| [444] | 1 | /* Copyright (c) 2012-2015 Red Hat, Inc. All rights reserved. |
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| 2 | |
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| 3 | This copyrighted material is made available to anyone wishing to use, modify, |
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| 4 | copy, or redistribute it subject to the terms and conditions of the BSD |
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| 5 | License. This program is distributed in the hope that it will be useful, |
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| 6 | but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties |
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| 7 | of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license |
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| 8 | is available at http://www.opensource.org/licenses. Any Red Hat trademarks that |
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| 9 | are incorporated in the source code or documentation are not subject to the BSD |
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| 10 | License and may only be used or replicated with the express permission of |
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| 11 | Red Hat, Inc. |
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| 12 | */ |
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| 13 | |
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| 14 | /* This file provides macros for various MSP430 instructions |
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| 15 | which have similar, but not identical, versions when assembling |
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| 16 | for the LARGE memory model. */ |
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| 17 | |
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| 18 | #ifdef __MSP430X_LARGE__ |
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| 19 | |
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| 20 | #define call_ CALLA |
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| 21 | #define ret_ RETA |
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| 22 | #define mov_ MOVA |
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| 23 | #define movx_ MOVX |
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| 24 | #define br_ BRA |
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| 25 | #define cmp_ CMPA |
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| 26 | #define add_ ADDA |
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| 27 | #define PTRsz 4 |
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| 28 | |
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| 29 | #else |
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| 30 | |
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| 31 | #define call_ CALL |
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| 32 | #define ret_ RET |
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| 33 | #define mov_ MOV |
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| 34 | #define movx_ MOV |
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| 35 | #define br_ BR |
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| 36 | #define cmp_ CMP |
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| 37 | #define add_ ADD |
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| 38 | #define PTRsz 2 |
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| 39 | |
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| 40 | #endif |
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| 41 | |
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| 42 | /* Start a function in its own named and numbered section, so that it |
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| 43 | can be subject to linker garbage collection. The numbers are used |
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| 44 | to enforce link-time ordering of the sections. Note - the construction |
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| 45 | of the symbol names is critical - they need to match the unresolved |
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| 46 | symbol references created by the compiler and assembler. */ |
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| 47 | .macro START_CRT_FUNC number name |
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| 48 | .section .crt_\number\name,"ax",@progbits |
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| 49 | .global __crt0_\name |
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| 50 | .type __crt0_\name , @function |
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| 51 | __crt0_\name: |
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| 52 | .endm |
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| 53 | |
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| 54 | |
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| 55 | /* End a named function. Sets the size so that GDB does not get confused. */ |
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| 56 | .macro END_CRT_FUNC name |
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| 57 | .size __crt0_\name, . - __crt0_\name |
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| 58 | .endm |
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| 59 | |
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| 60 | |
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| 61 | /* Provide a weak definition of NAME, initialized to zero. */ |
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| 62 | .macro WEAK_DEF name |
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| 63 | .global \name |
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| 64 | .weak \name |
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| 65 | \name = 0 |
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| 66 | .endm |
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