIC | VT_VOID; - } - } - pe->v = 0; - pe->sym = sym; - } else if (*p == '\0') { - pe->v = n; - pe->sym = NULL; - } else { - error("invalid number syntax"); - } - next(); - break; - case '+': - next(); - asm_expr_unary(s1, pe); - break; - case '-': - case '~': - op = tok; - next(); - asm_expr_unary(s1, pe); - if (pe->sym) - error("invalid operation with label"); - if (op == '-') - pe->v = -pe->v; - else - pe->v = ~pe->v; - break; - case TOK_CCHAR: - case TOK_LCHAR: - pe->v = tokc.i; - pe->sym = NULL; - next(); - break; - case '(': - next(); - asm_expr(s1, pe); - skip(')'); - break; - default: - if (tok >= TOK_IDENT) { - /* label case : if the label was not found, add one */ - sym = label_find(tok); - if (!sym) { - sym = label_push(&s1->asm_labels, tok, 0); - /* NOTE: by default, the symbol is global */ - sym->type.t = VT_VOID; - } - if (sym->r == SHN_ABS) { - /* if absolute symbol, no need to put a symbol value */ - pe->v = (long)sym->next; - pe->sym = NULL; - } else { - pe->v = 0; - pe->sym = sym; - } - next(); - } else { - error("bad expression syntax [%s]", get_tok_str(tok, &tokc)); - } - break; - } -} - -static void asm_expr_prod(TCCState *s1, ExprValue *pe) -{ - int op; - ExprValue e2; - - asm_expr_unary(s1, pe); - for(;;) { - op = tok; - if (op != '*' && op != '/' && op != '%' && - op != TOK_SHL && op != TOK_SAR) - break; - next(); - asm_expr_unary(s1, &e2); - if (pe->sym || e2.sym) - error("invalid operation with label"); - switch(op) { - case '*': - pe->v *= e2.v; - break; - case '/': - if (e2.v == 0) { - div_error: - error("division by zero"); - } - pe->v /= e2.v; - break; - case '%': - if (e2.v == 0) - goto div_error; - pe->v %= e2.v; - break; - case TOK_SHL: - pe->v <<= e2.v; - break; - default: - case TOK_SAR: - pe->v >>= e2.v; - break; - } - } -} - -static void asm_expr_logic(TCCState *s1, ExprValue *pe) -{ - int op; - ExprValue e2; - - asm_expr_prod(s1, pe); - for(;;) { - op = tok; - if (op != '&' && op != '|' && op != '^') - break; - next(); - asm_expr_prod(s1, &e2); - if (pe->sym || e2.sym) - error("invalid operation with label"); - switch(op) { - case '&': - pe->v &= e2.v; - break; - case '|': - pe->v |= e2.v; - break; - default: - case '^': - pe->v ^= e2.v; - break; - } - } -} - -static inline void asm_expr_sum(TCCState *s1, ExprValue *pe) -{ - int op; - ExprValue e2; - - asm_expr_logic(s1, pe); - for(;;) { - op = tok; - if (op != '+' && op != '-') - break; - next(); - asm_expr_logic(s1, &e2); - if (op == '+') { - if (pe->sym != NULL && e2.sym != NULL) - goto cannot_relocate; - pe->v += e2.v; - if (pe->sym == NULL && e2.sym != NULL) - pe->sym = e2.sym; - } else { - pe->v -= e2.v; - /* NOTE: we are less powerful than gas in that case - because we store only one symbol in the expression */ - if (!pe->sym && !e2.sym) { - /* OK */ - } else if (pe->sym && !e2.sym) { - /* OK */ - } else if (pe->sym && e2.sym) { - if (pe->sym == e2.sym) { - /* OK */ - } else if (pe->sym->r == e2.sym->r && pe->sym->r != 0) { - /* we also accept defined symbols in the same section */ - pe->v += (long)pe->sym->next - (long)e2.sym->next; - } else { - goto cannot_relocate; - } - pe->sym = NULL; /* same symbols can be substracted to NULL */ - } else { - cannot_relocate: - error("invalid