added 16-bit x86 assembly support

tcc-xref
Frederic Feret 2009-08-27 09:34:35 +02:00 committed by grischka
parent 2349efa61b
commit 0d768b9713
8 changed files with 245 additions and 37 deletions

4
elf.h
View File

@ -949,6 +949,10 @@ typedef struct
/* Keep this the last entry. */ /* Keep this the last entry. */
#define R_386_NUM 11 #define R_386_NUM 11
/* TCC-specific 16-bit relocs. */
#define R_386_16 12 /* Direct 16 bit */
#define R_386_PC16 13 /* PC relative 16 bit */
/* SUN SPARC specific definitions. */ /* SUN SPARC specific definitions. */
/* Values for Elf64_Ehdr.e_flags. */ /* Values for Elf64_Ehdr.e_flags. */

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@ -116,8 +116,6 @@ static const uint8_t reg_to_size[5] = {
*/ */
0, 0, 1, 0, 2 0, 0, 1, 0, 2
}; };
#define WORD_PREFIX_OPCODE 0x66
#define NB_TEST_OPCODES 30 #define NB_TEST_OPCODES 30
@ -190,6 +188,10 @@ static inline int get_reg_shift(TCCState *s1)
{ {
int shift, v; int shift, v;
if (s1->seg_size == 16) {
error("invalid effective address");
}
v = asm_int_expr(s1); v = asm_int_expr(s1);
switch(v) { switch(v) {
case 1: case 1:
@ -222,9 +224,13 @@ static int asm_parse_reg(void)
reg = tok - TOK_ASM_eax; reg = tok - TOK_ASM_eax;
next(); next();
return reg; return reg;
} else if (tok >= TOK_ASM_ax && tok <= TOK_ASM_di) {
reg = tok - TOK_ASM_ax;
next();
return reg;
} else { } else {
error_32: error_32:
expect("32 bit register"); expect("register");
return 0; return 0;
} }
} }
@ -336,6 +342,12 @@ static void parse_operand(TCCState *s1, Operand *op)
op->type |= indir; op->type |= indir;
} }
static void gen_le16(int v)
{
g(v);
g(v >> 8);
}
/* XXX: unify with C code output ? */ /* XXX: unify with C code output ? */
static void gen_expr32(ExprValue *pe) static void gen_expr32(ExprValue *pe)
{ {
@ -344,6 +356,13 @@ static void gen_expr32(ExprValue *pe)
gen_le32(pe->v); gen_le32(pe->v);
} }
static void gen_expr16(ExprValue *pe)
{
if (pe->sym)
greloc(cur_text_section, pe->sym, ind, R_386_16);
gen_le16(pe->v);
}
/* XXX: unify with C code output ? */ /* XXX: unify with C code output ? */
static void gen_disp32(ExprValue *pe) static void gen_disp32(ExprValue *pe)
{ {
@ -368,11 +387,27 @@ static void gen_disp32(ExprValue *pe)
} }
} }
static void gen_disp16(ExprValue *pe)
static void gen_le16(int v)
{ {
g(v); Sym *sym;
g(v >> 8); sym = pe->sym;
if (sym) {
if (sym->r == cur_text_section->sh_num) {
/* same section: we can output an absolute value. Note
that the TCC compiler behaves differently here because
it always outputs a relocation to ease (future) code
elimination in the linker */
gen_le16(pe->v + (long)sym->next - ind - 2);
} else {
greloc(cur_text_section, sym, ind, R_386_PC16);
gen_le16(pe->v - 2);
}
} else {
/* put an empty PC32 relocation */
put_elf_reloc(symtab_section, cur_text_section,
ind, R_386_PC16, 0);
gen_le16(pe->v - 2);
}
} }
/* generate the modrm operand */ /* generate the modrm operand */
@ -384,8 +419,13 @@ static inline void asm_modrm(int reg, Operand *op)
g(0xc0 + (reg << 3) + op->reg); g(0xc0 + (reg << 3) + op->reg);
} else if (op->reg == -1 && op->reg2 == -1) { } else if (op->reg == -1 && op->reg2 == -1) {
/* displacement only */ /* displacement only */
g(0x05 + (reg << 3)); if (tcc_state->seg_size == 16) {
gen_expr32(&op->e); g(0x06 + (reg << 3));
gen_expr16(&op->e);
} else if (tcc_state->seg_size == 32) {
g(0x05 + (reg << 3));
gen_expr32(&op->e);
}
} else { } else {
sib_reg1 = op->reg; sib_reg1 = op->reg;
