60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/*
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Direct unchecked memory access
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*/
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/* $Id$ */
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/* The set of macros is neither systematic nor exhaustive; its contents
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were suggested by expediency rather than by completeness.
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*/
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/* Loading from memory */
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#define p_in_stack(a) i2p((psize == 2) \
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? (btol(stack_loc(a)) | (btol(stack_loc(a+1))<<8)) \
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: (btol(stack_loc(a)) | (btol(stack_loc(a+1))<<8) | \
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(btol(stack_loc(a+2))<<16) | \
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(btol(stack_loc(a+3))<<24)))
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#define p_in_data(a) i2p((psize == 2) \
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? (btol(data_loc(a)) | (btol(data_loc(a+1))<<8)) \
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: (btol(data_loc(a)) | (btol(data_loc(a+1))<<8) | \
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(btol(data_loc(a+2))<<16) | \
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(btol(data_loc(a+3))<<24)))
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#define p_in_text(a) i2p((psize == 2) \
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? (btol(text_loc(a)) | (btol(text_loc(a+1))<<8)) \
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: (btol(text_loc(a)) | (btol(text_loc(a+1))<<8) | \
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(btol(text_loc(a+2))<<16) | \
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(btol(text_loc(a+3))<<24)))
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#define p_in_FRA(a) i2p((psize == 2) \
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? (btol(FRA[a]) | (btol(FRA[a+1])<<8)) \
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: (btol(FRA[a]) | (btol(FRA[a+1])<<8) | \
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(btol(FRA[a+2])<<16) | \
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(btol(FRA[a+3])<<24)))
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#define w_in_stack(a) ((wsize == 2) \
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? (btol(stack_loc(a)) | (btos(stack_loc(a+1))<<8)) \
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: (btol(stack_loc(a)) | (btol(stack_loc(a+1))<<8) | \
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(btol(stack_loc(a+2))<<16) | \
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(btos(stack_loc(a+3))<<24)))
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#define w_in_data(a) ((wsize == 2) \
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? (btol(data_loc(a)) | (btos(data_loc(a+1))<<8)) \
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: (btol(data_loc(a)) | (btol(data_loc(a+1))<<8) | \
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(btol(data_loc(a+2))<<16) | \
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(btos(data_loc(a+3))<<24)))
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#define w_in_FRA(a) ((wsize == 2) \
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? (btol(FRA[a]) | (btos(FRA[a+1])<<8)) \
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: (btol(FRA[a]) | (btol(FRA[a+1])<<8) | \
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(btol(FRA[a+2])<<16) | \
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(btos(FRA[a+3])<<24)))
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#define LIN_in_stack(a) ((LINSIZE == 2) \
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? (btol(stack_loc(a)) | (btol(stack_loc(a+1))<<8)) \
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: (btol(stack_loc(a)) | (btol(stack_loc(a+1))<<8) | \
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(btol(stack_loc(a+2))<<16) | \
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(btol(stack_loc(a+3))<<24)))
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