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Differential D30019 Diff 91553 sys/amd64/linux/linux_machdep.c

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sys/amd64/linux/linux_machdep.c

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#include <vm/pmap.h> #include <vm/pmap.h>
#include <vm/vm.h> #include <vm/vm.h>
#include <vm/vm_extern.h> #include <vm/vm_extern.h>
#include <vm/vm_kern.h> #include <vm/vm_kern.h>
#include <vm/vm_map.h> #include <vm/vm_map.h>
#include <x86/ifunc.h> #include <x86/ifunc.h>
#include <x86/reg.h>
#include <x86/sysarch.h> #include <x86/sysarch.h>
#include <security/audit/audit.h> #include <security/audit/audit.h>
#include <amd64/linux/linux.h> #include <amd64/linux/linux.h>
#include <amd64/linux/linux_proto.h> #include <amd64/linux/linux_proto.h>
#include <compat/linux/linux_emul.h> #include <compat/linux/linux_emul.h>
#include <compat/linux/linux_file.h> #include <compat/linux/linux_file.h>
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int futex_xorl_nosmap(int oparg, uint32_t *uaddr, int *oldval); int futex_xorl_nosmap(int oparg, uint32_t *uaddr, int *oldval);
int futex_xorl_smap(int oparg, uint32_t *uaddr, int *oldval); int futex_xorl_smap(int oparg, uint32_t *uaddr, int *oldval);
DEFINE_IFUNC(, int, futex_xorl, (int, uint32_t *, int *)) DEFINE_IFUNC(, int, futex_xorl, (int, uint32_t *, int *))
{ {
return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ? return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ?
futex_xorl_smap : futex_xorl_nosmap); futex_xorl_smap : futex_xorl_nosmap);
}
void
bsd_to_linux_regset(struct reg *b_reg, struct linux_pt_regset *l_regset)
{
l_regset->r15 = b_reg->r_r15;
l_regset->r14 = b_reg->r_r14;
l_regset->r13 = b_reg->r_r13;
l_regset->r12 = b_reg->r_r12;
l_regset->rbp = b_reg->r_rbp;
l_regset->rbx = b_reg->r_rbx;
l_regset->r11 = b_reg->r_r11;
l_regset->r10 = b_reg->r_r10;
l_regset->r9 = b_reg->r_r9;
l_regset->r8 = b_reg->r_r8;
l_regset->rax = b_reg->r_rax;
l_regset->rcx = b_reg->r_rcx;
l_regset->rdx = b_reg->r_rdx;
l_regset->rsi = b_reg->r_rsi;
l_regset->rdi = b_reg->r_rdi;
l_regset->orig_rax = b_reg->r_rax;
l_regset->rip = b_reg->r_rip;
l_regset->cs = b_reg->r_cs;
l_regset->eflags = b_reg->r_rflags;
l_regset->rsp = b_reg->r_rsp;
l_regset->ss = b_reg->r_ss;
l_regset->fs_base = 0;
l_regset->gs_base = 0;
l_regset->ds = b_reg->r_ds;
l_regset->es = b_reg->r_es;
l_regset->fs = b_reg->r_fs;
l_regset->gs = b_reg->r_gs;
} }