1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_mips.s.m4 Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,75 @@
1.4 +/* -*- Mode: asm; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * Version: MPL 1.1
1.6 + *
1.7 + * This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +/* This code is for MIPS using the O32 ABI. */
1.12 +
1.13 +#include <sys/regdef.h>
1.14 +#include <sys/asm.h>
1.15 +
1.16 + .text
1.17 + .globl PrepareAndDispatch
1.18 +
1.19 +NARGSAVE=4 # extra space for the callee to use. gccism
1.20 + # we can put our a0-a3 in our callers space.
1.21 +LOCALSZ=2 # gp, ra
1.22 +FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
1.23 +
1.24 +define(STUB_NAME, `Stub'$1`__14nsXPTCStubBase')
1.25 +
1.26 +define(STUB_ENTRY,
1.27 +` .globl 'STUB_NAME($1)`
1.28 + .align 2
1.29 + .type 'STUB_NAME($1)`,@function
1.30 + .ent 'STUB_NAME($1)`, 0
1.31 +'STUB_NAME($1)`:
1.32 + .frame sp, FRAMESZ, ra
1.33 + .set noreorder
1.34 + .cpload t9
1.35 + .set reorder
1.36 + subu sp, FRAMESZ
1.37 + .cprestore 16
1.38 + li t0, '$1`
1.39 + b sharedstub
1.40 +.end 'STUB_NAME($1)`
1.41 +
1.42 +')
1.43 +
1.44 +define(SENTINEL_ENTRY, `')
1.45 +
1.46 +include(xptcstubsdef.inc)
1.47 +
1.48 + .globl sharedstub
1.49 + .ent sharedstub
1.50 +sharedstub:
1.51 +
1.52 + REG_S ra, 20(sp)
1.53 +
1.54 + REG_S a0, 24(sp)
1.55 + REG_S a1, 28(sp)
1.56 + REG_S a2, 32(sp)
1.57 + REG_S a3, 36(sp)
1.58 +
1.59 + # t0 is methodIndex
1.60 + move a1, t0
1.61 +
1.62 + # put the start of a1, a2, a3, and stack
1.63 + move a2, sp
1.64 + addi a2, 24 # have a2 point to sp + 24 (where a0 is)
1.65 +
1.66 + # PrepareAndDispatch(that, methodIndex, args)
1.67 + # a0 a1 a2
1.68 + #
1.69 + jal PrepareAndDispatch
1.70 +
1.71 + REG_L ra, 20(sp)
1.72 + REG_L a1, 28(sp)
1.73 + REG_L a2, 32(sp)
1.74 +
1.75 + addu sp, FRAMESZ
1.76 + j ra
1.77 +
1.78 +.end sharedstub
