Commit cee47579 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'objtool-urgent-2026-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool fixes from Ingo Molnar:
 "Fix two objtool build failures that trigger in uncommon build
  environments"

* tag 'objtool-urgent-2026-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: fix build failure due to missing libopcodes check
  objtool: fix compilation failure with the x32 toolchain
parents 8562711a 436326bc
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+14 −10
Original line number Diff line number Diff line
@@ -72,23 +72,27 @@ HOST_OVERRIDES := CC="$(HOSTCC)" LD="$(HOSTLD)" AR="$(HOSTAR)"

#
# To support disassembly, objtool needs libopcodes which is provided
# with libbdf (binutils-dev or binutils-devel package).
# with libbfd (binutils-dev or binutils-devel package).
#
FEATURE_USER = .objtool
FEATURE_TESTS = libbfd disassembler-init-styled
FEATURE_DISPLAY =
include $(srctree)/tools/build/Makefile.feature
# We check using HOSTCC directly rather than the shared feature framework
# because objtool is a host tool that links against host libraries.
#
HAVE_LIBOPCODES := $(shell echo 'int main(void) { return 0; }' | \
			$(HOSTCC) -xc - -o /dev/null -lopcodes 2>/dev/null && echo y)

ifeq ($(feature-disassembler-init-styled), 1)
	OBJTOOL_CFLAGS += -DDISASM_INIT_STYLED
endif
# Styled disassembler support requires binutils >= 2.39
HAVE_DISASM_STYLED := $(shell echo '$(pound)include <dis-asm.h>' | \
			$(HOSTCC) -E -xc - 2>/dev/null | grep -q disassembler_style && echo y)

BUILD_DISAS := n

ifeq ($(feature-libbfd),1)
ifeq ($(HAVE_LIBOPCODES),y)
	BUILD_DISAS := y
	OBJTOOL_CFLAGS += -DDISAS -DPACKAGE="objtool"
	OBJTOOL_CFLAGS += -DDISAS -DPACKAGE='"objtool"'
	OBJTOOL_LDFLAGS += -lopcodes
ifeq ($(HAVE_DISASM_STYLED),y)
	OBJTOOL_CFLAGS += -DDISASM_INIT_STYLED
endif
endif

export BUILD_DISAS
+2 −2
Original line number Diff line number Diff line
@@ -152,8 +152,8 @@ static inline void unindent(int *unused) { indent--; }
	if (unlikely(insn->sym && insn->sym->pfunc &&			\
		     insn->sym->pfunc->debug_checksum)) {		\
		char *insn_off = offstr(insn->sec, insn->offset);	\
		__dbg("checksum: %s %s %016lx",				\
		      func->name, insn_off, checksum);			\
		__dbg("checksum: %s %s %016llx",			\
		      func->name, insn_off, (unsigned long long)checksum);\
		free(insn_off);						\
	}								\
})