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Code Issues Releases Activity

(rbs_record_switch): New function.

Browse source 
(rbs_underflow): Ditto.
(rbs_find_reg): Ditto.
(ia64_get_stacked): Ditto.

(Logical change 1.40)
This commit is contained in:
mostang.com!davidm 2003-01-21 17:41:20 +00:00
parent 15ea4d442e
commit 5a55c1d8a8
1 changed files with 31 additions and 2 deletions
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33
src/ia64/unwind_i.h
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@ -1,5 +1,5 @@
/* libunwind - a platform-independent unwind library /* libunwind - a platform-independent unwind library
Copyright (C) 2001-2002 Hewlett-Packard Co Copyright (C) 2001-2003 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com> Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind. This file is part of libunwind.
@ -33,6 +33,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include "config.h" #include "config.h"
#include "internal.h" #include "internal.h"
#include "rse.h"
#define struct_offset(str,fld) ((char *)&((str *)NULL)->fld - (char *) 0) #define struct_offset(str,fld) ((char *)&((str *)NULL)->fld - (char *) 0)
@ -309,6 +310,9 @@ struct ia64_labeled_state
#define ia64_local_resume UNW_OBJ(local_resume) #define ia64_local_resume UNW_OBJ(local_resume)
#define ia64_local_addr_space_init UNW_OBJ(local_addr_space_init) #define ia64_local_addr_space_init UNW_OBJ(local_addr_space_init)
#define ia64_init UNW_ARCH_OBJ(init) #define ia64_init UNW_ARCH_OBJ(init)
#define rbs_record_switch UNW_ARCH_OBJ(rbs_record_switch)
#define rbs_underflow UNW_ARCH_OBJ(rbs_underflow)
#define rbs_find_reg UNW_ARCH_OBJ(rbs_find_reg)
extern int ia64_make_proc_info (struct cursor *c); extern int ia64_make_proc_info (struct cursor *c);
extern int ia64_create_state_record (struct cursor *c, extern int ia64_create_state_record (struct cursor *c,
@ -324,10 +328,35 @@ extern int ia64_access_fpreg (struct cursor *c, unw_regnum_t reg,
extern unw_word_t ia64_scratch_loc (struct cursor *c, unw_regnum_t reg); extern unw_word_t ia64_scratch_loc (struct cursor *c, unw_regnum_t reg);
extern void __ia64_install_context (const ucontext_t *ucp, long r15, long r16, extern void __ia64_install_context (const ucontext_t *ucp, long r15, long r16,
long r17, long r18) long r17, long r18, long do_sigreturn)
__attribute__ ((noreturn)); __attribute__ ((noreturn));
extern int ia64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, extern int ia64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor,
void *arg); void *arg);
extern int rbs_record_switch (struct cursor *c, unw_word_t saved_bsp,
unw_word_t saved_bspstore,
unw_word_t saved_rnat_loc);
extern void rbs_underflow (struct cursor *c);
extern int rbs_find_stacked (struct cursor *c, unw_word_t regs_to_skip,
unw_word_t *locp, unw_word_t *rnat_locp);
static inline int
ia64_get_stacked (struct cursor *c, unw_word_t regs_to_skip,
unw_word_t *locp, unw_word_t *rnat_locp)
{
struct rbs_area *rbs = c->rbs_area + c->rbs_curr;
unw_word_t loc;
int ret = 0;
assert (regs_to_skip < 96);
*locp = loc = ia64_rse_skip_regs (c->bsp, regs_to_skip);
if (rnat_locp)
*rnat_locp = ia64_rse_rnat_addr (loc);
if (unlikely (rbs->end - loc >= rbs->size))
ret = rbs_find_stacked (c, regs_to_skip, locp, rnat_locp);
return ret;
}
/* XXX should be in glibc: */ /* XXX should be in glibc: */
#ifndef IA64_SC_FLAG_ONSTACK #ifndef IA64_SC_FLAG_ONSTACK