operation with label"); - } - } - } -} - -static void asm_expr(TCCState *s1, ExprValue *pe) -{ - asm_expr_sum(s1, pe); -} - -static int asm_int_expr(TCCState *s1) -{ - ExprValue e; - asm_expr(s1, &e); - if (e.sym) - expect("constant"); - return e.v; -} - -/* NOTE: the same name space as C labels is used to avoid using too - much memory when storing labels in TokenStrings */ -static void asm_new_label1(TCCState *s1, int label, int is_local, - int sh_num, int value) -{ - Sym *sym; - - sym = label_find(label); - if (sym) { - if (sym->r) { - /* the label is already defined */ - if (!is_local) { - error("assembler label '%s' already defined", - get_tok_str(label, NULL)); - } else { - /* redefinition of local labels is possible */ - goto new_label; - } - } - } else { - new_label: - sym = label_push(&s1->asm_labels, label, 0); - sym->type.t = VT_STATIC | VT_VOID; - } - sym->r = sh_num; - sym->next = (void *)value; -} - -static void asm_new_label(TCCState *s1, int label, int is_local) -{ - asm_new_label1(s1, label, is_local, cur_text_section->sh_num, ind); -} - -static void asm_free_labels(TCCState *st) -{ - Sym *s, *s1; - Section *sec; - - for(s = st->asm_labels; s != NULL; s = s1) { - s1 = s->prev; - /* define symbol value in object file */ - if (s->r) { - if (s->r == SHN_ABS) - sec = SECTION_ABS; - else - sec = st->sections[s->r]; - put_extern_sym2(s, sec, (long)s->next, 0, 0); - } - /* remove label */ - table_ident[s->v - TOK_IDENT]->sym_label = NULL; - sym_free(s); - } - st->asm_labels = NULL; -} - -static void use_section1(TCCState *s1, Section *sec) -{ - cur_text_section->data_offset = ind; - cur_text_section = sec; - ind = cur_text_section->data_offset; -} - -static void use_section(TCCState *s1, const char *name) -{ - Section *sec; - sec = find_section(s1, name); - use_section1(s1, sec); -} - -static void asm_parse_directive(TCCState *s1) -{ - int n, offset, v, size, tok1; - Section *sec; - uint8_t *ptr; - - /* assembler directive */ - next(); - sec = cur_text_section; - switch(tok) { - case TOK_ASM_align: - case TOK_ASM_skip: - case TOK_ASM_space: - tok1 = tok; - next(); - n = asm_int_expr(s1); - if (tok1 == TOK_ASM_align) { - if (n < 0 || (n & (n-1)) != 0) - error("alignment must be a positive power of two"); - offset = (ind + n - 1) & -n; - size = offset - ind; - /* the section must have a compatible alignment */ - if (sec->sh_addralign < n) - sec->sh_addralign = n; - } else { - size = n; - } - v = 0; - if (tok == ',') { - next(); - v = asm_int_expr(s1); - } - zero_pad: - if (sec->sh_type != SHT_NOBITS) { - sec->data_offset = ind; - ptr = section_ptr_add(sec, size); - memset(ptr, v, size); - } - ind += size; - break; - case TOK_ASM_quad: - next(); - for(;;) { - uint64_t vl; - const char *p; - - p = tokc.cstr->data; - if (tok != TOK_PPNUM) { - error_constant: - error("64 bit constant"); - } - vl = strtoll(p, (char **)&p, 0); - if (*p != '\0') - goto error_constant; - next(); - if (sec->sh_type != SHT_NOBITS) { - /* XXX: endianness */ - gen_le32(vl); - gen_le32(vl >> 32); - } else { - ind += 8; - } - if (tok != ',') - break; - next(); - } - break; - case TOK_ASM_byte: - size = 1; - goto asm_data; - case TOK_ASM_word: - case TOK_SHORT: - size = 2; - goto asm_data; - case