diff options
Diffstat (limited to 'meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.10/tc/init_disassemble_info-signature-changes-causes-compile-failures.patch')
| -rw-r--r-- | meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.10/tc/init_disassemble_info-signature-changes-causes-compile-failures.patch | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.10/tc/init_disassemble_info-signature-changes-causes-compile-failures.patch b/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.10/tc/init_disassemble_info-signature-changes-causes-compile-failures.patch new file mode 100644 index 0000000000..aa33bb7f1b --- /dev/null +++ b/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.10/tc/init_disassemble_info-signature-changes-causes-compile-failures.patch @@ -0,0 +1,99 @@ +From 1b2013986271de39360cf79e62ed9b7d2cc59f9b Mon Sep 17 00:00:00 2001 +From: Andres Freund <andres@anarazel.de> +Date: Wed, 22 Jun 2022 11:19:18 -0700 +Subject: [PATCH] init_disassemble_info() signature changes causes compile + failures +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Hi, + +binutils changed the signature of init_disassemble_info(), which now causes +perf and bpftool to fail to compile (e.g. on debian unstable). + +Relevant binutils commit: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=60a3da00bd5407f07d64dff82a4dae98230dfaac + +util/annotate.c: In function ‘symbol__disassemble_bpf’: +util/annotate.c:1765:9: error: too few arguments to function ‘init_disassemble_info’ + 1765 | init_disassemble_info(&info, s, + | ^~~~~~~~~~~~~~~~~~~~~ +In file included from util/annotate.c:1718: +/usr/include/dis-asm.h:472:13: note: declared here + 472 | extern void init_disassemble_info (struct disassemble_info *dinfo, void *stream, + | ^~~~~~~~~~~~~~~~~~~~~ + +with equivalent failures in + +tools/bpf/bpf_jit_disasm.c +tools/bpf/bpftool/jit_disasm.c + +The fix is easy enough, add a wrapper around fprintf() that conforms to the +new signature. + +However I assume the necessary feature test and wrapper should only be added +once? I don't know the kernel stuff well enough to choose the right structure +here. + +Attached is my local fix for perf. Obviously would need work to be a real +solution. + +Greetings, + +Andres Freund +--- + +binutils 2.39 changed the signature of init_disassemble_info(), +which now causes perf and bpftool to fail to compile. + +Relevant binutils commit: [1] + +There is a proper fix in development upstream[2]. +This is a work-around for older kernels. + +[1] https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=60a3da00bd5407f07d64dff82a4dae98230dfaac +[2] https://patchwork.kernel.org/project/netdevbpf/cover/20220801013834.156015-1-andres@anarazel.de/ + +Upstream-Status: Pending +Signed-off-by: Anton Antonov <Anton.Antonov@arm.com> + + + tools/perf/util/annotate.c | 15 ++++++++++++++- + 1 file changed, 14 insertions(+), 1 deletion(-) + +diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c +index 6c8575e182ed..466a3a68f5cd 100644 +--- a/tools/perf/util/annotate.c ++++ b/tools/perf/util/annotate.c +@@ -1677,6 +1677,18 @@ static int dso__disassemble_filename(struct dso *dso, char *filename, size_t fil + #include <bfd.h> + #include <dis-asm.h> + ++static int fprintf_styled(void *, enum disassembler_style, const char* fmt, ...) ++{ ++ va_list args; ++ int r; ++ ++ va_start(args, fmt); ++ r = vprintf(fmt, args); ++ va_end(args); ++ ++ return r; ++} ++ + static int symbol__disassemble_bpf(struct symbol *sym, + struct annotate_args *args) + { +@@ -1719,7 +1731,8 @@ static int symbol__disassemble_bpf(struct symbol *sym, + goto out; + } + init_disassemble_info(&info, s, +- (fprintf_ftype) fprintf); ++ (fprintf_ftype) fprintf, ++ fprintf_styled); + + info.arch = bfd_get_arch(bfdf); + info.mach = bfd_get_mach(bfdf); +-- +2.30.2 + |