Changeset 57

Timestamp:

Jul 15, 2010, 2:40:32 PM (15 years ago)

Author:

dmik

Message:

hotspot/src: Added OS/2 GCC assembly helper routines.

Location:

trunk/openjdk/hotspot/src/os_cpu/os2_x86

Files:

• . (added)
• vm (added)
• vm/os2_x86_32.s (copied) (copied from trunk/openjdk/hotspot/src/os_cpu/linux_x86/vm/linux_x86_32.s ) (10 diffs)

trunk/openjdk/hotspot/src/os_cpu/os2_x86/vm/os2_x86_32.s

@@ -22 +22 @@
 # 
 
+
+# NOTE: This file is basically a copy of linux_x86-32.s with unnecessary
+# functions thrown away
         
-        # NOTE WELL!  The _Copy functions are called directly
+
+        # NOTE WELL!  The __Copy functions are called directly
         # from server-compiler-generated code via CallLeafNoFP,
         # which means that they *must* either not use floating
@@ -29 +33 @@
         # compiler.
         
-        .globl _Copy_conjoint_bytes
-        .globl _Copy_arrayof_conjoint_bytes
-        .globl _Copy_conjoint_jshorts_atomic
-        .globl _Copy_arrayof_conjoint_jshorts
-        .globl _Copy_conjoint_jints_atomic
-        .globl _Copy_arrayof_conjoint_jints
-        .globl _Copy_conjoint_jlongs_atomic
-        .globl _mmx_Copy_arrayof_conjoint_jshorts
-
-        .globl _Atomic_cmpxchg_long
+        .globl __Copy_conjoint_bytes
+        .globl __Copy_arrayof_conjoint_bytes
+        .globl __Copy_conjoint_jshorts_atomic
+        .globl __Copy_arrayof_conjoint_jshorts
+        .globl __Copy_conjoint_jints_atomic
+        .globl __Copy_arrayof_conjoint_jints
+        .globl __Copy_conjoint_jlongs_atomic
+        .globl __mmx_Copy_arrayof_conjoint_jshorts
+
+        .globl __Atomic_cmpxchg_long
 
         .text
-
-        .globl  SafeFetch32, Fetch32PFI, Fetch32Resume
-        .globl  SafeFetchN
-        ## TODO: avoid exposing Fetch32PFI and Fetch32Resume.
-        ## Instead, the signal handler would call a new SafeFetchTriage(FaultingEIP)
-        ## routine to vet the address.  If the address is the faulting LD then
-        ## SafeFetchTriage() would return the resume-at EIP, otherwise null.
-        .type    SafeFetch32,@function
-        .p2align 4,,15
-SafeFetch32:
-SafeFetchN:
-         movl    0x8(%esp), %eax
-         movl    0x4(%esp), %ecx
-Fetch32PFI:
-         movl    (%ecx), %eax
-Fetch32Resume:
-         ret
-
-
-        .globl  SpinPause
-        .type   SpinPause,@function
-        .p2align 4,,15
-SpinPause:
-        rep
-        nop
-        movl    $1, %eax
-        ret
 
         # Support for void Copy::conjoint_bytes(void* from,
@@ -73 +50 @@
         #                                       size_t count)
         .p2align 4,,15
-        .type    _Copy_conjoint_bytes,@function
-_Copy_conjoint_bytes:
+        .type    __Copy_conjoint_bytes,@function
+__Copy_conjoint_bytes:
         pushl    %esi
         movl     4+12(%esp),%ecx      # count
@@ -179 +156 @@
         #                                               size_t count)
         #
-        # Same as _Copy_conjoint_bytes, except no source alignment check.
-        .p2align 4,,15
-        .type    _Copy_arrayof_conjoint_bytes,@function
-_Copy_arrayof_conjoint_bytes:
+        # Same as __Copy_conjoint_bytes, except no source alignment check.
+        .p2align 4,,15
+        .type    __Copy_arrayof_conjoint_bytes,@function
+__Copy_arrayof_conjoint_bytes:
         pushl    %esi
         movl     4+12(%esp),%ecx      # count
@@ -269 +246 @@
         #                                                size_t count)
         .p2align 4,,15
-        .type    _Copy_conjoint_jshorts_atomic,@function
-_Copy_conjoint_jshorts_atomic:
+        .type    __Copy_conjoint_jshorts_atomic,@function
+__Copy_conjoint_jshorts_atomic:
         pushl    %esi
         movl     4+12(%esp),%ecx      # count
@@ -355 +332 @@
         #                                                 size_t count)
         .p2align 4,,15
-        .type    _Copy_arrayof_conjoint_jshorts,@function
-_Copy_arrayof_conjoint_jshorts:
+        .type    __Copy_arrayof_conjoint_jshorts,@function
+__Copy_arrayof_conjoint_jshorts:
         pushl    %esi
         movl     4+12(%esp),%ecx      # count
@@ -432 +409 @@
         #   arrayof_conjoint_jints
         .p2align 4,,15
-        .type    _Copy_conjoint_jints_atomic,@function
-        .type    _Copy_arrayof_conjoint_jints,@function
-_Copy_conjoint_jints_atomic:
-_Copy_arrayof_conjoint_jints:
+        .type    __Copy_conjoint_jints_atomic,@function
+        .type    __Copy_arrayof_conjoint_jints,@function
+__Copy_conjoint_jints_atomic:
+__Copy_arrayof_conjoint_jints:
         pushl    %esi
         movl     4+12(%esp),%ecx      # count
@@ -505 +482 @@
         # }
         .p2align 4,,15
-        .type    _Copy_conjoint_jlongs_atomic,@function
-_Copy_conjoint_jlongs_atomic:
+        .type    __Copy_conjoint_jlongs_atomic,@function
+__Copy_conjoint_jlongs_atomic:
         movl     4+8(%esp),%ecx       # count
         movl     4+0(%esp),%eax       # from
@@ -534 +511 @@
         #                                                 size_t count)
         .p2align 4,,15
-        .type    _mmx_Copy_arrayof_conjoint_jshorts,@function
-_mmx_Copy_arrayof_conjoint_jshorts:
+        .type    __mmx_Copy_arrayof_conjoint_jshorts,@function
+__mmx_Copy_arrayof_conjoint_jshorts:
         pushl    %esi
         movl     4+12(%esp),%ecx
@@ -633 +610 @@
         #
         .p2align 4,,15
-        .type    _Atomic_cmpxchg_long,@function
-_Atomic_cmpxchg_long:
+        .type    __Atomic_cmpxchg_long,@function
+__Atomic_cmpxchg_long:
                                    #  8(%esp) : return PC
         pushl    %ebx              #  4(%esp) : old %ebx