TOK_LONG: - case TOK_INT: - size = 4; - asm_data: - next(); - for(;;) { - ExprValue e; - asm_expr(s1, &e); - if (sec->sh_type != SHT_NOBITS) { - if (size == 4) { - gen_expr32(&e); - } else { - if (e.sym) - expect("constant"); - if (size == 1) - g(e.v); - else - gen_le16(e.v); - } - } else { - ind += size; - } - if (tok != ',') - break; - next(); - } - break; - case TOK_ASM_fill: - { - int repeat, size, val, i, j; - uint8_t repeat_buf[8]; - next(); - repeat = asm_int_expr(s1); - if (repeat < 0) { - error("repeat < 0; .fill ignored"); - break; - } - size = 1; - val = 0; - if (tok == ',') { - next(); - size = asm_int_expr(s1); - if (size < 0) { - error("size < 0; .fill ignored"); - break; - } - if (size > 8) - size = 8; - if (tok == ',') { - next(); - val = asm_int_expr(s1); - } - } - /* XXX: endianness */ - repeat_buf[0] = val; - repeat_buf[1] = val >> 8; - repeat_buf[2] = val >> 16; - repeat_buf[3] = val >> 24; - repeat_buf[4] = 0; - repeat_buf[5] = 0; - repeat_buf[6] = 0; - repeat_buf[7] = 0; - for(i = 0; i < repeat; i++) { - for(j = 0; j < size; j++) { - g(repeat_buf[j]); - } - } - } - break; - case TOK_ASM_org: - { - unsigned long n; - next(); - /* XXX: handle section symbols too */ - n = asm_int_expr(s1); - if (n < ind) - error("attempt to .org backwards"); - v = 0; - size = n - ind; - goto zero_pad; - } - break; - case TOK_ASM_globl: - case TOK_ASM_global: - { - Sym *sym; - - next(); - sym = label_find(tok); - if (!sym) { - sym = label_push(&s1->asm_labels, tok, 0); - sym->type.t = VT_VOID; - } - sym->type.t &= ~VT_STATIC; - next(); - } - break; - case TOK_ASM_string: - case TOK_ASM_ascii: - case TOK_ASM_asciz: - { - const uint8_t *p; - int i, size, t; - - t = tok; - next(); - for(;;) { - if (tok != TOK_STR) - expect("string constant"); - p = tokc.cstr->data; - size = tokc.cstr->size; - if (t == TOK_ASM_ascii && size > 0) - size--; - for(i = 0; i < size; i++) - g(p[i]); - next(); - if (tok == ',') { - next(); - } else if (tok != TOK_STR) { - break; - } - } - } - break; - case TOK_ASM_text: - case TOK_ASM_data: - case TOK_ASM_bss: - { - char sname[64]; - tok1 = tok; - n = 0; - next(); - if (tok != ';' && tok != TOK_LINEFEED) { - n = asm_int_expr(s1); - next(); - } - sprintf(sname, (n?".%s%d":".%s"), get_tok_str(tok1, NULL), n); - use_section(s1, sname); - } - break; - case TOK_SECTION1: - { - char sname[256]; - - /* XXX: support more options */ - next(); - sname[0] = '\0'; - while (tok != ';' && tok != TOK_LINEFEED && tok != ',') { - if (tok == TOK_STR) - pstrcat(sname, sizeof(sname), tokc.cstr->data); - else - pstrcat(sname, sizeof(sname), get_tok_str(tok, NULL)); - next(); - } - if (tok == ',') { - /* skip section options */ - next(); - if (tok != TOK_STR) - expect("string constant"); - next(); - } - last_text_section = cur_text_section; - use_section(s1, sname); - } - break; - case TOK_ASM_previous: - { - Section *sec; - next(); - if (!last_text_section) - error("no previous section referenced"); - sec = cur_text_section; - use_section1(s1, last_text_section); - last_text_section = sec; - } - break; - default: - error("unknown assembler directive '.