20cb796de7
- Update to 2.5 * fixed build for Android NDK >= 23 * fixed build for CygWin * improved hfuzz-cc, so it supports -x correctly * error returned if unknown cmd-line parameters are provided * support for thread CPU pinning * various fixes for *BSD * increased number of dictionary entries (to 8192) - Add upstream changes to fix build with recent binutils: * 0001-Always-pass-4-arguments-to-init_disassemble_info-no-.patch * 0002-linux-bfd-use-DIAGNOSTIC_ERROR_SWITCH-define-to-figu.patch * 0003-linux-bfd-cover-include-diagnostics.h-with-__has_inc.patch OBS-URL: https://build.opensuse.org/request/show/999245 OBS-URL: https://build.opensuse.org/package/show/devel:tools/honggfuzz?expand=0&rev=25
84 lines
3.0 KiB
Diff
84 lines
3.0 KiB
Diff
From e35ef0db3e45516ea34ffc820f13ec462a6cff03 Mon Sep 17 00:00:00 2001
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From: Robert Swiecki <robert@swiecki.net>
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Date: Mon, 6 Jun 2022 18:01:41 +0200
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Subject: [PATCH 2/3] linux/bfd: use DIAGNOSTIC_ERROR_SWITCH define to figure
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out if init_disassemble_info takes 3 or 4 arguments
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---
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linux/bfd.c | 31 +++++++++++++++++++------------
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1 file changed, 19 insertions(+), 12 deletions(-)
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diff --git a/linux/bfd.c b/linux/bfd.c
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index 986081e..e9d9c2b 100644
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--- a/linux/bfd.c
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+++ b/linux/bfd.c
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@@ -26,6 +26,7 @@
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#include "linux/bfd.h"
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#include <bfd.h>
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+#include <diagnostics.h>
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#include <dis-asm.h>
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#include <inttypes.h>
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#include <pthread.h>
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@@ -61,7 +62,15 @@ typedef struct {
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*/
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#if defined(FOR_EACH_DISASSEMBLER_OPTION)
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#define _HF_BFD_GE_2_29
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-#endif
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+#endif /* defined(FOR_EACH_DISASSEMBLER_OPTION) */
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+/*
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+ * binutils/libopcode has an unstable public interface. At some point in time the function
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+ * init_disassemble_info() started taking 4 arguments instead of 3. Try to differentiate on the
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+ * basis of some defines which apeared around the same time.
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+ */
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+#if defined(DIAGNOSTIC_ERROR_SWITCH)
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+#define _HF_DISASM_4_ARGS
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+#endif /* defined(DIAGNOSTIC_ERROR_SWITCH) */
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static pthread_mutex_t arch_bfd_mutex = PTHREAD_MUTEX_INITIALIZER;
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@@ -197,7 +206,9 @@ static int arch_bfdFPrintF(void* buf, const char* fmt, ...) {
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return ret;
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}
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-static int arch_bfdFPrintFStyled(void* buf, int style HF_ATTR_UNUSED, const char* fmt, ...) {
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+#if defined(_HF_DISASM_4_ARGS)
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+static int arch_bfdFPrintFStyled(
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+ void* buf, enum disassembler_style style HF_ATTR_UNUSED, const char* fmt, ...) {
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va_list args;
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va_start(args, fmt);
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int ret = util_vssnprintf(buf, _HF_INSTR_SZ, fmt, args);
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@@ -205,15 +216,7 @@ static int arch_bfdFPrintFStyled(void* buf, int style HF_ATTR_UNUSED, const char
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return ret;
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}
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-
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-/*
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- * binutils/libopcode has an unstable public interface. At some point in time the function
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- * init_disassemble_info() started taking 4 arguments instead of 3. Always pass 4 arguments to it,
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- * no matter what's the declaration.
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- */
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-static void arch_bfdInitDisassembleInfoStub(
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- struct disassemble_info* info, char* instr, void* bfd_printf_func, void* bfd_printf_styled_func)
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- __attribute__((weakref, alias("init_disassemble_info")));
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+#endif /* defined(_HF_DISASM_4_ARGS) */
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void arch_bfdDisasm(pid_t pid, uint8_t* mem, size_t size, char* instr) {
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MX_SCOPED_LOCK(&arch_bfd_mutex);
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@@ -247,7 +250,11 @@ void arch_bfdDisasm(pid_t pid, uint8_t* mem, size_t size, char* instr) {
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struct disassemble_info info = {};
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- arch_bfdInitDisassembleInfoStub(&info, instr, arch_bfdFPrintF, arch_bfdFPrintFStyled);
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+#if defined(_HF_DISASM_4_ARGS)
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+ init_disassemble_info(&info, instr, arch_bfdFPrintF, arch_bfdFPrintFStyled);
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+#else /* defined(_HF_DISASM_4_ARGS) */
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+ init_disassemble_info(&info, instr, arch_bfdFPrintF);
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+#endif /* defined(_HF_DISASM_4_ARGS) */
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info.arch = bfd_get_arch(bfdh);
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info.mach = bfd_get_mach(bfdh);
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info.buffer = mem;
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--
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2.37.2
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