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(common_init): Drop initialization of top_rnat_loc and rbs_top. Initialize

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rbs_curr, rbs_wridx, rbs_nvalid, and rbs_area[0] instead.

(Logical change 1.40)
This commit is contained in:
mostang.com!davidm 2003-01-21 17:41:20 +00:00
parent 3ead93703a
commit 03db644db3
1 changed files with 13 additions and 3 deletions
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16
src/ia64/init.h
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@ -1,5 +1,5 @@
/* libunwind - a platform-independent unwind library /* libunwind - a platform-independent unwind library
Copyright (C) 2002 Hewlett-Packard Co Copyright (C) 2002-2003 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.
@ -28,10 +28,10 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
static inline int static inline int
common_init (struct cursor *c) common_init (struct cursor *c)
{ {
unw_word_t bspstore;
int i, ret; int i, ret;
c->cfm_loc = IA64_REG_LOC (c, UNW_IA64_CFM); c->cfm_loc = IA64_REG_LOC (c, UNW_IA64_CFM);
c->top_rnat_loc = IA64_REG_LOC (c, UNW_IA64_AR_RNAT);
c->bsp_loc = IA64_REG_LOC (c, UNW_IA64_AR_BSP); c->bsp_loc = IA64_REG_LOC (c, UNW_IA64_AR_BSP);
c->bspstore_loc = IA64_REG_LOC (c, UNW_IA64_AR_BSPSTORE); c->bspstore_loc = IA64_REG_LOC (c, UNW_IA64_AR_BSPSTORE);
c->pfs_loc = IA64_REG_LOC (c, UNW_IA64_AR_PFS); c->pfs_loc = IA64_REG_LOC (c, UNW_IA64_AR_PFS);
@ -86,7 +86,17 @@ common_init (struct cursor *c)
if (ret < 0) if (ret < 0)
return ret; return ret;
c->rbs_top = c->bsp; ret = ia64_get (c, c->bsp_loc, &bspstore);
if (ret < 0)
return ret;
c->rbs_curr = c->rbs_wridx = c->rbs_nvalid = 0;
c->rbs_area[0].end = bspstore;
c->rbs_area[0].size = ~(unw_word_t) 0; /* initial guess... */
c->rbs_area[0].rnat_loc = IA64_REG_LOC (c, UNW_IA64_AR_RNAT);
debug (10, "%s: initial rbs-area: [?-0x%lx), rnat @ 0x%lx\n", __FUNCTION__,
(long) c->rbs_area[0].end, (long) c->rbs_area[0].rnat_loc);
c->pi.flags = 0; c->pi.flags = 0;
#ifdef UNW_LOCAL_ONLY #ifdef UNW_LOCAL_ONLY