diff options
Diffstat (limited to 'src/aarch64/sysv.S')
| -rw-r--r-- | src/aarch64/sysv.S | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/src/aarch64/sysv.S b/src/aarch64/sysv.S index 7f00a3f..1fb68f2 100644 --- a/src/aarch64/sysv.S +++ b/src/aarch64/sysv.S @@ -50,7 +50,8 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* ffi_call_SYSV extern void ffi_call_SYSV (void *stack, void *frame, - void (*fn)(void), void *rvalue, int flags); + void (*fn)(void), void *rvalue, + int flags, void *closure); Therefore on entry we have: @@ -59,6 +60,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ x2 fn x3 rvalue x4 flags + x5 closure */ cfi_startproc @@ -74,6 +76,9 @@ CNAME(ffi_call_SYSV): mov x9, x2 /* save fn */ mov x8, x3 /* install structure return */ +#ifdef FFI_GO_CLOSURES + mov x18, x5 /* install static chain */ +#endif stp x3, x4, [x29, #16] /* save rvalue and flags */ /* Load the vector argument passing registers, if necessary. */ @@ -245,6 +250,7 @@ CNAME(ffi_closure_SYSV): /* Load ffi_closure_inner arguments. */ ldp x0, x1, [x17, #FFI_TRAMPOLINE_SIZE] /* load cif, fn */ ldr x2, [x17, #FFI_TRAMPOLINE_SIZE+16] /* load user_data */ +.Ldo_closure: add x3, sp, #16 /* load context */ add x4, sp, #ffi_closure_SYSV_FS /* load stack */ add x5, sp, #16+CALL_CONTEXT_SIZE /* load rvalue */ @@ -336,3 +342,57 @@ CNAME(ffi_closure_SYSV): .hidden CNAME(ffi_closure_SYSV) .size CNAME(ffi_closure_SYSV), . - CNAME(ffi_closure_SYSV) #endif + +#ifdef FFI_GO_CLOSURES + .align 4 +CNAME(ffi_go_closure_SYSV_V): + cfi_startproc + stp x29, x30, [sp, #-ffi_closure_SYSV_FS]! + cfi_adjust_cfa_offset (ffi_closure_SYSV_FS) + cfi_rel_offset (x29, 0) + cfi_rel_offset (x30, 8) + + /* Save the argument passing vector registers. */ + stp q0, q1, [sp, #16 + 0] + stp q2, q3, [sp, #16 + 32] + stp q4, q5, [sp, #16 + 64] + stp q6, q7, [sp, #16 + 96] + b 0f + cfi_endproc + + .globl CNAME(ffi_go_closure_SYSV_V) +#ifdef __ELF__ + .type CNAME(ffi_go_closure_SYSV_V), #function + .hidden CNAME(ffi_go_closure_SYSV_V) + .size CNAME(ffi_go_closure_SYSV_V), . - CNAME(ffi_go_closure_SYSV_V) +#endif + + .align 4 + cfi_startproc +CNAME(ffi_go_closure_SYSV): + stp x29, x30, [sp, #-ffi_closure_SYSV_FS]! + cfi_adjust_cfa_offset (ffi_closure_SYSV_FS) + cfi_rel_offset (x29, 0) + cfi_rel_offset (x30, 8) +0: + mov x29, sp + + /* Save the argument passing core registers. */ + stp x0, x1, [sp, #16 + 16*N_V_ARG_REG + 0] + stp x2, x3, [sp, #16 + 16*N_V_ARG_REG + 16] + stp x4, x5, [sp, #16 + 16*N_V_ARG_REG + 32] + stp x6, x7, [sp, #16 + 16*N_V_ARG_REG + 48] + + /* Load ffi_closure_inner arguments. */ + ldp x0, x1, [x18, #8] /* load cif, fn */ + mov x2, x18 /* load user_data */ + b .Ldo_closure + cfi_endproc + + .globl CNAME(ffi_go_closure_SYSV) +#ifdef __ELF__ + .type CNAME(ffi_go_closure_SYSV), #function + .hidden CNAME(ffi_go_closure_SYSV) + .size CNAME(ffi_go_closure_SYSV), . - CNAME(ffi_go_closure_SYSV) +#endif +#endif /* FFI_GO_CLOSURES */ |