amd64_lea_membase (code, AMD64_RAX, AMD64_RSP, stack_size + sizeof(mgreg_t));
amd64_mov_membase_reg (code, AMD64_RSP, regs_offset + (AMD64_RSP * sizeof(mgreg_t)), X86_EAX, sizeof(mgreg_t));
/* Save IP */
- if (llvm_abs)
- amd64_alu_reg_reg (code, X86_XOR, AMD64_RAX, AMD64_RAX);
- else
- amd64_mov_reg_membase (code, AMD64_RAX, AMD64_RSP, stack_size, sizeof(mgreg_t));
+ amd64_mov_reg_membase (code, AMD64_RAX, AMD64_RSP, stack_size, sizeof(mgreg_t));
amd64_mov_membase_reg (code, AMD64_RSP, regs_offset + (AMD64_RIP * sizeof(mgreg_t)), AMD64_RAX, sizeof(mgreg_t));
/* Set arg1 == ctx */
amd64_lea_membase (code, AMD64_RAX, AMD64_RSP, ctx_offset);
if (resume_unwind) {
amd64_mov_membase_imm (code, AMD64_RSP, arg_offsets [2], 0, sizeof(mgreg_t));
} else if (corlib) {
- amd64_mov_membase_reg (code, AMD64_RSP, arg_offsets [2], AMD64_ARG_REG2, sizeof(mgreg_t));
if (llvm_abs)
- /*
- * The caller is LLVM code which passes the absolute address not a pc offset,
- * so compensate by passing 0 as 'rip' and passing the negated abs address as
- * the pc offset.
+ /*
+ * The caller doesn't pass in a pc/pc offset, instead we simply use the
+ * caller ip. Negate the pc adjustment done in mono_amd64_throw_corlib_exception ().
*/
- amd64_neg_membase (code, AMD64_RSP, arg_offsets [2]);
+ amd64_mov_membase_imm (code, AMD64_RSP, arg_offsets [2], 1, sizeof(mgreg_t));
+ else
+ amd64_mov_membase_reg (code, AMD64_RSP, arg_offsets [2], AMD64_ARG_REG2, sizeof(mgreg_t));
} else {
amd64_mov_membase_imm (code, AMD64_RSP, arg_offsets [2], rethrow, sizeof(mgreg_t));
}