diff options
| -rw-r--r-- | tools/bpf/Makefile | 29 | ||||
| -rw-r--r-- | tools/bpf/bpf_jit_disasm.c | 7 | ||||
| -rw-r--r-- | tools/bpf/bpftool/Makefile | 24 | ||||
| -rw-r--r-- | tools/bpf/bpftool/jit_disasm.c | 7 | ||||
| -rw-r--r-- | tools/build/feature/Makefile | 4 | ||||
| -rw-r--r-- | tools/build/feature/test-disassembler-four-args.c | 15 |
6 files changed, 86 insertions, 0 deletions
diff --git a/tools/bpf/Makefile b/tools/bpf/Makefile index 07a6697466ef..c8ec0ae16bf0 100644 --- a/tools/bpf/Makefile +++ b/tools/bpf/Makefile @@ -9,6 +9,35 @@ MAKE = make CFLAGS += -Wall -O2 CFLAGS += -D__EXPORTED_HEADERS__ -I../../include/uapi -I../../include +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(CURDIR))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +endif + +FEATURE_USER = .bpf +FEATURE_TESTS = libbfd disassembler-four-args +FEATURE_DISPLAY = libbfd disassembler-four-args + +check_feat := 1 +NON_CHECK_FEAT_TARGETS := clean bpftool_clean +ifdef MAKECMDGOALS +ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),) + check_feat := 0 +endif +endif + +ifeq ($(check_feat),1) +ifeq ($(FEATURES_DUMP),) +include $(srctree)/tools/build/Makefile.feature +else +include $(FEATURES_DUMP) +endif +endif + +ifeq ($(feature-disassembler-four-args), 1) +CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE +endif + %.yacc.c: %.y $(YACC) -o $@ -d $< diff --git a/tools/bpf/bpf_jit_disasm.c b/tools/bpf/bpf_jit_disasm.c index 75bf526a0168..30044bc4f389 100644 --- a/tools/bpf/bpf_jit_disasm.c +++ b/tools/bpf/bpf_jit_disasm.c @@ -72,7 +72,14 @@ static void get_asm_insns(uint8_t *image, size_t len, int opcodes) disassemble_init_for_target(&info); +#ifdef DISASM_FOUR_ARGS_SIGNATURE + disassemble = disassembler(info.arch, + bfd_big_endian(bfdf), + info.mach, + bfdf); +#else disassemble = disassembler(bfdf); +#endif assert(disassemble); do { diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile index f8f31a8d9269..2237bc43f71c 100644 --- a/tools/bpf/bpftool/Makefile +++ b/tools/bpf/bpftool/Makefile @@ -46,6 +46,30 @@ LIBS = -lelf -lbfd -lopcodes $(LIBBPF) INSTALL ?= install RM ?= rm -f +FEATURE_USER = .bpftool +FEATURE_TESTS = libbfd disassembler-four-args +FEATURE_DISPLAY = libbfd disassembler-four-args + +check_feat := 1 +NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall +ifdef MAKECMDGOALS +ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),) + check_feat := 0 +endif +endif + +ifeq ($(check_feat),1) +ifeq ($(FEATURES_DUMP),) +include $(srctree)/tools/build/Makefile.feature +else +include $(FEATURES_DUMP) +endif +endif + +ifeq ($(feature-disassembler-four-args), 1) +CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE +endif + include $(wildcard *.d) all: $(OUTPUT)bpftool diff --git a/tools/bpf/bpftool/jit_disasm.c b/tools/bpf/bpftool/jit_disasm.c index 1551d3918d4c..57d32e8a1391 100644 --- a/tools/bpf/bpftool/jit_disasm.c +++ b/tools/bpf/bpftool/jit_disasm.c @@ -107,7 +107,14 @@ void disasm_print_insn(unsigned char *image, ssize_t len, int opcodes) disassemble_init_for_target(&info); +#ifdef DISASM_FOUR_ARGS_SIGNATURE + disassemble = disassembler(info.arch, + bfd_big_endian(bfdf), + info.mach, + bfdf); +#else disassemble = disassembler(bfdf); +#endif assert(disassemble); if (json_output) diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 96982640fbf8..17f2c73fff8b 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -13,6 +13,7 @@ FILES= \ test-hello.bin \ test-libaudit.bin \ test-libbfd.bin \ + test-disassembler-four-args.bin \ test-liberty.bin \ test-liberty-z.bin \ test-cplus-demangle.bin \ @@ -188,6 +189,9 @@ $(OUTPUT)test-libpython-version.bin: $(OUTPUT)test-libbfd.bin: $(BUILD) -DPACKAGE='"perf"' -lbfd -lz -liberty -ldl +$(OUTPUT)test-disassembler-four-args.bin: + $(BUILD) -lbfd -lopcodes + $(OUTPUT)test-liberty.bin: $(CC) $(CFLAGS) -Wall -Werror -o $@ test-libbfd.c -DPACKAGE='"perf"' $(LDFLAGS) -lbfd -ldl -liberty diff --git a/tools/build/feature/test-disassembler-four-args.c b/tools/build/feature/test-disassembler-four-args.c new file mode 100644 index 000000000000..45ce65cfddf0 --- /dev/null +++ b/tools/build/feature/test-disassembler-four-args.c @@ -0,0 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <bfd.h> +#include <dis-asm.h> + +int main(void) +{ + bfd *abfd = bfd_openr(NULL, NULL); + + disassembler(bfd_get_arch(abfd), + bfd_big_endian(abfd), + bfd_get_mach(abfd), + abfd); + + return 0; +} |