vendor/psm/src/arch/sparc_sysv.s

   1 #include "psm.h"
   2
   3 /* FIXME: this ABI has definitely not been verified at all */
   4
   5 .text
   6 .globl rust_psm_stack_direction
   7 .p2align 2
   8 .type rust_psm_stack_direction,@function
   9 rust_psm_stack_direction:
  10 /* extern "C" fn() -> u8 */
  11 .cfi_startproc
  12     jmpl %o7 + 8, %g0
  13     mov STACK_DIRECTION_DESCENDING, %o0
  14 .rust_psm_stack_direction_end:
  15 .size       rust_psm_stack_direction,.rust_psm_stack_direction_end-rust_psm_stack_direction
  16 .cfi_endproc
  17
  18
  19 .globl rust_psm_stack_pointer
  20 .p2align 2
  21 .type rust_psm_stack_pointer,@function
  22 rust_psm_stack_pointer:
  23 /* extern "C" fn() -> *mut u8 */
  24 .cfi_startproc
  25     jmpl %o7 + 8, %g0
  26     mov %o6, %o0
  27 .rust_psm_stack_pointer_end:
  28 .size       rust_psm_stack_pointer,.rust_psm_stack_pointer_end-rust_psm_stack_pointer
  29 .cfi_endproc
  30
  31
  32 .globl rust_psm_replace_stack
  33 .p2align 2
  34 .type rust_psm_replace_stack,@function
  35 rust_psm_replace_stack:
  36 /* extern "C" fn(%i0: usize, %i1: extern "C" fn(usize), %i2: *mut u8) */
  37 .cfi_startproc
  38     .cfi_def_cfa 0, 0
  39     .cfi_return_column 0
  40     jmpl %o1, %g0
  41     /* WEIRD: Why is the LSB set for the %sp and %fp on SPARC?? */
  42     add %o2, -0x3ff, %o6
  43 .rust_psm_replace_stack_end:
  44 .size       rust_psm_replace_stack,.rust_psm_replace_stack_end-rust_psm_replace_stack
  45 .cfi_endproc
  46
  47
  48 .globl rust_psm_on_stack
  49 .p2align 2
  50 .type rust_psm_on_stack,@function
  51 rust_psm_on_stack:
  52 /* extern "C" fn(%i0: usize, %i1: usize, %i2: extern "C" fn(usize, usize), %i3: *mut u8) */
  53 .cfi_startproc
  54     save %o3, -0x43f, %o6
  55     .cfi_def_cfa_register %fp
  56     .cfi_window_save
  57     .cfi_register %r15, %r31
  58     mov %i1, %o1
  59     jmpl %i2, %o7
  60     mov %i0, %o0
  61     ret
  62     restore
  63 .rust_psm_on_stack_end:
  64 .size       rust_psm_on_stack,.rust_psm_on_stack_end-rust_psm_on_stack
  65 .cfi_endproc