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modern versions of Solaris use these registers for thread support.

This commit is contained in:
Costa Vitor 2009-06-16 21:21:06 -05:00
parent 53fa330d90
commit 8e74daf39e
1 changed files with 5 additions and 27 deletions
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32
H/Regs.h
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@ -216,44 +216,28 @@ extern int Yap_stack_overflows;
#define YENV Yap_REGS.YENV_ /* current environment (may differ from ENV)*/
#define S Yap_REGS.S_ /* structure pointer */
register CELL *H asm ("g6");
register tr_fr_ptr TR asm ("g7");
#if defined(__svr4__)
register choiceptr B asm ("g5");
#else
register CELL *H asm ("g5");
#define TR Yap_REGS.TR_ /* latest choice point */
#define B Yap_REGS.B_ /* latest choice point */
#endif
#define CP Yap_REGS.CP_ /* continuation program counter */
#define HB Yap_REGS.HB_ /* heap (global) stack top at time of latest c.p. */
#define CreepFlag Yap_REGS.CreepFlag_
EXTERN inline void save_machine_regs(void) {
Yap_REGS.H_ = H;
Yap_REGS.TR_ = TR;
#if defined(__svr4__)
Yap_REGS.B_ = B;
#endif
}
EXTERN inline void restore_machine_regs(void) {
H = Yap_REGS.H_;
TR = Yap_REGS.TR_;
#if defined(__svr4__)
B = Yap_REGS.B_;
#endif
}
#define BACKUP_MACHINE_REGS() \
CELL *BK_H = H; \
choiceptr BK_B = B; \
tr_fr_ptr BK_TR = TR; \
restore_machine_regs()
#define RECOVER_MACHINE_REGS() \
save_machine_regs(); \
H = BK_H; \
B = BK_B; \
TR = BK_TR
H = BK_H
EXTERN inline void save_H(void) {
Yap_REGS.H_ = H;
@ -268,21 +252,15 @@ EXTERN inline void restore_H(void) {
#define RECOVER_H() save_H(); H = BK_H
EXTERN inline void save_B(void) {
#if defined(__svr4__)
Yap_REGS.B_ = B;
#endif
}
EXTERN inline void restore_B(void) {
#if defined(__svr4__)
B = Yap_REGS.B_;
#endif
}
#if defined(__svr4__)
#define BACKUP_B() choiceptr BK_B = B; restore_B()
#define BACKUP_B()
#define RECOVER_B() save_B(); B = BK_B
#define RECOVER_B()
#else
#define BACKUP_B()