%s'", get_tok_str(tok, NULL)); - break; - } -} - - -/* assemble a file */ -static int tcc_assemble_internal(TCCState *s1, int do_preprocess) -{ - int opcode; - -#if 0 - /* print stats about opcodes */ - { - const ASMInstr *pa; - int freq[4]; - int op_vals[500]; - int nb_op_vals, i, j; - - nb_op_vals = 0; - memset(freq, 0, sizeof(freq)); - for(pa = asm_instrs; pa->sym != 0; pa++) { - freq[pa->nb_ops]++; - for(i=0;i<pa->nb_ops;i++) { - for(j=0;j<nb_op_vals;j++) { - if (pa->op_type[i] == op_vals[j]) - goto found; - } - op_vals[nb_op_vals++] = pa->op_type[i]; - found: ; - } - } - for(i=0;i<nb_op_vals;i++) { - int v = op_vals[i]; - if ((v & (v - 1)) != 0) - printf("%3d: %08x\n", i, v); - } - printf("size=%d nb=%d f0=%d f1=%d f2=%d f3=%d\n", - sizeof(asm_instrs), sizeof(asm_instrs) / sizeof(ASMInstr), - freq[0], freq[1], freq[2], freq[3]); - } -#endif - - /* XXX: undefine C labels */ - - ch = file->buf_ptr[0]; - tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF; - parse_flags = PARSE_FLAG_ASM_COMMENTS; - if (do_preprocess) - parse_flags |= PARSE_FLAG_PREPROCESS; - next(); - for(;;) { - if (tok == TOK_EOF) - break; - parse_flags |= PARSE_FLAG_LINEFEED; /* XXX: suppress that hack */ - redo: - if (tok == '#') { - /* horrible gas comment */ - while (tok != TOK_LINEFEED) - next(); - } else if (tok == '.') { - asm_parse_directive(s1); - } else if (tok == TOK_PPNUM) { - const char *p; - int n; - p = tokc.cstr->data; - n = strtoul(p, (char **)&p, 10); - if (*p != '\0') - expect("':'"); - /* new local label */ - asm_new_label(s1, asm_get_local_label_name(s1, n), 1); - next(); - skip(':'); - goto redo; - } else if (tok >= TOK_IDENT) { - /* instruction or label */ - opcode = tok; - next(); - if (tok == ':') { - /* new label */ - asm_new_label(s1, opcode, 0); - next(); - goto redo; - } else if (tok == '=') { - int n; - next(); - n = asm_int_expr(s1); - asm_new_label1(s1, opcode, 0, SHN_ABS, n); - goto redo; - } else { - asm_opcode(s1, opcode); - } - } - /* end of line */ - if (tok != ';' && tok != TOK_LINEFEED){ - expect("end of line"); - } - parse_flags &= ~PARSE_FLAG_LINEFEED; /* XXX: suppress that hack */ - next(); - } - - asm_free_labels(s1); - - return 0; -} - -/* Assemble the current file */ -static int tcc_assemble(TCCState *s1, int do_preprocess) -{ - Sym *define_start; - int ret; - - preprocess_init(s1); - - /* default section is text */ - cur_text_section = text_section; - ind = cur_text_section->data_offset; - - define_start = define_stack; - - ret = tcc_assemble_internal(s1, do_preprocess); - - cur_text_section->data_offset = ind; - - free_defines(define_start); - - return ret; -} - -/********************************************************************/ -/* GCC inline asm support */ - -/* assemble the string 'str' in the current C compilation unit without - C preprocessing. NOTE: str is modified by modifying the '\0' at the - end */ -static void tcc_assemble_inline(TCCState *s1, char *str, int len) -{ - BufferedFile *bf, *saved_file; - int saved_parse_flags, *saved_macro_ptr; - - bf = tcc_malloc(sizeof(BufferedFile)); - memset(bf, 0, sizeof(BufferedFile)); - bf->fd = -1; - bf->buf_ptr = str; - bf->buf_end = str + len; - str[len] = CH_EOB; - /* same name as current file so that errors are correctly - reported */ - pstrcpy(bf->filename, sizeof(bf->filename), file->filename); - bf->line_num = file->line_num; - saved_file = file; - file = bf; - saved_parse_flags = parse_flags; - saved_macro_ptr = macro_ptr; - macro_ptr = NULL; - - tcc_assemble_internal(s1, 0); - - parse_flags = saved_parse_flags; - macro_ptr = saved_macro_ptr; - file = saved_file; - tcc_free(bf); -} - -/* find a constraint by its number or id (gcc 3 extended - syntax). return -1 if not found. Return in *pp in char after the - constraint */ -static int find_constraint(ASMOperand *operands, int nb_operands, - const char *name, const char **pp) -{ - int index; - TokenSym *ts; - const char *p; - - if (isnum(*name)) { - index = 0; - while (isnum(*name)) { - index = (index * 10) + (*name) - '0'; - name++; - } - if ((unsigned)index >= nb_operands) - index = -1; - } else if (*name == '[') { - name++; - p = strchr(name, ']'); - if (p) { - ts = tok_alloc(name, p - name); - for(index = 0; index < nb_operands; index++) { - if (operands[index].id == ts->tok) - goto found; - } - index = -1; - found: - name = p + 1; - } else { - index = -1; - } - } else { - index = -1; - } - if (pp) - *pp = name; - return index; -} - -static void subst_asm_operands(ASMOperand *operands, int nb_operands, - int nb_outputs, - CString *out_str, CString *in_str) -{ - int c, index, modifier; - const char *str; - ASMOperand *op; - SValue sv; - - cstr_new(out_str); - str = in_str->data; - for(;;) { - c = *str++; - if (c == '%') { - if (*str == '%') { - str++; - goto add_char; - } - modifier = 0; - if (*str == 'c' || *str == 'n' || - *str == 'b' || *str == 'w' || *str == 'h') - modifier = *str++; - index = find_constraint(operands, nb_operands, str, &str); - if (index < 0) - error("invalid operand reference after %%"); - op = &operands[index]; - sv = *op->vt; - if (op->reg >= 0) { - sv.r = op->reg; - if ((op->vt->r & VT_VALMASK) == VT_LLOCAL && op->is_memory) - sv.r |= VT_LVAL; - } - subst_asm_operand(out_str, &sv, modifier); - } else { - add_char: - cstr_ccat(out_str, c); - if (c == '\0') - break; - } - } -} - - -static void parse_asm_operands(ASMOperand *operands, int *nb_operands_ptr, - int is_output) -{ - ASMOperand *op; - int nb_operands; - - if (tok != ':') { - nb_operands = *nb_operands_ptr; - for(;;) { - if (nb_operands >= MAX_ASM_OPERANDS) - error("too many asm operands"); - op = &operands[nb_operands++]; - op->id = 0; - if (tok == '[') { - next(); - if (tok < TOK_IDENT) - expect("identifier"); - op->id = tok; - next(); - skip(']'); - } - if (tok != TOK_STR) - expect("string constant"); - op->constraint = tcc_malloc(tokc.cstr->size); - strcpy(op->constraint, tokc.cstr->data); - next(); - skip('('); - gexpr(); - if (is_output) { - test_lvalue(); - } else { - /* we want to avoid LLOCAL case, except when the 'm' - constraint is used. Note that it may come from - register storage, so we need to convert (reg) - case */ - if ((vtop->r & VT_LVAL) && - ((vtop->r & VT_VALMASK) == VT_LLOCAL || - (vtop->r & VT_VALMASK) < VT_CONST) && - !strchr(op->constraint, 'm')) { - gv(RC_INT); - } - } - op->vt = vtop; - skip(')'); - if (tok == ',') { - next(); - } else { - break; - } - } - *nb_operands_ptr = nb_operands; - } -} - -static void parse_asm_str(CString *astr) -{ - skip('('); - /* read the string */ - if (tok != TOK_STR) - expect("string