src/os_cpu/bsd_x86/vm/bsd_x86_64.s

rev 2698 : new bsd files

*** 19,71 ****
  # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  # or visit www.oracle.com if you need additional information or have any
  # questions.
  #
  
  
          # NOTE WELL!  The _Copy functions are called directly
          # from server-compiler-generated code via CallLeafNoFP,
          # which means that they *must* either not use floating
          # point or use it in the same manner as does the server
          # compiler.
          
!         .globl _Copy_arrayof_conjoint_bytes
!         .globl _Copy_arrayof_conjoint_jshorts
!         .globl _Copy_conjoint_jshorts_atomic
!         .globl _Copy_arrayof_conjoint_jints
!         .globl _Copy_conjoint_jints_atomic
!         .globl _Copy_arrayof_conjoint_jlongs
!         .globl _Copy_conjoint_jlongs_atomic
  
          .text
  
!         .globl SafeFetch32, Fetch32PFI, Fetch32Resume
          .align  16
!         .type   SafeFetch32,@function
          // Prototype: int SafeFetch32 (int * Adr, int ErrValue) 
! SafeFetch32:
          movl    %esi, %eax
! Fetch32PFI:
          movl    (%rdi), %eax
! Fetch32Resume:
          ret
  
!         .globl SafeFetchN, FetchNPFI, FetchNResume
          .align  16
!         .type   SafeFetchN,@function
          // Prototype: intptr_t SafeFetchN (intptr_t * Adr, intptr_t ErrValue) 
! SafeFetchN:
          movq    %rsi, %rax
! FetchNPFI:
          movq    (%rdi), %rax
! FetchNResume:
          ret
  
!         .globl SpinPause
          .align 16
!         .type  SpinPause,@function
! SpinPause:
          rep
          nop
          movq   $1, %rax
          ret
  
--- 19,91 ----
  # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  # or visit www.oracle.com if you need additional information or have any
  # questions.
  #
  
+ #ifdef __APPLE__
+ # Darwin uses _ prefixed global symbols
+ #define SYMBOL(s) _ ## s
+ #define ELF_TYPE(name, description)
+ #else
+ #define SYMBOL(s) s
+ #define ELF_TYPE(name, description) .type name,description
+ #endif
  
          # NOTE WELL!  The _Copy functions are called directly
          # from server-compiler-generated code via CallLeafNoFP,
          # which means that they *must* either not use floating
          # point or use it in the same manner as does the server
          # compiler.
          
!         .globl SYMBOL(_Copy_arrayof_conjoint_bytes)
!         .globl SYMBOL(_Copy_arrayof_conjoint_jshorts)
!         .globl SYMBOL(_Copy_conjoint_jshorts_atomic)
!         .globl SYMBOL(_Copy_arrayof_conjoint_jints)
!         .globl SYMBOL(_Copy_conjoint_jints_atomic)
!         .globl SYMBOL(_Copy_arrayof_conjoint_jlongs)
!         .globl SYMBOL(_Copy_conjoint_jlongs_atomic)
  
          .text
  
!         .globl SYMBOL(SafeFetch32), SYMBOL(Fetch32PFI), SYMBOL(Fetch32Resume)
! #ifdef __APPLE__
!         .align  4
! #else
          .align  16
! #endif
!         ELF_TYPE(SafeFetch32,@function)
          // Prototype: int SafeFetch32 (int * Adr, int ErrValue) 
! SYMBOL(SafeFetch32):
          movl    %esi, %eax
! SYMBOL(Fetch32PFI):
          movl    (%rdi), %eax
! SYMBOL(Fetch32Resume):
          ret
  
!         .globl SYMBOL(SafeFetchN), SYMBOL(FetchNPFI), SYMBOL(FetchNResume)
! #ifdef __APPLE__
!         .align  4
! #else
          .align  16
! #endif
!         ELF_TYPE(SafeFetchN,@function)
          // Prototype: intptr_t SafeFetchN (intptr_t * Adr, intptr_t ErrValue) 
! SYMBOL(SafeFetchN):
          movq    %rsi, %rax
! SYMBOL(FetchNPFI):
          movq    (%rdi), %rax
! SYMBOL(FetchNResume):
          ret
  
!         .globl SYMBOL(SpinPause)
! #ifdef __APPLE__
!         .align  4
! #else
          .align  16
! #endif
!         ELF_TYPE(SpinPause,@function)
! SYMBOL(SpinPause):
          rep
          nop
          movq   $1, %rax
          ret
  
