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fix arm-gen.c -> gcall_or_jmp to VT_CONST

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general 2018-12-22 19:48:56 +08:00
parent 82abfd75f3
commit bf09349f8e
1 changed files with 20 additions and 17 deletions
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37
arm-gen.c
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@ -739,25 +739,28 @@ static void gadd_sp(int val)
static void gcall_or_jmp(int is_jmp)
{
int r;
uint32_t x;
if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) {
uint32_t x;
/* constant case */
x=encbranch(ind,ind+vtop->c.i,0);
if(x) {
if (vtop->r & VT_SYM) {
/* relocation case */
greloc(cur_text_section, vtop->sym, ind, R_ARM_PC24);
} else
put_elf_reloc(symtab_section, cur_text_section, ind, R_ARM_PC24, 0);
o(x|(is_jmp?0xE0000000:0xE1000000));
} else {
if(!is_jmp)
o(0xE28FE004); // add lr,pc,#4
o(0xE51FF004); // ldr pc,[pc,#-4]
if (vtop->r & VT_SYM)
greloc(cur_text_section, vtop->sym, ind, R_ARM_ABS32);
o(vtop->c.i);
}
if(vtop->r & VT_SYM){
x=encbranch(ind,ind+vtop->c.i,0);
if(x) {
/* relocation case */
greloc(cur_text_section, vtop->sym, ind, R_ARM_PC24);
o(x|(is_jmp?0xE0000000:0xE1000000));
} else {
if(!is_jmp)
o(0xE28FE004); // add lr,pc,#4
o(0xE51FF004); // ldr pc,[pc,#-4]
greloc(cur_text_section, vtop->sym, ind, R_ARM_ABS32);
o(vtop->c.i);
}
}else{
if(!is_jmp)
o(0xE28FE004); // add lr,pc,#4
o(0xE51FF004); // ldr pc,[pc,#-4]
o(vtop->c.i);
}
} else {
/* otherwise, indirect call */
r = gv(RC_INT);