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selftests/powerpc: Add ptrace tests for GPR/FPR registers

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This patch adds ptrace interface test for GPR/FPR registers.
This adds ptrace interface based helper functions related to
GPR/FPR access and some assembly helper functions related to
GPR/FPR registers.

Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
[mpe: Add #defines for the new note types when headers don't define them]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Anshuman Khandual
2016-09-30 10:32:52 +08:00
committed by Michael Ellerman
parent 15ec3997aa
commit f666ad413d
8 changed files with 781 additions and 1 deletions
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132
tools/testing/selftests/powerpc/lib/reg.S Normal file
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/*
* test helper assembly functions
*
* Copyright (C) 2016 Simon Guo, IBM Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <ppc-asm.h>
#include "reg.h"
/* Non volatile GPR - unsigned long buf[18] */
FUNC_START(load_gpr)
ld 14, 0*8(3)
ld 15, 1*8(3)
ld 16, 2*8(3)
ld 17, 3*8(3)
ld 18, 4*8(3)
ld 19, 5*8(3)
ld 20, 6*8(3)
ld 21, 7*8(3)
ld 22, 8*8(3)
ld 23, 9*8(3)
ld 24, 10*8(3)
ld 25, 11*8(3)
ld 26, 12*8(3)
ld 27, 13*8(3)
ld 28, 14*8(3)
ld 29, 15*8(3)
ld 30, 16*8(3)
ld 31, 17*8(3)
blr
FUNC_END(load_gpr)
FUNC_START(store_gpr)
std 14, 0*8(3)
std 15, 1*8(3)
std 16, 2*8(3)
std 17, 3*8(3)
std 18, 4*8(3)
std 19, 5*8(3)
std 20, 6*8(3)
std 21, 7*8(3)
std 22, 8*8(3)
std 23, 9*8(3)
std 24, 10*8(3)
std 25, 11*8(3)
std 26, 12*8(3)
std 27, 13*8(3)
std 28, 14*8(3)
std 29, 15*8(3)
std 30, 16*8(3)
std 31, 17*8(3)
blr
FUNC_END(store_gpr)
/* Single Precision Float - float buf[32] */
FUNC_START(load_fpr_single_precision)
lfs 0, 0*4(3)
lfs 1, 1*4(3)
lfs 2, 2*4(3)
lfs 3, 3*4(3)
lfs 4, 4*4(3)
lfs 5, 5*4(3)
lfs 6, 6*4(3)
lfs 7, 7*4(3)
lfs 8, 8*4(3)
lfs 9, 9*4(3)
lfs 10, 10*4(3)
lfs 11, 11*4(3)
lfs 12, 12*4(3)
lfs 13, 13*4(3)
lfs 14, 14*4(3)
lfs 15, 15*4(3)
lfs 16, 16*4(3)
lfs 17, 17*4(3)
lfs 18, 18*4(3)
lfs 19, 19*4(3)
lfs 20, 20*4(3)
lfs 21, 21*4(3)
lfs 22, 22*4(3)
lfs 23, 23*4(3)
lfs 24, 24*4(3)
lfs 25, 25*4(3)
lfs 26, 26*4(3)
lfs 27, 27*4(3)
lfs 28, 28*4(3)
lfs 29, 29*4(3)
lfs 30, 30*4(3)
lfs 31, 31*4(3)
blr
FUNC_END(load_fpr_single_precision)
/* Single Precision Float - float buf[32] */
FUNC_START(store_fpr_single_precision)
stfs 0, 0*4(3)
stfs 1, 1*4(3)
stfs 2, 2*4(3)
stfs 3, 3*4(3)
stfs 4, 4*4(3)
stfs 5, 5*4(3)
stfs 6, 6*4(3)
stfs 7, 7*4(3)
stfs 8, 8*4(3)
stfs 9, 9*4(3)
stfs 10, 10*4(3)
stfs 11, 11*4(3)
stfs 12, 12*4(3)
stfs 13, 13*4(3)
stfs 14, 14*4(3)
stfs 15, 15*4(3)
stfs 16, 16*4(3)
stfs 17, 17*4(3)
stfs 18, 18*4(3)
stfs 19, 19*4(3)
stfs 20, 20*4(3)
stfs 21, 21*4(3)
stfs 22, 22*4(3)
stfs 23, 23*4(3)
stfs 24, 24*4(3)
stfs 25, 25*4(3)
stfs 26, 26*4(3)
stfs 27, 27*4(3)
stfs 28, 28*4(3)
stfs 29, 29*4(3)
stfs 30, 30*4(3)
stfs 31, 31*4(3)
blr
FUNC_END(store_fpr_single_precision)