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