/* fist compute displacement encoding */ /* fist compute displacement encoding */
@ -403,20 +443,59 @@ static inline void asm_modrm(int reg, Operand *op)
reg1 = op->reg; reg1 = op->reg;
if (op->reg2 != -1) if (op->reg2 != -1)
reg1 = 4; reg1 = 4;
g(mod + (reg << 3) + reg1); if (tcc_state->seg_size == 32) {
if (reg1 == 4) { g(mod + (reg << 3) + reg1);
/* add sib byte */ if (reg1 == 4) {
reg2 = op->reg2; /* add sib byte */
if (reg2 == -1) reg2 = op->reg2;
reg2 = 4; /* indicate no index */ if (reg2 == -1)
g((op->shift << 6) + (reg2 << 3) + sib_reg1); reg2 = 4; /* indicate no index */
g((op->shift << 6) + (reg2 << 3) + sib_reg1);
}
} else if (tcc_state->seg_size == 16) {
/* edi = 7, esi = 6 --> di = 5, si = 4 */
if ((reg1 == 6) || (reg1 == 7)) {
reg1 -= 2;
/* ebx = 3 --> bx = 7 */
} else if (reg1 == 3) {
reg1 = 7;
/* o32 = 5 --> o16 = 6 */
} else if (reg1 == 5) {
reg1 = 6;
/* sib not valid in 16-bit mode */
} else if (reg1 == 4) {
reg2 = op->reg2;
/* bp + si + offset */
if ((sib_reg1 == 5) && (reg2 == 6)) {
reg1 = 2;
/* bp + di + offset */
} else if ((sib_reg1 == 5) && (reg2 == 7)) {
reg1 = 3;
/* bx + si + offset */
} else if ((sib_reg1 == 3) && (reg2 == 6)) {
reg1 = 0;
/* bx + di + offset */
} else if ((sib_reg1 == 3) && (reg2 == 7)) {
reg1 = 1;
} else {
error("invalid effective address");
}
if (op->e.v == 0)
mod = 0;
} else {
error("invalid register");
}
g(mod + (reg << 3) + reg1);
} }
/* add offset */ /* add offset */
if (mod == 0x40) { if (mod == 0x40) {
g(op->e.v); g(op->e.v);
} else if (mod == 0x80 || op->reg == -1) { } else if (mod == 0x80 || op->reg == -1) {
gen_expr32(&op->e); if (tcc_state->seg_size == 16)
gen_expr16(&op->e);
else if (tcc_state->seg_size == 32)
gen_expr32(&op->e);
} }
} }
} }
@ -428,6 +507,7 @@ static void asm_opcode(TCCState *s1, int opcode)
int nb_ops, s, ss; int nb_ops, s, ss;
Operand ops[MAX_OPERANDS], *pop; Operand ops[MAX_OPERANDS], *pop;
int op_type[3]; /* decoded op type */ int op_type[3]; /* decoded op type */
static int a32 = 0, o32 = 0, addr32 = 0, data32 = 0;
/* get operands */ /* get operands */
pop = ops; pop = ops;
@ -442,14 +522,17 @@ static void asm_opcode(TCCState *s1, int opcode)
parse_operand(s1, pop); parse_operand(s1, pop);
if (tok == ':') { if (tok == ':') {
if (pop->type != OP_SEG || seg_prefix) { if (pop->type != OP_SEG || seg_prefix) {
bad_prefix:
error("incorrect prefix"); error("incorrect prefix");
} }
seg_prefix = segment_prefixes[pop->reg]; seg_prefix = segment_prefixes[pop->reg];
next(); next();
parse_operand(s1, pop); parse_operand(s1, pop);
#if 0
if (!(pop->type & OP_EA)) { if (!(pop->type & OP_EA)) {
error("segment prefix must be followed by memory reference"); error("segment prefix must be followed by memory reference");
} }
#endif
} }
pop++; pop++;
nb_ops++; nb_ops++;
@ -531,6 +614,17 @@ static void asm_opcode(TCCState *s1, int opcode)
if (opcode >= TOK_ASM_pusha && opcode <= TOK_ASM_emms) { if (opcode >= TOK_ASM_pusha && opcode <= TOK_ASM_emms) {
int b; int b;
b = op0_codes[opcode - TOK_ASM_pusha]; b = op0_codes[opcode - TOK_ASM_pusha];
if (opcode == TOK_ASM_o32) {
if (s1->seg_size == 32)
goto bad_prefix;
else
o32 = data32 = 1;
} else if (opcode == TOK_ASM_a32) {
if (s1->seg_size == 32)
goto bad_prefix;
else
a32 = addr32 = 1;
}
if (b & 0xff00) if (b & 0xff00)
g(b >> 8); g(b >> 8);
g(b); g(b);
@ -555,12 +649,37 @@ static void asm_opcode(TCCState *s1, int opcode)
} }
} }
/* generate data16 prefix if needed */ for(i = 0; i < nb_ops; i++) {
