src/untrusted/stubs/crti_arm.S - Issue 9816003: GYP build for ARM untrusted runtime.

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Issue 9816003: GYP build for ARM untrusted runtime. (Closed) Base URL: svn://svn.chromium.org/native_client/trunk/src/native_client/

Patch Set: Created 8 years, 9 months ago

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1 /*	1 /*

2 * Copyright 2009, Google Inc.	2 * Copyright 2009, Google Inc.

3 * All rights reserved.	3 * All rights reserved.

4 *	4 *

5 * Redistribution and use in source and binary forms, with or without	5 * Redistribution and use in source and binary forms, with or without

6 * modification, are permitted provided that the following conditions are	6 * modification, are permitted provided that the following conditions are

7 * met:	7 * met:

8 *	8 *

9 * * Redistributions of source code must retain the above copyright	9 * * Redistributions of source code must retain the above copyright

10 * notice, this list of conditions and the following disclaimer.	10 * notice, this list of conditions and the following disclaimer.

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44 #include "native_client/src/trusted/service_runtime/nacl_config.h"	44 #include "native_client/src/trusted/service_runtime/nacl_config.h"

45	45

46 /* TODO(robertm): this should really be sizeof(nc_thread_descriptor_t) */	46 /* TODO(robertm): this should really be sizeof(nc_thread_descriptor_t) */

47 .set TDB_SIZE, 128	47 .set TDB_SIZE, 128

48 /* ====================================================================== */	48 /* ====================================================================== */

49 /* BEGIN .init section */	49 /* BEGIN .init section */

50 /* ====================================================================== */	50 /* ====================================================================== */

51	51

52	52

53 .section .init	53 .section .init

54 .align NACL_ARM_BUNDLE_SIZE_LOG	54 .align NACL_BLOCK_SHIFT

55 .global _init	55 .global _init

56 _init:	56 _init:

57 /* TODO(robertm): check whether r4 needs to be saved */	57 /* TODO(robertm): check whether r4 needs to be saved */

58 push {r4, lr}	58 push {r4, lr}

59 /*	59 /*

60 * The code that follows will be appended by the linker, and will not	60 * The code that follows will be appended by the linker, and will not

61 * be aligned individually, so we need to align it.	61 * be aligned individually, so we need to align it.

62 */	62 */

63 .align NACL_ARM_BUNDLE_SIZE_LOG	63 .align NACL_BLOCK_SHIFT

64	64

65 /*	65 /*

66 * contained in crtn_arm.S (properly sandboxed, of course)	66 * contained in crtn_arm.S (properly sandboxed, of course)

67 *	67 *

68 * pop {r4, pc}	68 * pop {r4, pc}

69 */	69 */

70	70

71 /* ====================================================================== */	71 /* ====================================================================== */

72 /* BEGIN .fini section */	72 /* BEGIN .fini section */

73 /* ====================================================================== */	73 /* ====================================================================== */

74 .section .fini	74 .section .fini

75 .align NACL_ARM_BUNDLE_SIZE_LOG	75 .align NACL_BLOCK_SHIFT

76 .global _fini	76 .global _fini

77 _fini:	77 _fini:

78 /* c.f. init section comment */	78 /* c.f. init section comment */

79 push {r4, lr}	79 push {r4, lr}

80 .align NACL_ARM_BUNDLE_SIZE_LOG	80 .align NACL_BLOCK_SHIFT

81	81

82	82

83 /* ====================================================================== */	83 /* ====================================================================== */

84 /* BEGIN .tdata section */	84 /* BEGIN .tdata section */

85 /* ====================================================================== */	85 /* ====================================================================== */

86 /* ensure we have space for a tdb at the very beginning of the tls area */	86 /* ensure we have space for a tdb at the very beginning of the tls area */

87 /* NOTE: this is different from x86 where we put the tdb at the end */	87 /* NOTE: this is different from x86 where we put the tdb at the end */

88 /* See tls.c for details. */	88 /* See tls.c for details. */

89 .section .tdata	89 .section .tdata

90 .global __tdb	90 .global __tdb

91 __tdb:	91 __tdb:

92 .fill TDB_SIZE, 1, -1	92 .fill TDB_SIZE, 1, -1

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