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Diffstat (limited to 'scripts/link-vmlinux.sh')
-rwxr-xr-xscripts/link-vmlinux.sh38
1 files changed, 19 insertions, 19 deletions
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 915775eb2921..2438a9faf3f1 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -60,6 +60,7 @@ modpost_link()
# ${2} - output file
vmlinux_link()
{
+ info LD ${2}
local lds="${objtree}/${KBUILD_LDS}"
local objects
@@ -138,6 +139,18 @@ kallsyms()
${CC} ${aflags} -c -o ${2} ${afile}
}
+# Perform one step in kallsyms generation, including temporary linking of
+# vmlinux.
+kallsyms_step()
+{
+ kallsymso_prev=${kallsymso}
+ kallsymso=.tmp_kallsyms${1}.o
+ kallsyms_vmlinux=.tmp_vmlinux${1}
+
+ vmlinux_link "${kallsymso_prev}" ${kallsyms_vmlinux}
+ kallsyms ${kallsyms_vmlinux} ${kallsymso}
+}
+
# Create map file with all symbols from ${1}
# See mksymap for additional details
mksysmap()
@@ -216,6 +229,7 @@ info MODINFO modules.builtin.modinfo
${OBJCOPY} -j .modinfo -O binary vmlinux.o modules.builtin.modinfo
kallsymso=""
+kallsymso_prev=""
kallsyms_vmlinux=""
if [ -n "${CONFIG_KALLSYMS}" ]; then
@@ -242,32 +256,18 @@ if [ -n "${CONFIG_KALLSYMS}" ]; then
# a) Verify that the System.map from vmlinux matches the map from
# ${kallsymso}.
- kallsymso=.tmp_kallsyms2.o
- kallsyms_vmlinux=.tmp_vmlinux2
-
- # step 1
- vmlinux_link "" .tmp_vmlinux1
- kallsyms .tmp_vmlinux1 .tmp_kallsyms1.o
-
- # step 2
- vmlinux_link .tmp_kallsyms1.o .tmp_vmlinux2
- kallsyms .tmp_vmlinux2 .tmp_kallsyms2.o
+ kallsyms_step 1
+ kallsyms_step 2
# step 3
- size1=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" .tmp_kallsyms1.o)
- size2=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" .tmp_kallsyms2.o)
+ size1=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" ${kallsymso_prev})
+ size2=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" ${kallsymso})
if [ $size1 -ne $size2 ] || [ -n "${KALLSYMS_EXTRA_PASS}" ]; then
- kallsymso=.tmp_kallsyms3.o
- kallsyms_vmlinux=.tmp_vmlinux3
-
- vmlinux_link .tmp_kallsyms2.o .tmp_vmlinux3
-
- kallsyms .tmp_vmlinux3 .tmp_kallsyms3.o
+ kallsyms_step 3
fi
fi
-info LD vmlinux
vmlinux_link "${kallsymso}" vmlinux
if [ -n "${CONFIG_DEBUG_INFO_BTF}" ]; then