if (ops[i].type & OP_REG32) {
if (s1->seg_size == 16)
o32 = 1;
} else if (!ops[i].type & OP_REG32) {
if (s1->seg_size == 32)
o32 = 1;
}
}
ss = s; ss = s;
if (s == 1 || (pa->instr_type & OPC_D16)) if (s == 1 || (pa->instr_type & OPC_D16)) {
g(WORD_PREFIX_OPCODE); if (s1->seg_size == 32)
else if (s == 2) o32 = 1;
} else if (s == 2) {
if (s1->seg_size == 16) {
if (!(pa->instr_type & OPC_D16))
o32 = 1;
}
s = 1; s = 1;
}
/* generate a16/a32 prefix if needed */
if ((a32 == 1) && (addr32 == 0))
g(0x67);
/* generate o16/o32 prefix if needed */
if ((o32 == 1) && (data32 == 0))
g(0x66);
addr32 = data32 = 0;
/* now generates the operation */ /* now generates the operation */
if (pa->instr_type & OPC_FWAIT) if (pa->instr_type & OPC_FWAIT)
g(0x9b); g(0x9b);
@ -685,9 +804,17 @@ static void asm_opcode(TCCState *s1, int opcode)
/* emit constants */ /* emit constants */
if (pa->opcode == 0x9a || pa->opcode == 0xea) { if (pa->opcode == 0x9a || pa->opcode == 0xea) {
/* ljmp or lcall kludge */ /* ljmp or lcall kludge */
gen_expr32(&ops[1].e); if (s1->seg_size == 16) {
if (ops[0].e.sym) if (o32 == 0)
gen_expr16(&ops[1].e);
else if (o32 == 1)
gen_expr32(&ops[1].e);
} else
gen_expr32(&ops[1].e);
if (ops[0].e.sym) {
error_relocate:
error("cannot relocate"); error("cannot relocate");
}
gen_le16(ops[0].e.v); gen_le16(ops[0].e.v);
} else { } else {
for(i = 0;i < nb_ops; i++) { for(i = 0;i < nb_ops; i++) {
@ -709,24 +836,48 @@ static void asm_opcode(TCCState *s1, int opcode)
goto error_relocate; goto error_relocate;
g(ops[i].e.v); g(ops[i].e.v);
} else if (v & OP_IM16) { } else if (v & OP_IM16) {
if (ops[i].e.sym) { if (s1->seg_size == 16)
error_relocate: gen_expr16(&ops[i].e);
error("cannot relocate"); else {
if (ops[i].e.sym)
goto error_relocate;
} }
gen_le16(ops[i].e.v); gen_le16(ops[i].e.v);
}
} else { } else {
if (pa->instr_type & (OPC_JMP | OPC_SHORTJMP)) { if (pa->instr_type & (OPC_JMP | OPC_SHORTJMP)) {
if (is_short_jmp) if (is_short_jmp)
g(ops[i].e.v); g(ops[i].e.v);
else else {
gen_disp32(&ops[i].e); if (s1->seg_size == 16)
gen_disp16(&ops[i].e);
else
gen_disp32(&ops[i].e);
}
} else { } else {
gen_expr32(&ops[i].e); if (s1->seg_size == 16) {
if ((o32 == 1) && (v & OP_IM32))
gen_expr32(&ops[i].e);
else
gen_expr16(&ops[i].e);
} else if (s1->seg_size == 32) {
if (o32 == 1)
gen_expr16(&ops[i].e);
else
gen_expr32(&ops[i].e);
}
} }
} }
} else if (v & (OP_REG16 | OP_REG32)) {
if (pa->instr_type & (OPC_JMP | OPC_SHORTJMP)) {
/* jmp $r */
g(0xE0 + ops[i].reg);
}
} }
} }
} }
a32 = o32 = 0;
} }
#define NB_SAVED_REGS 3 #define NB_SAVED_REGS 3
@ -1127,8 +1278,11 @@ static void asm_gen_code(ASMOperand *operands, int nb_operands,
/* generate reg save code */ /* generate reg save code */
for(i = 0; i < NB_SAVED_REGS; i++) { for(i = 0; i < NB_SAVED_REGS; i++) {
reg = reg_saved[i]; reg = reg_saved[i];
if (regs_allocated[reg]) if (regs_allocated[reg]) {
if (tcc_state->seg_size == 16)
g(0x66);
g(0x50 + reg); g(0x50 + reg);
}
} }
/* generate load code */ /* generate load code */
@ -1184,8 +1338,11 @@ static void asm_gen_code(ASMOperand *operands, int nb_operands,
/* generate reg restore code */ /* generate reg restore code */
for(i = NB_SAVED_REGS - 1; i >= 0; i--) { for(i = NB_SAVED_REGS - 1; i >= 0; i--) {
reg = reg_saved[i]; reg = reg_saved[i];
if (regs_allocated[reg]) if (regs_allocated[reg]) {
if (tcc_state->seg_size == 16)
g(0x66);
g(0x58 + reg); g(0x58 + reg);
}
} }
} }
} }

