From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/powerpc/include/asm/sections.h | 44 +++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 arch/powerpc/include/asm/sections.h (limited to 'arch/powerpc/include/asm/sections.h') diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h new file mode 100644 index 00000000..4ee06fe1 --- /dev/null +++ b/arch/powerpc/include/asm/sections.h @@ -0,0 +1,44 @@ +#ifndef _ASM_POWERPC_SECTIONS_H +#define _ASM_POWERPC_SECTIONS_H +#ifdef __KERNEL__ + +#include +#include +#include + +#ifdef __powerpc64__ + +extern char __end_interrupts[]; + +extern char __prom_init_toc_start[]; +extern char __prom_init_toc_end[]; + +static inline int in_kernel_text(unsigned long addr) +{ + if (addr >= (unsigned long)_stext && addr < (unsigned long)__init_end) + return 1; + + return 0; +} + +static inline int overlaps_kernel_text(unsigned long start, unsigned long end) +{ + return start < (unsigned long)__init_end && + (unsigned long)_stext < end; +} + +#undef dereference_function_descriptor +static inline void *dereference_function_descriptor(void *ptr) +{ + struct ppc64_opd_entry *desc = ptr; + void *p; + + if (!probe_kernel_address(&desc->funcaddr, p)) + ptr = p; + return ptr; +} + +#endif + +#endif /* __KERNEL__ */ +#endif /* _ASM_POWERPC_SECTIONS_H */ -- cgit v1.3.1