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Diffstat (limited to 'erts/emulator/hipe/hipe_stack.h')
-rw-r--r--erts/emulator/hipe/hipe_stack.h59
1 files changed, 34 insertions, 25 deletions
diff --git a/erts/emulator/hipe/hipe_stack.h b/erts/emulator/hipe/hipe_stack.h
index 4ea7d5c031..7e30358767 100644
--- a/erts/emulator/hipe/hipe_stack.h
+++ b/erts/emulator/hipe/hipe_stack.h
@@ -30,40 +30,43 @@
#include <stddef.h> /* offsetof() */
-struct sdesc {
+struct hipe_sdesc {
struct {
unsigned long hvalue; /* return address */
- struct sdesc *next; /* hash collision chain */
+ struct hipe_sdesc *next; /* hash collision chain */
} bucket;
- unsigned int summary; /* frame size, exn handler presence flag, arity */
-#ifdef DEBUG
- Eterm dbg_M, dbg_F;
- unsigned dbg_A;
-#endif
- unsigned int livebits[1]; /* size depends on arch & data in summary field */
+ unsigned int fsize : 23; /* frame size */
+ unsigned int has_exnra : 1; /* exn handler presence flag */
+ unsigned int stk_nargs : 8; /* arguments on stack */
+ Uint32 m_aix;
+ Uint32 f_aix;
+ Uint32 a;
+ struct hipe_sdesc* next_in_modi;
+ Uint32 livebits[1]; /* size depends on arch & data in summary field */
};
-struct sdesc_with_exnra {
+struct hipe_sdesc_with_exnra {
unsigned long exnra;
- struct sdesc sdesc;
+ struct hipe_sdesc sdesc;
};
-static __inline__ unsigned int sdesc_fsize(const struct sdesc *sdesc)
+static __inline__ unsigned int sdesc_fsize(const struct hipe_sdesc *sdesc)
{
- return sdesc->summary >> 9;
+ return sdesc->fsize;
}
-static __inline__ unsigned int sdesc_arity(const struct sdesc *sdesc)
+/* Nr of arguments pushed on stack */
+static __inline__ unsigned int sdesc_arity(const struct hipe_sdesc *sdesc)
{
- return sdesc->summary & 0xFF;
+ return sdesc->stk_nargs;
}
-static __inline__ unsigned long sdesc_exnra(const struct sdesc *sdesc)
+static __inline__ unsigned long sdesc_exnra(const struct hipe_sdesc *sdesc)
{
- if ((sdesc->summary & (1<<8))) {
+ if (sdesc->has_exnra) {
const char *tmp;
- tmp = (const char*)sdesc - offsetof(struct sdesc_with_exnra, sdesc);
- return ((const struct sdesc_with_exnra*)tmp)->exnra;
+ tmp = (const char*)sdesc - offsetof(struct hipe_sdesc_with_exnra, sdesc);
+ return ((const struct hipe_sdesc_with_exnra*)tmp)->exnra;
}
return 0;
}
@@ -72,13 +75,14 @@ struct hipe_sdesc_table {
unsigned int log2size;
unsigned int mask; /* INV: mask == (1 << log2size)-1 */
unsigned int used;
- struct sdesc **bucket;
+ struct hipe_sdesc **bucket;
};
extern struct hipe_sdesc_table hipe_sdesc_table;
-extern struct sdesc *hipe_put_sdesc(struct sdesc*);
-extern void hipe_init_sdesc_table(struct sdesc*);
-extern struct sdesc *hipe_decode_sdesc(Eterm);
+extern struct hipe_sdesc *hipe_put_sdesc(struct hipe_sdesc*);
+extern void hipe_destruct_sdesc(struct hipe_sdesc*);
+extern void hipe_init_sdesc_table(struct hipe_sdesc*);
+extern struct hipe_sdesc *hipe_decode_sdesc(Eterm);
#if !defined(__GNUC__) || (__GNUC__ < 2) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
#define __builtin_expect(x, expected_value) (x)
@@ -86,10 +90,10 @@ extern struct sdesc *hipe_decode_sdesc(Eterm);
#define likely(x) __builtin_expect((x),1)
#define unlikely(x) __builtin_expect((x),0)
-static __inline__ const struct sdesc *hipe_find_sdesc(unsigned long ra)
+static __inline__ const struct hipe_sdesc *hipe_find_sdesc(unsigned long ra)
{
unsigned int i = (ra >> HIPE_RA_LSR_COUNT) & hipe_sdesc_table.mask;
- const struct sdesc *sdesc = hipe_sdesc_table.bucket[i];
+ const struct hipe_sdesc *sdesc = hipe_sdesc_table.bucket[i];
if (likely(sdesc->bucket.hvalue == ra))
return sdesc;
do {
@@ -103,7 +107,7 @@ AEXTERN(void,nbif_stack_trap_ra,(void));
extern void hipe_print_nstack(Process*);
extern void hipe_find_handler(Process*);
extern void (*hipe_handle_stack_trap(Process*))(void);
-extern void hipe_update_stack_trap(Process*, const struct sdesc*);
+extern void hipe_update_stack_trap(Process*, const struct hipe_sdesc*);
extern int hipe_fill_stacktrace(Process*, int, Eterm**);
#if 0 && defined(HIPE_NSTACK_GROWS_UP)
@@ -131,5 +135,10 @@ static __inline__ void hipe_check_nstack(Process *p, unsigned nwords)
*/
extern Eterm *fullsweep_nstack(Process *p, Eterm *n_htop);
extern void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop);
+extern Eterm *sweep_literals_nstack(Process *p, Eterm *n_htop, char *area,
+ Uint area_size);
+extern int nstack_any_heap_ref_ptrs(Process *, char* mod_start, Uint mod_size);
+extern int nstack_any_cps_in_segment(Process *, char* seg_start, Uint seg_size);
+
#endif /* HIPE_STACK_H */