2018-02-20 17:50:58 +00:00
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.MACRO ARM_FUNC_START name
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.ALIGN 2, 0
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.GLOBAL \name
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.ARM
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.TYPE \name, function
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.ENDM
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.MACRO ARM_FUNC_END name
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.SIZE \name, .-\name
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.ENDM
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2019-05-04 22:03:28 +00:00
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.set NULL, 0
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2018-02-20 17:50:58 +00:00
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.MACRO THUMB_FUNC_START name
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.ALIGN 2, 0
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.GLOBAL \name
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.THUMB
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.THUMB_FUNC
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.TYPE \name, function
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.ENDM
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.MACRO THUMB_FUNC_END name
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.SIZE \name, .-\name
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.ENDM
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@ Generates a glue function to be used when calling
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@ the specified ARM function from THUMB code.
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.MACRO THUMB_INTERWORK_VENEER name
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.SECTION .glue_7t
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.GLOBAL \name\()_t
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.THUMB
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.ALIGN 2, 0
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\name\()_t:
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bx pc @ Use a bx instruction to switch into ARM mode. The value of PC is
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nop @ 4 bytes ahead of the current instruction, so we pad with a nop.
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.ARM
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b \name @ Now in ARM mode, jump to the actual function
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.SECTION .text
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.ENDM
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