tests/exception_test/direction_flag_x86.S - Issue 616813002: Non-SFI Mode: Enable compiling exception_test for x86-32.

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Side by Side Diff: tests/exception_test/direction_flag_x86.S

Issue 616813002: Non-SFI Mode: Enable compiling exception_test for x86-32. (Closed) Base URL: https://chromium.googlesource.com/native_client/src/native_client.git@master

Patch Set: if defined() instead Created 6 years, 2 months ago

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1 /*	1 /*

2 * Copyright (c) 2012 The Native Client Authors. All rights reserved.	2 * Copyright (c) 2012 The Native Client Authors. All rights reserved.

3 * Use of this source code is governed by a BSD-style license that can be	3 * Use of this source code is governed by a BSD-style license that can be

4 * found in the LICENSE file.	4 * found in the LICENSE file.

5 */	5 */

6	6

7 /*	7 /*

8 * get_x86_direction_flag() returns whether the x86 direction	8 * get_x86_direction_flag() returns whether the x86 direction

9 * flag is set. The normal way of reading the flag is to use	9 * flag is set. The normal way of reading the flag is to use

10 * "pushf", but this instruction is not allowed under NaCl.	10 * "pushf", but this instruction is not allowed under NaCl.

(...skipping 30 matching lines...) Expand all Loading...
41 mov %esp, %edi	41 mov %esp, %edi

42 movsb %ds:(%esi), %es:(%edi)	42 movsb %ds:(%esi), %es:(%edi)

43	43

44 /* Clear %eax */	44 /* Clear %eax */

45 xor %eax, %eax	45 xor %eax, %eax

46 /* This sets the bottom byte of %eax if %edi < %esp (unsigned) */	46 /* This sets the bottom byte of %eax if %edi < %esp (unsigned) */

47 cmp %esp, %edi	47 cmp %esp, %edi

48 setb %al	48 setb %al

49	49

50 add $4, %esp	50 add $4, %esp

	51 #if defined(__native_client_nonsfi__)

	52 ret

	53 #else

51 naclret	54 naclret

	55 #endif

52	56

53 #else	57 #else

54 # error Unknown platform	58 # error Unknown platform

55 #endif	59 #endif

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