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powerpc: Move PPC_HA() PPC_HI() and PPC_LO() to ppc-opcode.h

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PPC_HA() PPC_HI() and PPC_LO() macros are nice macros. Move them
from module64.c to ppc-opcode.h in order to use them in other places.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[mpe: Clean up formatting in new code, drop duplicates in ftrace.c]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2019-05-03 06:40:15 +00:00 • committed by Michael Ellerman
parent 2fb0a2c989
commit 7f9c929a7f
3 changed files with 9 additions and 11 deletions
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7
arch/powerpc/kernel/module_64.c
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@ -400,13 +400,6 @@ static inline unsigned long my_r2(const Elf64_Shdr *sechdrs, struct module *me)
return (sechdrs[me->arch.toc_section].sh_addr & ~0xfful) + 0x8000;
}
/* Both low and high 16 bits are added as SIGNED additions, so if low
16 bits has high bit set, high 16 bits must be adjusted. These
macros do that (stolen from binutils). */
#define PPC_LO(v) ((v) & 0xffff)
#define PPC_HI(v) (((v) >> 16) & 0xffff)
#define PPC_HA(v) PPC_HI ((v) + 0x8000)
/* Patch stub to reference function and correct r2 value. */
static inline int create_stub(const Elf64_Shdr *sechdrs,
struct ppc64_stub_entry *entry,