constant"); - cstr_new(astr); - while (tok == TOK_STR) { - /* XXX: add \0 handling too ? */ - cstr_cat(astr, tokc.cstr->data); - next(); - } - cstr_ccat(astr, '\0'); -} - -/* parse the GCC asm() instruction */ -static void asm_instr(void) -{ - CString astr, astr1; - ASMOperand operands[MAX_ASM_OPERANDS]; - int nb_inputs, nb_outputs, nb_operands, i, must_subst, out_reg; - uint8_t clobber_regs[NB_ASM_REGS]; - - next(); - /* since we always generate the asm() instruction, we can ignore - volatile */ - if (tok == TOK_VOLATILE1 || tok == TOK_VOLATILE2 || tok == TOK_VOLATILE3) { - next(); - } - parse_asm_str(&astr); - nb_operands = 0; - nb_outputs = 0; - must_subst = 0; - memset(clobber_regs, 0, sizeof(clobber_regs)); - if (tok == ':') { - next(); - must_subst = 1; - /* output args */ - parse_asm_operands(operands, &nb_operands, 1); - nb_outputs = nb_operands; - if (tok == ':') { - next(); - if (tok != ')') { - /* input args */ - parse_asm_operands(operands, &nb_operands, 0); - if (tok == ':') { - /* clobber list */ - /* XXX: handle registers */ - next(); - for(;;) { - if (tok != TOK_STR) - expect("string constant"); - asm_clobber(clobber_regs, tokc.cstr->data); - next(); - if (tok == ',') { - next(); - } else { - break; - } - } - } - } - } - } - skip(')'); - /* NOTE: we do not eat the ';' so that we can restore the current - token after the assembler parsing */ - if (tok != ';') - expect("';'"); - nb_inputs = nb_operands - nb_outputs; - - /* save all values in the memory */ - save_regs(0); - - /* compute constraints */ - asm_compute_constraints(operands, nb_operands, nb_outputs, - clobber_regs, &out_reg); - - /* substitute the operands in the asm string. No substitution is - done if no operands (GCC behaviour) */ -#ifdef ASM_DEBUG - printf("asm: \"%s\"\n", (char *)astr.data); -#endif - if (must_subst) { - subst_asm_operands(operands, nb_operands, nb_outputs, &astr1, &astr); - cstr_free(&astr); - } else { - astr1 = astr; - } -#ifdef ASM_DEBUG - printf("subst_asm: \"%s\"\n", (char *)astr1.data); -#endif - - /* generate loads */ - asm_gen_code(operands, nb_operands, nb_outputs, 0, - clobber_regs, out_reg); - - /* assemble the string with tcc internal assembler */ - tcc_assemble_inline(tcc_state, astr1.data, astr1.size - 1); - - /* restore the current C token */ - next(); - - /* store the output values if needed */ - asm_gen_code(operands, nb_operands, nb_outputs, 1, - clobber_regs, out_reg); - - /* free everything */ - for(i=0;i<nb_operands;i++) { - ASMOperand *op; - op = &operands[i]; - tcc_free(op->constraint); - vpop(); - } - cstr_free(&astr1); -} - -static void asm_global_instr(void) -{ - CString astr; - - next(); - parse_asm_str(&astr); - skip(')'); - /* NOTE: we do not eat the ';' so that we can restore the current - token after the assembler parsing */ - if (tok != ';') - expect("';'"); - -#ifdef ASM_DEBUG - printf("asm_global: \"%s\"\n", (char *)astr.data); -#endif - cur_text_section = text_section; - ind = cur_text_section->data_offset; - - /* assemble the string with tcc internal assembler */ - tcc_assemble_inline(tcc_state, astr.data, astr.size - 1); - - cur_text_section->data_offset = ind; - - /* restore the current C token */ - next(); - - cstr_free(&astr); -} |