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Fix build on ia64.

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* libguile/continuations.c (capture_auxiliary_stack): Fix
  logic in preprocessor code when checking for ia64 host;
  fix dereferencing of ctx variable.
* libguile/threads.h (struct scm_thread): Add missing member
  SCM_STACKITEM *auxiliary_stack_base.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
John Paul Adrian Glaubitz 2020-02-04 14:14:43 +01:00 • committed by Ludovic Courtès
parent ad91517da1
commit 43cfae3634
2 changed files with 8 additions and 3 deletions
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6
libguile/continuations.c
View file

@ -143,7 +143,7 @@ static void
capture_auxiliary_stack (scm_thread *thread, scm_t_contregs *continuation)
{
#if SCM_HAVE_AUXILIARY_STACK
# if !(defined __ia64 or defined __ia64__)
# if !defined __ia64 || !defined __ia64__
# error missing auxiliary stack implementation for architecture
# endif
char *top;
@ -155,9 +155,9 @@ capture_auxiliary_stack (scm_thread *thread, scm_t_contregs *continuation)
#if defined __hpux
__uc_get_ar_bsp (ctx, (uint64_t *) &top);
#elif defined linux
top = (char *) ctx->uc_mcontext.sc_ar_bsp;
top = (char *) ctx.uc_mcontext.sc_ar_bsp;
#elif defined __FreeBSD__
top = (char *)(ctx->uc_mcontext.mc_special.bspstore
top = (char *)(ctx.uc_mcontext.mc_special.bspstore
+ ctx->uc_mcontext.mc_special.ndirty);
#else
#error missing auxiliary stack implementation for ia64 on this OS

5
libguile/threads.h
View file

@ -118,6 +118,11 @@ struct scm_thread {
/* Stack base. Used when checking for C stack overflow. */
SCM_STACKITEM *base;
#if SCM_HAVE_AUXILIARY_STACK
/* Auxiliary stack base. */
SCM_STACKITEM *auxiliary_stack_base;
#endif
/* JIT state; NULL until this thread needs to JIT-compile something. */
struct scm_jit_state *jit_state;
};