[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / SetJump.S

#------------------------------------------------------------------------------\r
#\r
# Copyright (c) 2006, Intel Corporation\r
# All rights reserved. This program and the accompanying materials\r
# are licensed and made available under the terms and conditions of the BSD License\r
# which accompanies this distribution.  The full text of the license may be found at\r
# http://opensource.org/licenses/bsd-license.php\r
#\r
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
#\r
# Module Name:\r
#\r
#   SetJump.Asm\r
#\r
# Abstract:\r
#\r
#   Implementation of SetJump() on IA-32.\r
#\r
#------------------------------------------------------------------------------\r
\r
.globl ASM_PFX(SetJump), ASM_PFX(InternalAssertJumpBuffer)\r
\r
#------------------------------------------------------------------------------\r
# UINTN\r
# EFIAPI\r
# SetJump (\r
#   OUT     BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer\r
#   );\r
#------------------------------------------------------------------------------\r
ASM_PFX(SetJump):\r
    pushl   0x4(%esp)\r
    call    ASM_PFX(InternalAssertJumpBuffer)\r
    pop     %ecx\r
    pop     %ecx\r
    movl    (%esp), %edx\r
    movl    %ebx, (%edx)\r
    movl    %esi, 4(%edx)\r
    movl    %edi, 8(%edx)\r
    movl    %ebp, 12(%edx)\r
    movl    %esp, 16(%edx)\r
    movl    %ecx, 20(%edx)\r
    xorl    %eax, %eax\r
    jmp     *%ecx\r
Commit	Line	Data
e1f414b6	1	#------------------------------------------------------------------------------\r
	2	#\r
	3	# Copyright (c) 2006, Intel Corporation\r
	4	# All rights reserved. This program and the accompanying materials\r
	5	# are licensed and made available under the terms and conditions of the BSD License\r
	6	# which accompanies this distribution. The full text of the license may be found at\r
	7	# http://opensource.org/licenses/bsd-license.php\r
	8	#\r
	9	# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	10	# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	11	#\r
	12	# Module Name:\r
	13	#\r
	14	# SetJump.Asm\r
	15	#\r
	16	# Abstract:\r
	17	#\r
	18	# Implementation of SetJump() on IA-32.\r
	19	#\r
	20	#------------------------------------------------------------------------------\r
	21	\r
	22	.globl ASM_PFX(SetJump), ASM_PFX(InternalAssertJumpBuffer)\r
	23	\r
	24	#------------------------------------------------------------------------------\r
	25	# UINTN\r
	26	# EFIAPI\r
	27	# SetJump (\r
	28	# OUT BASE_LIBRARY_JUMP_BUFFER *JumpBuffer\r
	29	# );\r
	30	#------------------------------------------------------------------------------\r
	31	ASM_PFX(SetJump):\r
	32	pushl 0x4(%esp)\r
	33	call ASM_PFX(InternalAssertJumpBuffer)\r
	34	pop %ecx\r
	35	pop %ecx\r
	36	movl (%esp), %edx\r
	37	movl %ebx, (%edx)\r
	38	movl %esi, 4(%edx)\r
	39	movl %edi, 8(%edx)\r
	40	movl %ebp, 12(%edx)\r
	41	movl %esp, 16(%edx)\r
	42	movl %ecx, 20(%edx)\r
	43	xorl %eax, %eax\r
	44	jmp *%ecx\r