*** 75,86 ****
          # rdi - from
          # rsi - to
          # rdx - count, treated as ssize_t
          #
          .p2align 4,,15
!         .type    _Copy_arrayof_conjoint_bytes,@function
! _Copy_arrayof_conjoint_bytes:
          movq     %rdx,%r8             # byte count
          shrq     $3,%rdx              # qword count
          cmpq     %rdi,%rsi
          leaq     -1(%rdi,%r8,1),%rax  # from + bcount*1 - 1
          jbe      acb_CopyRight
--- 95,106 ----
          # rdi - from
          # rsi - to
          # rdx - count, treated as ssize_t
          #
          .p2align 4,,15
!         ELF_TYPE(_Copy_arrayof_conjoint_bytes,@function)
! SYMBOL(_Copy_arrayof_conjoint_bytes):
          movq     %rdx,%r8             # byte count
          shrq     $3,%rdx              # qword count
          cmpq     %rdi,%rsi
          leaq     -1(%rdi,%r8,1),%rax  # from + bcount*1 - 1
          jbe      acb_CopyRight
*** 177,190 ****
          # rdi - from
          # rsi - to
          # rdx - count, treated as ssize_t
          #
          .p2align 4,,15
!         .type    _Copy_arrayof_conjoint_jshorts,@function
!         .type    _Copy_conjoint_jshorts_atomic,@function
! _Copy_arrayof_conjoint_jshorts:
! _Copy_conjoint_jshorts_atomic:
          movq     %rdx,%r8             # word count
          shrq     $2,%rdx              # qword count
          cmpq     %rdi,%rsi
          leaq     -2(%rdi,%r8,2),%rax  # from + wcount*2 - 2
          jbe      acs_CopyRight
--- 197,210 ----
          # rdi - from
          # rsi - to
          # rdx - count, treated as ssize_t
          #
          .p2align 4,,15
!         ELF_TYPE(_Copy_arrayof_conjoint_jshorts,@function)
!         ELF_TYPE(_Copy_conjoint_jshorts_atomic,@function)
! SYMBOL(_Copy_arrayof_conjoint_jshorts):
! SYMBOL(_Copy_conjoint_jshorts_atomic):
          movq     %rdx,%r8             # word count
          shrq     $2,%rdx              # qword count
          cmpq     %rdi,%rsi
          leaq     -2(%rdi,%r8,2),%rax  # from + wcount*2 - 2
          jbe      acs_CopyRight
*** 267,280 ****
          # rdi - from
          # rsi - to
          # rdx - count, treated as ssize_t
          #
          .p2align 4,,15
!         .type    _Copy_arrayof_conjoint_jints,@function
!         .type    _Copy_conjoint_jints_atomic,@function
! _Copy_arrayof_conjoint_jints:
! _Copy_conjoint_jints_atomic:
          movq     %rdx,%r8             # dword count
          shrq     %rdx                 # qword count
          cmpq     %rdi,%rsi
          leaq     -4(%rdi,%r8,4),%rax  # from + dcount*4 - 4
          jbe      aci_CopyRight
--- 287,300 ----
          # rdi - from
          # rsi - to
          # rdx - count, treated as ssize_t
          #
          .p2align 4,,15
!         ELF_TYPE(_Copy_arrayof_conjoint_jints,@function)
!         ELF_TYPE(_Copy_conjoint_jints_atomic,@function)
! SYMBOL(_Copy_arrayof_conjoint_jints):
! SYMBOL(_Copy_conjoint_jints_atomic):
          movq     %rdx,%r8             # dword count
          shrq     %rdx                 # qword count
          cmpq     %rdi,%rsi
          leaq     -4(%rdi,%r8,4),%rax  # from + dcount*4 - 4
          jbe      aci_CopyRight
*** 346,359 ****
          # rdi - from
          # rsi - to
          # rdx - count, treated as ssize_t
          #
          .p2align 4,,15
!         .type    _Copy_arrayof_conjoint_jlongs,@function
!         .type    _Copy_conjoint_jlongs_atomic,@function
! _Copy_arrayof_conjoint_jlongs:
! _Copy_conjoint_jlongs_atomic:
          cmpq     %rdi,%rsi
          leaq     -8(%rdi,%rdx,8),%rax # from + count*8 - 8
          jbe      acl_CopyRight
          cmpq     %rax,%rsi
          jbe      acl_CopyLeft 
--- 366,379 ----
          # rdi - from
          # rsi - to
          # rdx - count, treated as ssize_t
          #
          .p2align 4,,15
!         ELF_TYPE(_Copy_arrayof_conjoint_jlongs,@function)
!         ELF_TYPE(_Copy_conjoint_jlongs_atomic,@function)
! SYMBOL(_Copy_arrayof_conjoint_jlongs):
! SYMBOL(_Copy_conjoint_jlongs_atomic):
          cmpq     %rdi,%rsi
          leaq     -8(%rdi,%rdx,8),%rax # from + count*8 - 8
          jbe      acl_CopyRight
          cmpq     %rax,%rsi
          jbe      acl_CopyLeft