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-rw-r--r--scripts/Makefile.build5
-rw-r--r--scripts/Makefile.modfinal2
-rwxr-xr-xscripts/atomic/check-atomics.sh1
-rwxr-xr-xscripts/atomic/gen-atomic-instrumented.sh51
-rwxr-xr-xscripts/atomic/gen-atomics.sh1
-rwxr-xr-xscripts/link-vmlinux.sh2
-rw-r--r--scripts/recordmcount.h15
7 files changed, 17 insertions, 60 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 949f723efe53..34d257653fb4 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -268,7 +268,8 @@ define rule_as_o_S
endef
# Built-in and composite module parts
-$(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE
+.SECONDEXPANSION:
+$(obj)/%.o: $(src)/%.c $(recordmcount_source) $$(objtool_dep) FORCE
$(call if_changed_rule,cc_o_c)
$(call cmd,force_checksrc)
@@ -349,7 +350,7 @@ cmd_modversions_S = \
fi
endif
-$(obj)/%.o: $(src)/%.S $(objtool_dep) FORCE
+$(obj)/%.o: $(src)/%.S $$(objtool_dep) FORCE
$(call if_changed_rule,as_o_S)
targets += $(filter-out $(subdir-builtin), $(real-obj-y))
diff --git a/scripts/Makefile.modfinal b/scripts/Makefile.modfinal
index dd87cea9fba7..a7883e455290 100644
--- a/scripts/Makefile.modfinal
+++ b/scripts/Makefile.modfinal
@@ -59,7 +59,7 @@ quiet_cmd_ld_ko_o = LD [M] $@
quiet_cmd_btf_ko = BTF [M] $@
cmd_btf_ko = \
if [ -f vmlinux ]; then \
- LLVM_OBJCOPY=$(OBJCOPY) $(PAHOLE) -J --btf_base vmlinux $@; \
+ LLVM_OBJCOPY="$(OBJCOPY)" $(PAHOLE) -J --btf_base vmlinux $@; \
else \
printf "Skipping BTF generation for %s due to unavailability of vmlinux\n" $@ 1>&2; \
fi;
diff --git a/scripts/atomic/check-atomics.sh b/scripts/atomic/check-atomics.sh
index 82748d42ecc5..9c7fbd4bcbce 100755
--- a/scripts/atomic/check-atomics.sh
+++ b/scripts/atomic/check-atomics.sh
@@ -17,7 +17,6 @@ cat <<EOF |
asm-generic/atomic-instrumented.h
asm-generic/atomic-long.h
linux/atomic-arch-fallback.h
-linux/atomic-fallback.h
EOF
while read header; do
OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})"
diff --git a/scripts/atomic/gen-atomic-instrumented.sh b/scripts/atomic/gen-atomic-instrumented.sh
index 5766ffcec7c5..b0c45aee19d7 100755
--- a/scripts/atomic/gen-atomic-instrumented.sh
+++ b/scripts/atomic/gen-atomic-instrumented.sh
@@ -41,34 +41,6 @@ gen_params_checks()
done
}
-# gen_guard(meta, atomic, pfx, name, sfx, order)
-gen_guard()
-{
- local meta="$1"; shift
- local atomic="$1"; shift
- local pfx="$1"; shift
- local name="$1"; shift
- local sfx="$1"; shift
- local order="$1"; shift
-
- local atomicname="arch_${atomic}_${pfx}${name}${sfx}${order}"
-
- local template="$(find_fallback_template "${pfx}" "${name}" "${sfx}" "${order}")"
-
- # We definitely need a preprocessor symbol for this atomic if it is an
- # ordering variant, or if there's a generic fallback.
- if [ ! -z "${order}" ] || [ ! -z "${template}" ]; then
- printf "defined(${atomicname})"
- return
- fi
-
- # If this is a base variant, but a relaxed variant *may* exist, then we
- # only have a preprocessor symbol if the relaxed variant isn't defined
- if meta_has_relaxed "${meta}"; then
- printf "!defined(${atomicname}_relaxed) || defined(${atomicname})"
- fi
-}
-
#gen_proto_order_variant(meta, pfx, name, sfx, order, atomic, int, arg...)
