From f3fe866d59d707c7a2bba0b23add078e19edb3dc Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sun, 20 Jan 2008 18:54:48 +0100 Subject: [PATCH] compiler.h: introduce __section() Add a new helper: __section() that makes a section definition much shorter and more readable. Signed-off-by: Sam Ravnborg --- include/linux/compiler.h | 5 +++++ include/linux/init.h | 26 +++++++++++++------------- 2 files changed, 18 insertions(+), 13 deletions(-) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index c68b67b86ef1..e0114a61268f 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -175,4 +175,9 @@ extern void __chk_io_ptr(const volatile void __iomem *); #define __cold #endif +/* Simple shorthand for a section definition */ +#ifndef __section +# define __section(S) __attribute__ ((__section__(#S))) +#endif + #endif /* __LINUX_COMPILER_H */ diff --git a/include/linux/init.h b/include/linux/init.h index 5141381a7527..998076818402 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -40,10 +40,10 @@ /* These are for everybody (although not all archs will actually discard it in modules) */ -#define __init __attribute__ ((__section__ (".init.text"))) __cold -#define __initdata __attribute__ ((__section__ (".init.data"))) -#define __exitdata __attribute__ ((__section__(".exit.data"))) -#define __exit_call __attribute_used__ __attribute__ ((__section__ (".exitcall.exit"))) +#define __init __section(.init.text) __cold +#define __initdata __section(.init.data) +#define __exitdata __section(.exit.data) +#define __exit_call __attribute_used__ __section(.exitcall.exit) /* modpost check for section mismatches during the kernel build. * A section mismatch happens when there are references from a @@ -55,14 +55,14 @@ * the init/exit section (code or data) is valid and will teach modpost * not to issue a warning. * The markers follow same syntax rules as __init / __initdata. */ -#define __init_refok noinline __attribute__ ((__section__ (".text.init.refok"))) -#define __initdata_refok __attribute__ ((__section__ (".data.init.refok"))) -#define __exit_refok noinline __attribute__ ((__section__ (".exit.text.refok"))) +#define __init_refok noinline __section(.text.init.refok) +#define __initdata_refok __section(.data.init.refok) +#define __exit_refok noinline __section(.exit.text.refok) #ifdef MODULE -#define __exit __attribute__ ((__section__(".exit.text"))) __cold +#define __exit __section(.exit.text) __cold #else -#define __exit __attribute_used__ __attribute__ ((__section__(".exit.text"))) __cold +#define __exit __attribute_used__ __section(.exit.text) __cold #endif /* For assembly routines */ @@ -142,11 +142,11 @@ void prepare_namespace(void); #define console_initcall(fn) \ static initcall_t __initcall_##fn \ - __attribute_used__ __attribute__((__section__(".con_initcall.init")))=fn + __attribute_used__ __section(.con_initcall.init)=fn #define security_initcall(fn) \ static initcall_t __initcall_##fn \ - __attribute_used__ __attribute__((__section__(".security_initcall.init"))) = fn + __attribute_used__ __section(.security_initcall.init) = fn struct obs_kernel_param { const char *str; @@ -164,7 +164,7 @@ struct obs_kernel_param { static char __setup_str_##unique_id[] __initdata __aligned(1) = str; \ static struct obs_kernel_param __setup_##unique_id \ __attribute_used__ \ - __attribute__((__section__(".init.setup"))) \ + __section(.init.setup) \ __attribute__((aligned((sizeof(long))))) \ = { __setup_str_##unique_id, fn, early } @@ -242,7 +242,7 @@ void __init parse_early_param(void); #endif /* Data marked not to be saved by software suspend */ -#define __nosavedata __attribute__ ((__section__ (".data.nosave"))) +#define __nosavedata __section(.data.nosave) /* This means "can be init if no module support, otherwise module load may call it." */ -- 2.20.1