update sources to v12.2.3

[ceph.git] / ceph / src / boost / libs / context / src / asm / jump_i386_ms_pe_gas.asm

diff --git a/ceph/src/boost/libs/context/src/asm/jump_i386_ms_pe_gas.asm b/ceph/src/boost/libs/context/src/asm/jump_i386_ms_pe_gas.asm
index 8c44a73bbad845f182c0b8267f00b3820be18b90..8512a3d08811baf1c7c4c5cb98a197a356efa39c 100644 (file)
--- a/ceph/src/boost/libs/context/src/asm/jump_i386_ms_pe_gas.asm
+++ b/ceph/src/boost/libs/context/src/asm/jump_i386_ms_pe_gas.asm
@@ -12,16 +12,16 @@
 *  --------------------------------------------------------------------------------- *
 *  |    0h   |   04h   |   08h   |   0ch   |   010h  |   014h  |   018h  |   01ch  | *
 *  --------------------------------------------------------------------------------- *
-*  | fc_strg |fc_deallo|  limit  |   base  |  fc_seh |   EDI   |   ESI   |   EBX   | *
+*  | fc_mxcsr|fc_x87_cw| fc_strg |fc_deallo|  limit  |   base  |  fc_seh |   EDI   | *
 *  --------------------------------------------------------------------------------- *
 *  --------------------------------------------------------------------------------- *
 *  |    8    |    9    |   10    |    11   |    12   |    13   |    14   |    15   | *
 *  --------------------------------------------------------------------------------- *
 *  |   020h  |  024h   |  028h   |   02ch  |   030h  |   034h  |   038h  |   03ch  | *
 *  --------------------------------------------------------------------------------- *
-*  |   EBP   |   EIP   |    to   |   data  |         |  EH NXT |SEH HNDLR|         | *
+*  |   ESI   |   EBX   |   EBP   |   EIP   |    to   |   data  |  EH NXT |SEH HNDLR| *
 *  --------------------------------------------------------------------------------- *
-*************************************************************************************/
+**************************************************************************************/
 
 .file  "jump_i386_ms_pe_gas.asm"
 .text
@@ -29,77 +29,89 @@
 .globl _jump_fcontext
 .def   _jump_fcontext; .scl    2;      .type   32;     .endef
 _jump_fcontext:
-    pushl  %ebp  /* save EBP */
-    pushl  %ebx  /* save EBX */
-    pushl  %esi  /* save ESI */
-    pushl  %edi  /* save EDI */
+    /* prepare stack */
+    leal  -0x2c(%esp), %esp
+
+#if !defined(BOOST_USE_TSX)
+    /* save MMX control- and status-word */
+    stmxcsr  (%esp)
+    /* save x87 control-word */
+    fnstcw  0x4(%esp)
+#endif
 
     /* load NT_TIB */
     movl  %fs:(0x18), %edx
-
+    /* load fiber local storage */
+    movl  0x10(%edx), %eax
+    movl  %eax, 0x8(%esp)
+    /* load current dealloction stack */
+    movl  0xe0c(%edx), %eax
+    movl  %eax, 0xc(%esp)
+    /* load current stack limit */
+    movl  0x8(%edx), %eax
+    movl  %eax, 0x10(%esp)
+    /* load current stack base */
+    movl  0x4(%edx), %eax
+    movl  %eax, 0x14(%esp)
     /* load current SEH exception list */
     movl  (%edx), %eax
-    push  %eax
+    movl  %eax, 0x18(%esp)
 
-    /* load current stack base */
-    movl  0x04(%edx), %eax
-    push  %eax
-
-    /* load current stack limit */
-    movl  0x08(%edx), %eax
-    push  %eax
-    
-    /* load current dealloction stack */
-    movl  0xe0c(%edx), %eax
-    push  %eax
-    
-    /* load fiber local storage */
-    movl  0x10(%edx), %eax
-    push  %eax
+    movl  %edi, 0x1c(%esp)  /* save EDI */
+    movl  %esi, 0x20(%esp)  /* save ESI */
+    movl  %ebx, 0x24(%esp)  /* save EBX */
+    movl  %ebp, 0x28(%esp)  /* save EBP */
 
     /* store ESP (pointing to context-data) in EAX */
     movl  %esp, %eax
 
-    /* first arg of jump_fcontext() == fcontext to jump to */
-    movl  0x28(%esp), %ecx
-
-    /* restore ESP (pointing to context-data) from EDX */
+    /* firstarg of jump_fcontext() == fcontext to jump to */
+    movl  0x30(%esp), %ecx
+    
+    /* restore ESP (pointing to context-data) from ECX */
     movl  %ecx, %esp
 
-    /* load NT_TIB into ECX */
-    movl  %fs:(0x18), %edx
+#if !defined(BOOST_USE_TSX)
+    /* restore MMX control- and status-word */
+    ldmxcsr  (%esp)
+    /* restore x87 control-word */
+    fldcw  0x4(%esp)
+#endif
 
+    /* restore NT_TIB into EDX */
+    movl  %fs:(0x18), %edx
     /* restore fiber local storage */
-    popl  %ecx
+    movl  0x8(%esp), %ecx
     movl  %ecx, 0x10(%edx)
-
     /* restore current deallocation stack */
-    popl  %ecx
+    movl  0xc(%esp), %ecx
     movl  %ecx, 0xe0c(%edx)
-
     /* restore current stack limit */
-    popl  %ecx
-    movl  %ecx, 0x08(%edx)
-
+    movl  0x10(%esp), %ecx
+    movl  %ecx, 0x8(%edx)
     /* restore current stack base */
-    popl  %ecx
-    movl  %ecx, 0x04(%edx)
-
+    movl  0x14(%esp), %ecx
+    movl  %ecx, 0x4(%edx)
     /* restore current SEH exception list */
-    popl  %ecx
+    movl  0x18(%esp), %ecx
     movl  %ecx, (%edx)
 
-    popl  %edi  /* save EDI */
-    popl  %esi  /* save ESI */
-    popl  %ebx  /* save EBX */
-    popl  %ebp  /* save EBP */
+    movl  0x2c(%esp), %ecx  /* restore EIP */
+
+    movl  0x1c(%esp), %edi  /* restore EDI */
+    movl  0x20(%esp), %esi  /* restore ESI */
+    movl  0x24(%esp), %ebx  /* restore EBX */
+    movl  0x28(%esp), %ebp  /* restore EBP */
+
+    /* prepare stack */
+    leal  0x30(%esp), %esp
 
     /* return transfer_t */
     /* FCTX == EAX, DATA == EDX */
-    movl  0x2c(%eax), %edx
+    movl  0x34(%eax), %edx
 
     /* jump to context */
-    ret
+    jmp *%ecx
 
 .section .drectve
 .ascii " -export:\"jump_fcontext\""