On Fri, Jun 30, 2017 at 12:47 AM, Richard Henderson wrote:
> On 06/29/2017 05:40 PM, Pranith Kumar wrote:
>>
>> void aarch64_tb_set_jmp_target(uintptr_t jmp_addr, uintptr_t addr)
>> {
>> tcg_insn_unit *code_ptr = (tcg_insn_unit *)jmp_addr;
>> -tcg_insn_unit *target = (tcg_insn_unit *
On 06/29/2017 05:40 PM, Pranith Kumar wrote:
void aarch64_tb_set_jmp_target(uintptr_t jmp_addr, uintptr_t addr)
{
tcg_insn_unit *code_ptr = (tcg_insn_unit *)jmp_addr;
-tcg_insn_unit *target = (tcg_insn_unit *)addr;
+tcg_insn_unit i1, i2;
+uint64_t pair;
+ptrdiff_t off
We use ADRP+ADD to compute the target address for goto_tb. This patch
introduces the NOP instruction which is used to align the above
instruction pair so that we can use one atomic instruction to patch
the destination offsets.
CC: Richard Henderson
CC: Alex Bennée
Signed-off-by: Pranith Kumar
-
