611e385087
The ptrace-gpr test includes some inline asm to load GPR and FPR registers. It then goes back to C to wait for the parent to trace it and then checks register contents. The split between inline asm and C is fragile, it relies on the compiler not using any non-volatile GPRs after the inline asm block. It also requires a very large and unwieldy inline asm block. So convert the logic to set registers, wait, and store registers to a single asm function, meaning there's no window for the compiler to intervene. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220627140239.2464900-10-mpe@ellerman.id.au
42 lines
1013 B
Makefile
42 lines
1013 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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TM_TESTS := ptrace-tm-gpr
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TM_TESTS += ptrace-tm-spd-gpr
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TM_TESTS += ptrace-tm-spd-tar
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TM_TESTS += ptrace-tm-spd-vsx
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TM_TESTS += ptrace-tm-spr
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TM_TESTS += ptrace-tm-tar
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TM_TESTS += ptrace-tm-vsx
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TESTS_64 := $(TM_TESTS)
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TESTS_64 += core-pkey
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TESTS_64 += perf-hwbreak
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TESTS_64 += ptrace-hwbreak
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TESTS_64 += ptrace-perf-hwbreak
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TESTS_64 += ptrace-pkey
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TESTS_64 += ptrace-syscall
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TESTS_64 += ptrace-tar
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TESTS_64 += ptrace-vsx
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TESTS += ptrace-gpr
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TEST_GEN_PROGS := $(TESTS) $(TESTS_64)
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LOCAL_HDRS += $(patsubst %,$(selfdir)/powerpc/ptrace/%,$(wildcard *.h))
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top_srcdir = ../../../../..
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include ../../lib.mk
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TM_TESTS := $(patsubst %,$(OUTPUT)/%,$(TM_TESTS))
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TESTS_64 := $(patsubst %,$(OUTPUT)/%,$(TESTS_64))
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$(TESTS_64): CFLAGS += -m64
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$(TM_TESTS): CFLAGS += -I../tm -mhtm
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CFLAGS += -I../../../../../usr/include -fno-pie
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$(OUTPUT)/ptrace-gpr: ptrace-gpr.S
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$(OUTPUT)/ptrace-pkey $(OUTPUT)/core-pkey: LDLIBS += -pthread
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$(TEST_GEN_PROGS): ../harness.c ../utils.c ../lib/reg.S
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