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@ -74,10 +74,8 @@ ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA
ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA))
/* prefixes */ /* prefixes */
DEF_ASM_OP0(aword, 0x67) DEF_ASM_OP0(addr32, 0x67)
DEF_ASM_OP0(addr16, 0x67) DEF_ASM_OP0(data32, 0x66)
DEF_ASM_OP0(word, 0x66)
DEF_ASM_OP0(data16, 0x66)
DEF_ASM_OP0(lock, 0xf0) DEF_ASM_OP0(lock, 0xf0)
DEF_ASM_OP0(rep, 0xf3) DEF_ASM_OP0(rep, 0xf3)
DEF_ASM_OP0(repe, 0xf3) DEF_ASM_OP0(repe, 0xf3)
@ -120,9 +118,9 @@ ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW))
ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA))
ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S))
ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32))
ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG))
DEF_ASM_OP1(pushb, 0x6a, 0, OPC_B, OPT_IM8S)
ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW))
ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA))
@ -201,6 +199,7 @@ ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR))
ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR))
ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR))
ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR))
ALT(DEF_ASM_OP1(jmp, 0xff, 0, OPC_JMP | OPC_WL, OPT_REGW))
ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32))
ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA))
@ -350,6 +349,9 @@ ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG))
DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA)
DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA)
/* 386 */
DEF_ASM_OP0(loadall386, 0x0f07)
/* 486 */ /* 486 */
DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 )
ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA ))
@ -363,7 +365,14 @@ ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT
DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA )
/* pentium pro */ /* pentium pro */
ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovno, 0x0f41, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovc, 0x0f42, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovnc, 0x0f43, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovz, 0x0f44, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovnz, 0x0f45, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovna, 0x0f46, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmova, 0x0f47, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 )
DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 )

