On Mon, 2016-09-12 at 15:33 +0800, wei.guo.si...@gmail.com wrote: > From: Anshuman Khandual <khand...@linux.vnet.ibm.com> > > 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 <khand...@linux.vnet.ibm.com> > Signed-off-by: Simon Guo <wei.guo.si...@gmail.com> > --- > tools/testing/selftests/powerpc/ptrace/Makefile | 3 +- > .../testing/selftests/powerpc/ptrace/ptrace-gpr.c | 196 > +++++++++++++++++++ > .../testing/selftests/powerpc/ptrace/ptrace-gpr.h | 74 ++++++++ > tools/testing/selftests/powerpc/ptrace/ptrace.S | 131 > +++++++++++++ > tools/testing/selftests/powerpc/ptrace/ptrace.h | 211 > +++++++++++++++++++++ > 5 files changed, 614 insertions(+), 1 deletion(-) > create mode 100644 tools/testing/selftests/powerpc/ptrace/ptrace- > gpr.c > create mode 100644 tools/testing/selftests/powerpc/ptrace/ptrace- > gpr.h > create mode 100644 tools/testing/selftests/powerpc/ptrace/ptrace.S >
[snip] > new file mode 100644 > index 0000000..193beea > --- /dev/null > +++ b/tools/testing/selftests/powerpc/ptrace/ptrace.S > @@ -0,0 +1,131 @@ > +/* > + * Ptrace interface test helper assembly functions > + * > + * Copyright (C) 2015 Anshuman Khandual, 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) > + 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) > + > +FUNC_START(store_fpr) > + 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) I wrote similar functions in math/fpu_asm.S perhaps it would be time consolidate those and these into an fpu_asm.S file at a higher level, TM related tests would benefit as well. > diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace.h > b/tools/testing/selftests/powerpc/ptrace/ptrace.h > index fbf73ca..1019004 100644 > --- a/tools/testing/selftests/powerpc/ptrace/ptrace.h > +++ b/tools/testing/selftests/powerpc/ptrace/ptrace.h > @@ -157,6 +157,214 @@ fail: > return TEST_FAIL; > } > [snip]
