src/trusted/service_runtime/linux/nacl_signal_mips.c - Issue 10919162: [MIPS] Implementation of sel_ldr for MIPS architecture.

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Issue 10919162: [MIPS] Implementation of sel_ldr for MIPS architecture. (Closed) Base URL: http://src.chromium.org/native_client/trunk/src/native_client/

Patch Set: Second update per Mark's comments. Created 8 years, 3 months ago

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	1 /*

	2 * Copyright 2012 The Native Client Authors. All rights reserved.

	3 * Use of this source code is governed by a BSD-style license that can

	4 * be found in the LICENSE file.

	5 */

	6

	7 #include <signal.h>

	8 #include <sys/ucontext.h>

	9

	10 #include "native_client/src/trusted/service_runtime/nacl_signal.h"

	11

	12 /*

	13 * Fill a signal context structure from the raw platform dependant
	Mark Seaborn 2012/09/18 03:24:34 "dependent" "dependent" petarj 2012/09/19 17:27:51 Done. Show quoted text On 2012/09/18 03:24:34, Mark Seaborn wrote: > "dependent" Done.
	14 * signal information.

	15 */

	16 void NaClSignalContextFromHandler(struct NaClSignalContext *sigCtx,

	17 const void *rawCtx) {

	18 // TODO(petarj): Check whether float registers should be added here.
	Mark Seaborn 2012/09/18 03:24:34 Nit: Please use C-style /* ... / comments Nit: Please use C-style / ... / comments petarj* 2012/09/19 17:27:51 Done. Show quoted text On 2012/09/18 03:24:34, Mark Seaborn wrote: > Nit: Please use C-style /* ... */ comments Done.
	19 ucontext_t uctx = (ucontext_t ) rawCtx;

	20 mcontext_t *mctx = &uctx->uc_mcontext;

	21

	22 sigCtx->prog_ctr = mctx->pc;

	23

	24 sigCtx->zero = mctx->gregs[0];

	25 sigCtx->at = mctx->gregs[1];

	26 sigCtx->v0 = mctx->gregs[2];

	27 sigCtx->v1 = mctx->gregs[3];

	28 sigCtx->a0 = mctx->gregs[4];

	29 sigCtx->a1 = mctx->gregs[5];

	30 sigCtx->a2 = mctx->gregs[6];

	31 sigCtx->a3 = mctx->gregs[7];

	32 sigCtx->t0 = mctx->gregs[8];

	33 sigCtx->t1 = mctx->gregs[9];

	34 sigCtx->t2 = mctx->gregs[10];

	35 sigCtx->t3 = mctx->gregs[11];

	36 sigCtx->t4 = mctx->gregs[12];

	37 sigCtx->t5 = mctx->gregs[13];

	38 sigCtx->t6 = mctx->gregs[14];

	39 sigCtx->t7 = mctx->gregs[15];

	40 sigCtx->s0 = mctx->gregs[16];

	41 sigCtx->s1 = mctx->gregs[17];

	42 sigCtx->s2 = mctx->gregs[18];

	43 sigCtx->s3 = mctx->gregs[19];

	44 sigCtx->s4 = mctx->gregs[20];

	45 sigCtx->s5 = mctx->gregs[21];

	46 sigCtx->s6 = mctx->gregs[22];

	47 sigCtx->s7 = mctx->gregs[23];

	48 sigCtx->t8 = mctx->gregs[24];

	49 sigCtx->t9 = mctx->gregs[25];

	50 sigCtx->k0 = mctx->gregs[26];

	51 sigCtx->k1 = mctx->gregs[27];

	52 sigCtx->global_ptr = mctx->gregs[28];

	53 sigCtx->stack_ptr = mctx->gregs[29];

	54 sigCtx->frame_ptr = mctx->gregs[30];

	55 sigCtx->return_addr = mctx->gregs[31];

	56 }

	57

	58

	59 /*

	60 * Update the raw platform dependant signal information from the
	Mark Seaborn 2012/09/18 03:24:34 "dependent" "dependent" petarj 2012/09/19 17:27:51 Done. Show quoted text On 2012/09/18 03:24:34, Mark Seaborn wrote: > "dependent" Done.
	61 * signal context structure.

	62 */

	63 void NaClSignalContextToHandler(void *rawCtx,

	64 const struct NaClSignalContext *sigCtx) {

	65 ucontext_t uctx = (ucontext_t ) rawCtx;

	66 mcontext_t *mctx = &uctx->uc_mcontext;

	67

	68 mctx->pc = sigCtx->prog_ctr;

	69

	70 mctx->gregs[0] = sigCtx->zero;

	71 mctx->gregs[1] = sigCtx->at;

	72 mctx->gregs[2] = sigCtx->v0;

	73 mctx->gregs[3] = sigCtx->v1;

	74 mctx->gregs[4] = sigCtx->a0;

	75 mctx->gregs[5] = sigCtx->a1;

	76 mctx->gregs[6] = sigCtx->a2;

	77 mctx->gregs[7] = sigCtx->a3;

	78 mctx->gregs[8] = sigCtx->t0;

	79 mctx->gregs[9] = sigCtx->t1;

	80 mctx->gregs[10] = sigCtx->t2;

	81 mctx->gregs[11] = sigCtx->t3;

	82 mctx->gregs[12] = sigCtx->t4;

	83 mctx->gregs[13] = sigCtx->t5;

	84 mctx->gregs[14] = sigCtx->t6;

	85 mctx->gregs[15] = sigCtx->t7;

	86 mctx->gregs[16] = sigCtx->s0;

	87 mctx->gregs[17] = sigCtx->s1;

	88 mctx->gregs[18] = sigCtx->s2;

	89 mctx->gregs[19] = sigCtx->s3;

	90 mctx->gregs[20] = sigCtx->s4;

	91 mctx->gregs[21] = sigCtx->s5;

	92 mctx->gregs[22] = sigCtx->s6;

	93 mctx->gregs[23] = sigCtx->s7;

	94 mctx->gregs[24] = sigCtx->t8;

	95 mctx->gregs[25] = sigCtx->t9;

	96 mctx->gregs[26] = sigCtx->k0;

	97 mctx->gregs[27] = sigCtx->k1;

	98 mctx->gregs[28] = sigCtx->global_ptr;

	99 mctx->gregs[29] = sigCtx->stack_ptr;

	100 mctx->gregs[30] = sigCtx->frame_ptr;

	101 mctx->gregs[31] = sigCtx->return_addr;

	102 }

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