gcc doesn't really look inside "asm" statements and more or less directly emits it into assembly. So pretend "#define" is CPU instruction.
C++ comment can't be used because sparc assembler doesn't understand it. Signed-off-by: Alexey Dobriyan <[email protected]> --- This one compiles on Sparc and UML. Kbuild | 12 +----------- arch/ia64/kernel/Makefile | 8 +------- arch/um/Makefile | 2 +- arch/x86/um/shared/sysdep/kernel-offsets.h | 2 +- arch/x86/um/user-offsets.c | 4 ++-- include/linux/kbuild.h | 2 +- scripts/mod/Makefile | 11 +---------- 7 files changed, 8 insertions(+), 33 deletions(-) --- a/Kbuild +++ b/Kbuild @@ -7,14 +7,6 @@ # 4) Check for missing system calls # 5) Generate constants.py (may need bounds.h) -# Default sed regexp - multiline due to syntax constraints -define sed-y - "/^->/{s:->#\(.*\):/* \1 */:; \ - s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \ - s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \ - s:->::; p;}" -endef - # Use filechk to avoid rebuilds when a header changes, but the resulting file # does not define filechk_offsets @@ -26,9 +18,7 @@ define filechk_offsets echo " *"; \ echo " * This file was generated by Kbuild"; \ echo " */"; \ - echo ""; \ - sed -ne $(sed-y); \ - echo ""; \ + sed -ne '/#define/{s/\$$//;s/#//2;s/$$/*\//;p;}'; \ echo "#endif" ) endef --- a/arch/ia64/kernel/Makefile +++ b/arch/ia64/kernel/Makefile @@ -50,10 +50,6 @@ CFLAGS_traps.o += -mfixed-range=f2-f5,f16-f31 # The gate DSO image is built using a special linker script. include $(src)/Makefile.gate -# Calculate NR_IRQ = max(IA64_NATIVE_NR_IRQS, XEN_NR_IRQS, ...) based on config -define sed-y - "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}" -endef quiet_cmd_nr_irqs = GEN $@ define cmd_nr_irqs (set -e; \ @@ -65,9 +61,7 @@ define cmd_nr_irqs echo " * This file was generated by Kbuild"; \ echo " *"; \ echo " */"; \ - echo ""; \ - sed -ne $(sed-y) $<; \ - echo ""; \ + sed -ne '/#define/{s/\$$//;s/#//2;s/$$/*\//p;}' $<; \ echo "#endif" ) > $@ endef --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -158,7 +158,7 @@ define filechk_gen-asm-offsets echo " *"; \ echo " */"; \ echo ""; \ - sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \ + sed -ne '/#define/{s/\$$//;s/#//2;s/$$/*\//p;}'; \ echo ""; ) endef --- a/arch/x86/um/shared/sysdep/kernel-offsets.h +++ b/arch/x86/um/shared/sysdep/kernel-offsets.h @@ -5,7 +5,7 @@ #include <asm/mman.h> #define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) + asm volatile ("#define " #sym " %0 /*" #val :: "i" (val)) #define BLANK() asm volatile("\n->" : : ) --- a/arch/x86/um/user-offsets.c +++ b/arch/x86/um/user-offsets.c @@ -21,10 +21,10 @@ static char syscalls[] = { #endif #define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) + asm volatile ("#define " #sym " %0 /*" #val :: "i" (val)) #define DEFINE_LONGS(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long))) + asm volatile ("#define " #sym " %0 /*" #val :: "i" (val / sizeof(unsigned long))) void foo(void) { --- a/include/linux/kbuild.h +++ b/include/linux/kbuild.h @@ -2,7 +2,7 @@ #define __LINUX_KBUILD_H #define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) + asm volatile ("#define " #sym " %0 /*" #val :: "i" (val)) #define BLANK() asm volatile("\n->" : : ) --- a/scripts/mod/Makefile +++ b/scripts/mod/Makefile @@ -7,13 +7,6 @@ modpost-objs := modpost.o file2alias.o sumversion.o devicetable-offsets-file := devicetable-offsets.h -define sed-y - "/^->/{s:->#\(.*\):/* \1 */:; \ - s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \ - s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \ - s:->::; p;}" -endef - quiet_cmd_offsets = GEN $@ define cmd_offsets (set -e; \ @@ -25,9 +18,7 @@ define cmd_offsets echo " * This file was generated by Kbuild"; \ echo " *"; \ echo " */"; \ - echo ""; \ - sed -ne $(sed-y) $<; \ - echo ""; \ + sed -ne '/#define/{s/\$$//;s/#//2;s/$$/*\//;p;}' $<; \ echo "#endif" ) > $@ endef
