DrSocalkwe3n/luajit
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM64: Add support for ARM64e pointer authentication codes (PAC).

Browse Source 
Contributed by Peter Cawley. #559
This commit is contained in:
Mike Pall
2023-08-12 22:25:40 +02:00
parent 117ddf35e6
commit 27af72e66f
15 changed files with 118 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/lj_ccallback.c
View File

@@ -171,13 +171,13 @@ static void *callback_mcode_init(global_State *g, uint32_t *page)
static void *callback_mcode_init(global_State *g, uint32_t *page)
{
uint32_t *p = page;
void *target = (void *)lj_vm_ffi_callback;
ASMFunction target = lj_vm_ffi_callback;
MSize slot;
*p++ = A64I_LE(A64I_LDRLx | A64F_D(RID_X11) | A64F_S19(4));
*p++ = A64I_LE(A64I_LDRLx | A64F_D(RID_X10) | A64F_S19(5));
*p++ = A64I_LE(A64I_BR | A64F_N(RID_X11));
*p++ = A64I_LE(A64I_BR_AUTH | A64F_N(RID_X11));
*p++ = A64I_LE(A64I_NOP);
((void **)p)[0] = target;
((ASMFunction *)p)[0] = target;
((void **)p)[1] = g;
p += 4;
for (slot = 0; slot < CALLBACK_MAX_SLOT; slot++) {