diff options
Diffstat (limited to 'tcg/sparc/tcg-target.c')
| -rw-r--r-- | tcg/sparc/tcg-target.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c index 58f86d3..33fb9b4 100644 --- a/tcg/sparc/tcg-target.c +++ b/tcg/sparc/tcg-target.c @@ -839,16 +839,34 @@ static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args, s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf; break; case INDEX_op_call: - if (const_args[0]) { - tcg_out32(s, CALL | ((((tcg_target_ulong)args[0] - - (tcg_target_ulong)s->code_ptr) >> 2) - & 0x3fffffff)); - tcg_out_nop(s); - } else { - tcg_out_ld_ptr(s, TCG_REG_I5, (tcg_target_long)(s->tb_next + args[0])); - tcg_out32(s, JMPL | INSN_RD(TCG_REG_O7) | INSN_RS1(TCG_REG_I5) | - INSN_RS2(TCG_REG_G0)); - tcg_out_nop(s); + { + unsigned int st_op, ld_op; + +#ifdef __arch64__ + st_op = STX; + ld_op = LDX; +#else + st_op = STW; + ld_op = LDUW; +#endif + if (const_args[0]) + tcg_out32(s, CALL | ((((tcg_target_ulong)args[0] + - (tcg_target_ulong)s->code_ptr) >> 2) + & 0x3fffffff)); + else { + tcg_out_ld_ptr(s, TCG_REG_I5, + (tcg_target_long)(s->tb_next + args[0])); + tcg_out32(s, JMPL | INSN_RD(TCG_REG_O7) | INSN_RS1(TCG_REG_I5) | + INSN_RS2(TCG_REG_G0)); + } + /* Store AREG0 in stack to avoid ugly glibc bugs that mangle + global registers */ + tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK, + TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), + st_op); // delay slot + tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK, + TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), + ld_op); } break; case INDEX_op_jmp: |
