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Do not start over jit generation if can safely grow buffer size.

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* include/lightning/jit_private.h, lib/jit_arm.c, lib/jit_memory.c,
	lib/jit_mips.c, lib/jit_ppc.c, lib/jit_sparc.c, lib/jit_x86.c,
	lib/lightning.c: Do not start over jit generation if can grow
	the code buffer with mremap without moving the base pointer.
This commit is contained in:
pcpa 2013-03-29 12:53:40 -03:00
parent c39def9dce
commit 51c96f9e19
9 changed files with 49 additions and 10 deletions
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9
include/lightning/jit_private.h
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@ -360,6 +360,8 @@ struct jit_compiler {
} prolog;
jit_bool_t jump;
#endif
/* global flag for code buffer heuristic size computation */
jit_word_t mult;
};
#define _jitc _jit->comp
@ -485,6 +487,13 @@ extern void jit_alloc(jit_pointer_t*, jit_word_t);
extern void jit_realloc(jit_pointer_t*, jit_word_t, jit_word_t);
void jit_free(jit_pointer_t*);
#if HAVE_MREMAP
# define jit_remap() _jit_remap(_jit)
extern jit_bool_t _jit_remap(jit_state_t*);
#else
# define jit_remap() 0
#endif
/*
* Externs
*/