=== nm pristine global.o (build-tree rules) ===
### nm pristine global.o: DEFINED
0000000000000048 A gd_cpuid
0000000000000050 A gd_cpumask
0000000000000008 A gd_curthread
0000000000003a90 A gd_npxthread
0000000000000070 A gd_other_cpus
0000000000000000 A globaldata
### nm pristine global.o: UNDEFINED
                 U GD_CNT
                 U GD_COMMON_TSS
                 U GD_COMMON_TSSD
                 U GD_CURRENTLDT
                 U GD_FPENDING
                 U GD_FPU_LOCK
                 U GD_INTR_NESTING_LEVEL
                 U GD_IPENDING
                 U GD_PRV_CADDR1
                 U GD_PRV_CADDR2
                 U GD_PRV_CADDR3
                 U GD_PRV_CMAP1
                 U GD_PRV_CMAP2
                 U GD_PRV_CMAP3
                 U GD_PRV_PADDR1
                 U GD_PRV_PMAP1
                 U GD_REQFLAGS
                 U GD_SAVEFPU
                 U GD_SPENDING
                 U GD_SS_EFLAGS
                 U GD_TSS_GDT
                 U bcopy
                 U bzero
                 U memcmp
                 U memcpy
                 U memmove

=== final VKERNEL64 binary (exact SYSTEM_LD semantics, build-id stub for unrelated kern_mib buster) ===
=== nm /tmp/kernel.dangleproof (BASELINE, pristine global.o): defined gd_*/globaldata
0000000000000048 A gd_cpuid
0000000000000050 A gd_cpumask
0000000000000008 A gd_curthread
0000000000003a90 A gd_npxthread
0000000000000070 A gd_other_cpus
0000000000000000 A globaldata

=== undefined GD_* count:
21

=== undefined GD_* list:
                 U GD_CNT
                 U GD_COMMON_TSS
                 U GD_COMMON_TSSD
                 U GD_CURRENTLDT
                 U GD_FPENDING
                 U GD_FPU_LOCK
                 U GD_INTR_NESTING_LEVEL
                 U GD_IPENDING
                 U GD_PRV_CADDR1
                 U GD_PRV_CADDR2
                 U GD_PRV_CADDR3
                 U GD_PRV_CMAP1
                 U GD_PRV_CMAP2
                 U GD_PRV_CMAP3
                 U GD_PRV_PADDR1
                 U GD_PRV_PMAP1
                 U GD_REQFLAGS
                 U GD_SAVEFPU
                 U GD_SPENDING
                 U GD_SS_EFLAGS
                 U GD_TSS_GDT

=== relocations against GD_* (objdump -r):
0
=== relocations against GD_* (readelf -r):
0