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comparison: xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_mips.s.m4
xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_mips.s.m4
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:aead46647a63 |
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| 1 /* -*- Mode: asm; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * Version: MPL 1.1 | |
| 3 * | |
| 4 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 /* This code is for MIPS using the O32 ABI. */ | |
| 9 | |
| 10 #include <sys/regdef.h> | |
| 11 #include <sys/asm.h> | |
| 12 | |
| 13 .text | |
| 14 .globl PrepareAndDispatch | |
| 15 | |
| 16 NARGSAVE=4 # extra space for the callee to use. gccism | |
| 17 # we can put our a0-a3 in our callers space. | |
| 18 LOCALSZ=2 # gp, ra | |
| 19 FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK | |
| 20 | |
| 21 define(STUB_NAME, `Stub'$1`__14nsXPTCStubBase') | |
| 22 | |
| 23 define(STUB_ENTRY, | |
| 24 ` .globl 'STUB_NAME($1)` | |
| 25 .align 2 | |
| 26 .type 'STUB_NAME($1)`,@function | |
| 27 .ent 'STUB_NAME($1)`, 0 | |
| 28 'STUB_NAME($1)`: | |
| 29 .frame sp, FRAMESZ, ra | |
| 30 .set noreorder | |
| 31 .cpload t9 | |
| 32 .set reorder | |
| 33 subu sp, FRAMESZ | |
| 34 .cprestore 16 | |
| 35 li t0, '$1` | |
| 36 b sharedstub | |
| 37 .end 'STUB_NAME($1)` | |
| 38 | |
| 39 ') | |
| 40 | |
| 41 define(SENTINEL_ENTRY, `') | |
| 42 | |
| 43 include(xptcstubsdef.inc) | |
| 44 | |
| 45 .globl sharedstub | |
| 46 .ent sharedstub | |
| 47 sharedstub: | |
| 48 | |
| 49 REG_S ra, 20(sp) | |
| 50 | |
| 51 REG_S a0, 24(sp) | |
| 52 REG_S a1, 28(sp) | |
| 53 REG_S a2, 32(sp) | |
| 54 REG_S a3, 36(sp) | |
| 55 | |
| 56 # t0 is methodIndex | |
| 57 move a1, t0 | |
| 58 | |
| 59 # put the start of a1, a2, a3, and stack | |
| 60 move a2, sp | |
| 61 addi a2, 24 # have a2 point to sp + 24 (where a0 is) | |
| 62 | |
| 63 # PrepareAndDispatch(that, methodIndex, args) | |
| 64 # a0 a1 a2 | |
| 65 # | |
| 66 jal PrepareAndDispatch | |
| 67 | |
| 68 REG_L ra, 20(sp) | |
| 69 REG_L a1, 28(sp) | |
| 70 REG_L a2, 32(sp) | |
| 71 | |
| 72 addu sp, FRAMESZ | |
| 73 j ra | |
| 74 | |
| 75 .end sharedstub |
