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linux
um: merge processor_{32,64}.h a bit...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
authored by
Al Viro
and committed by
Richard Weinberger
c56334db
10c890c0
+10
-20
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arch/x86/um/asm/processor.h
+10
arch/x86/um/asm/processor.h
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#define ARCH_IS_STACKGROW(address) \
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(address + 65536 + 32 * sizeof(unsigned long) >= UPT_SP(¤t->thread.regs.regs))
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#include <asm/user.h>
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/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
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static inline void rep_nop(void)
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{
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__asm__ __volatile__("rep;nop": : :"memory");
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}
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#define cpu_relax() rep_nop()
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#include <asm/processor-generic.h>
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#endif
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arch/x86/um/asm/processor_32.h
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arch/x86/um/asm/processor_32.h
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memcpy(&to->tls_array, &from->tls_array, sizeof(from->tls_array));
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}
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#include <asm/user.h>
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/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
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static inline void rep_nop(void)
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{
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__asm__ __volatile__("rep;nop": : :"memory");
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}
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#define cpu_relax() rep_nop()
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/*
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* Default implementation of macro that returns current
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* instruction pointer ("program counter"). Stolen
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arch/x86/um/asm/processor_64.h
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arch/x86/um/asm/processor_64.h
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struct faultinfo faultinfo;
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};
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/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
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static inline void rep_nop(void)
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{
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__asm__ __volatile__("rep;nop": : :"memory");
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}
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#define cpu_relax() rep_nop()
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-
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#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \
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.debugregs_seq = 0, \
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.fs = 0, \
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{
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to->fs = from->fs;
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}
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#include <asm/user.h>
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#define current_text_addr() \
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({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; })