diff options
Diffstat (limited to 'src/backend/tcop/postgres.c')
| -rw-r--r-- | src/backend/tcop/postgres.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c index cbb0ec606f9..6f18b688569 100644 --- a/src/backend/tcop/postgres.c +++ b/src/backend/tcop/postgres.c @@ -133,13 +133,6 @@ static long max_stack_depth_bytes = 100 * 1024L; static char *stack_base_ptr = NULL; /* - * On IA64 we also have to remember the register stack base. - */ -#if defined(__ia64__) || defined(__ia64) -static char *register_stack_base_ptr = NULL; -#endif - -/* * Flag to keep track of whether we have started a transaction. * For extended query protocol this has to be remembered across messages. */ @@ -3392,41 +3385,6 @@ ProcessInterrupts(void) ProcessLogMemoryContextInterrupt(); } - -/* - * IA64-specific code to fetch the AR.BSP register for stack depth checks. - * - * We currently support gcc and icc here. - * - * Note: while icc accepts gcc asm blocks on x86[_64], this is not true on - * ia64 (at least not in icc versions before 12.x). So we have to carry a - * separate implementation for it. - */ -#if defined(__ia64__) || defined(__ia64) - -#if defined(__INTEL_COMPILER) -/* icc */ -#include <asm/ia64regs.h> -#define ia64_get_bsp() ((char *) __getReg(_IA64_REG_AR_BSP)) -#else -/* gcc */ -static __inline__ char * -ia64_get_bsp(void) -{ - char *ret; - - /* the ;; is a "stop", seems to be required before fetching BSP */ - __asm__ __volatile__( - ";;\n" - " mov %0=ar.bsp \n" -: "=r"(ret)); - - return ret; -} -#endif -#endif /* IA64 */ - - /* * set_stack_base: set up reference point for stack depth checking * @@ -3440,12 +3398,7 @@ set_stack_base(void) #endif pg_stack_base_t old; -#if defined(__ia64__) || defined(__ia64) - old.stack_base_ptr = stack_base_ptr; - old.register_stack_base_ptr = register_stack_base_ptr; -#else old = stack_base_ptr; -#endif /* * Set up reference point for stack depth checking. On recent gcc we use @@ -3457,9 +3410,6 @@ set_stack_base(void) #else stack_base_ptr = &stack_base; #endif -#if defined(__ia64__) || defined(__ia64) - register_stack_base_ptr = ia64_get_bsp(); -#endif return old; } @@ -3476,12 +3426,7 @@ set_stack_base(void) void restore_stack_base(pg_stack_base_t base) { -#if defined(__ia64__) || defined(__ia64) - stack_base_ptr = base.stack_base_ptr; - register_stack_base_ptr = base.register_stack_base_ptr; -#else stack_base_ptr = base; -#endif } /* @@ -3538,22 +3483,6 @@ stack_is_too_deep(void) stack_base_ptr != NULL) return true; - /* - * On IA64 there is a separate "register" stack that requires its own - * independent check. For this, we have to measure the change in the - * "BSP" pointer from PostgresMain to here. Logic is just as above, - * except that we know IA64's register stack grows up. - * - * Note we assume that the same max_stack_depth applies to both stacks. - */ -#if defined(__ia64__) || defined(__ia64) - stack_depth = (long) (ia64_get_bsp() - register_stack_base_ptr); - - if (stack_depth > max_stack_depth_bytes && - register_stack_base_ptr != NULL) - return true; -#endif /* IA64 */ - return false; } |