gen_proto_order_variant()
{
@@ -82,16 +54,12 @@ gen_proto_order_variant()
local atomicname="${atomic}_${pfx}${name}${sfx}${order}"
- local guard="$(gen_guard "${meta}" "${atomic}" "${pfx}" "${name}" "${sfx}" "${order}")"
-
local ret="$(gen_ret_type "${meta}" "${int}")"
local params="$(gen_params "${int}" "${atomic}" "$@")"
local checks="$(gen_params_checks "${meta}" "$@")"
local args="$(gen_args "$@")"
local retstmt="$(gen_ret_stmt "${meta}")"
- [ ! -z "${guard}" ] && printf "#if ${guard}\n"
-
cat <<EOF
static __always_inline ${ret}
${atomicname}(${params})
@@ -99,11 +67,8 @@ ${atomicname}(${params})
${checks}
${retstmt}arch_${atomicname}(${args});
}
-#define ${atomicname} ${atomicname}
EOF
- [ ! -z "${guard}" ] && printf "#endif\n"
-
printf "\n"
}
@@ -139,19 +104,6 @@ EOF
fi
}
-gen_optional_xchg()
-{
- local name="$1"; shift
- local sfx="$1"; shift
- local guard="defined(arch_${name}${sfx})"
-
- [ -z "${sfx}" ] && guard="!defined(arch_${name}_relaxed) || defined(arch_${name})"
-
- printf "#if ${guard}\n"
- gen_xchg "${name}${sfx}" ""
- printf "#endif\n\n"
-}
-
cat << EOF
// SPDX-License-Identifier: GPL-2.0
@@ -188,7 +140,8 @@ done
for xchg in "xchg" "cmpxchg" "cmpxchg64" "try_cmpxchg"; do
for order in "" "_acquire" "_release" "_relaxed"; do
- gen_optional_xchg "${xchg}" "${order}"
+ gen_xchg "${xchg}${order}" ""
+ printf "\n"
done
done
diff --git a/scripts/atomic/gen-atomics.sh b/scripts/atomic/gen-atomics.sh
index d29e159ef489..f776a574224d 100755
--- a/scripts/atomic/gen-atomics.sh
+++ b/scripts/atomic/gen-atomics.sh
@@ -11,7 +11,6 @@ cat <<EOF |
gen-atomic-instrumented.sh asm-generic/atomic-instrumented.h
gen-atomic-long.sh asm-generic/atomic-long.h
gen-atomic-fallback.sh linux/atomic-arch-fallback.h arch_
-gen-atomic-fallback.sh linux/atomic-fallback.h
EOF
while read script header args; do
/bin/sh ${ATOMICDIR}/${script} ${ATOMICTBL} ${args} > ${LINUXDIR}/include/${header}
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index f4de4c97015b..0e0f6466b18d 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -240,7 +240,7 @@ gen_btf()
fi
info "BTF" ${2}
- LLVM_OBJCOPY=${OBJCOPY} ${PAHOLE} -J ${extra_paholeopt} ${1}
+ LLVM_OBJCOPY="${OBJCOPY}" ${PAHOLE} -J ${extra_paholeopt} ${1}
# Create ${2} which contains just .BTF section but no symbols. Add
# SHF_ALLOC because .BTF will be part of the vmlinux image. --strip-all
diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
index f9b19524da11..1e9baa5c4fc6 100644
--- a/scripts/recordmcount.h
+++ b/scripts/recordmcount.h
@@ -192,15 +192,20 @@ static unsigned int get_symindex(Elf_Sym const *sym, Elf32_Word const *symtab,
Elf32_Word const *symtab_shndx)
{
unsigned long offset;
+ unsigned short shndx = w2(sym->st_shndx);
int index;
- if (sym->st_shndx != SHN_XINDEX)
- return w2(sym->st_shndx);
+ if (shndx > SHN_UNDEF && shndx < SHN_LORESERVE)
+ return shndx;
- offset = (unsigned long)sym - (unsigned long)symtab;
- index = offset / sizeof(*sym);
+ if (shndx == SHN_XINDEX) {
+ offset = (unsigned long)sym - (unsigned long)symtab;
+ index = offset / sizeof(*sym);
- return w(symtab_shndx[index]);
+ return w(symtab_shndx[index]);
+ }
+
+ return 0;
}
static unsigned int get_shnum(Elf_Ehdr const *ehdr, Elf_Shdr const *shdr0)