25 lines
785 B
C
Executable File
25 lines
785 B
C
Executable File
#include <assert.h>
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#define FRAME_RETURN_ADDRESS(frame) *(XT *)(frame_successor(frame) + 1)
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INLINE void flush_icache(CELL start, CELL len) {}
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F_FASTCALL void c_to_factor(CELL quot);
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F_FASTCALL void throw_impl(CELL quot, F_STACK_FRAME *rewind_to);
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F_FASTCALL void lazy_jit_compile(CELL quot);
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void set_callstack(F_STACK_FRAME *to, F_STACK_FRAME *from, CELL length, void *memcpy);
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INLINE void set_call_site(CELL return_address, CELL target)
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{
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/* An x86 CALL instruction looks like so:
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|e8|..|..|..|..|
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where the ... are a PC-relative jump address.
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The return_address points to right after the
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instruction. */
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#ifdef FACTOR_DEBUG
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assert(*(unsigned char *)(return_address - 5) == 0xe8);
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#endif
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*(F_FIXNUM *)(return_address - 4) = (target - (return_address - 4));
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}
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