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@ -1937,6 +1937,9 @@ TCCState *tcc_new(void)
#if defined(TCC_TARGET_PE) && 0 #if defined(TCC_TARGET_PE) && 0
/* XXX: currently the PE linker is not ready to support that */ /* XXX: currently the PE linker is not ready to support that */
s->leading_underscore = 1; s->leading_underscore = 1;
#endif
#ifdef TCC_TARGET_I386
s->seg_size = 32;
#endif #endif
return s; return s;
} }

4
tcc.h
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@ -512,6 +512,10 @@ struct TCCState {
struct InlineFunc **inline_fns; struct InlineFunc **inline_fns;
int nb_inline_fns; int nb_inline_fns;
#ifdef TCC_TARGET_I386
int seg_size;
#endif
#ifndef TCC_TARGET_PE #ifndef TCC_TARGET_PE
#ifdef TCC_TARGET_X86_64 #ifdef TCC_TARGET_X86_64
/* write PLT and GOT here */ /* write PLT and GOT here */

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@ -571,6 +571,20 @@ static void asm_parse_directive(TCCState *s1)
last_text_section = sec; last_text_section = sec;
} }
break; break;
#ifdef TCC_TARGET_I386
case TOK_ASM_code16:
{
next();
s1->seg_size = 16;
}
break;
case TOK_ASM_code32:
{
next();
s1->seg_size = 32;
}
break;
#endif
default: default:
error("unknown assembler directive '.%s'", get_tok_str(tok, NULL)); error("unknown assembler directive '.%s'", get_tok_str(tok, NULL));
break; break;

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@ -591,6 +591,18 @@ static void relocate_section(TCCState *s1, Section *s)
/* we load the got offset */ /* we load the got offset */
*(int *)ptr += s1->got_offsets[sym_index]; *(int *)ptr += s1->got_offsets[sym_index];
break; break;
case R_386_16:
if (s1->output_format != TCC_OUTPUT_FORMAT_BINARY) {
output_file:
error("can only produce 16-bit binary files");
}
*(short *)ptr += val;
break;
case R_386_PC16:
if (s1->output_format != TCC_OUTPUT_FORMAT_BINARY)
goto output_file;
*(short *)ptr += val - addr;
break;
#elif defined(TCC_TARGET_ARM) #elif defined(TCC_TARGET_ARM)
case R_ARM_PC24: case R_ARM_PC24:
case R_ARM_CALL: case R_ARM_CALL:

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@ -235,6 +235,7 @@
/* Tiny Assembler */ /* Tiny Assembler */
DEF_ASM(byte) DEF_ASM(byte)
DEF_ASM(word)
DEF_ASM(align) DEF_ASM(align)
DEF_ASM(skip) DEF_ASM(skip)
DEF_ASM(space) DEF_ASM(space)
@ -250,6 +251,10 @@
DEF_ASM(fill) DEF_ASM(fill)
DEF_ASM(org) DEF_ASM(org)
DEF_ASM(quad) DEF_ASM(quad)
#if defined(TCC_TARGET_I386)
DEF_ASM(code16)
DEF_ASM(code32)
#endif
#ifdef TCC_TARGET_I386 #ifdef TCC_TARGET_I386