diff options
Diffstat (limited to 'xpcom/reflect/xptcall/md/unix/xptcstubs_asm_mips.s.m4')
| -rw-r--r-- | xpcom/reflect/xptcall/md/unix/xptcstubs_asm_mips.s.m4 | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_mips.s.m4 b/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_mips.s.m4 new file mode 100644 index 0000000000..33c7b1492c --- /dev/null +++ b/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_mips.s.m4 @@ -0,0 +1,75 @@ +/* -*- Mode: asm; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * Version: MPL 1.1 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* This code is for MIPS using the O32 ABI. */ + +#include <sys/regdef.h> +#include <sys/asm.h> + + .text + .globl PrepareAndDispatch + +NARGSAVE=4 # extra space for the callee to use. gccism + # we can put our a0-a3 in our callers space. +LOCALSZ=2 # gp, ra +FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK + +define(STUB_NAME, `Stub'$1`__14nsXPTCStubBase') + +define(STUB_ENTRY, +` .globl 'STUB_NAME($1)` + .align 2 + .type 'STUB_NAME($1)`,@function + .ent 'STUB_NAME($1)`, 0 +'STUB_NAME($1)`: + .frame sp, FRAMESZ, ra + .set noreorder + .cpload t9 + .set reorder + subu sp, FRAMESZ + .cprestore 16 + li t0, '$1` + b sharedstub +.end 'STUB_NAME($1)` + +') + +define(SENTINEL_ENTRY, `') + +include(xptcstubsdef.inc) + + .globl sharedstub + .ent sharedstub +sharedstub: + + REG_S ra, 20(sp) + + REG_S a0, 24(sp) + REG_S a1, 28(sp) + REG_S a2, 32(sp) + REG_S a3, 36(sp) + + # t0 is methodIndex + move a1, t0 + + # put the start of a1, a2, a3, and stack + move a2, sp + addi a2, 24 # have a2 point to sp + 24 (where a0 is) + + # PrepareAndDispatch(that, methodIndex, args) + # a0 a1 a2 + # + jal PrepareAndDispatch + + REG_L ra, 20(sp) + REG_L a1, 28(sp) + REG_L a2, 32(sp) + + addu sp, FRAMESZ + j ra + +.end sharedstub |