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Include <assert.h>.

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(_longjmp): Ensure that we have at least 4 exception-handling args.  (This code
	will need updating to make it work on x86, where only 2 exception handling
	args are available).

(Logical change 1.59)
This commit is contained in:
mostang.com!davidm 2003-03-06 06:14:36 +00:00
parent 597f26ce83
commit eeffb605f7
1 changed files with 7 additions and 4 deletions
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11
src/siglongjmp.c
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@ -25,6 +25,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#define UNW_LOCAL_ONLY
#include <assert.h>
#include <libunwind.h>
#include <setjmp.h>
#include <signal.h>
@ -83,9 +84,11 @@ siglongjmp (sigjmp_buf env, int val)
mp = (unw_word_t *) &current_mask;
}
if (unw_set_reg (&c, UNW_REG_EH_ARG0, wp[1]) < 0
|| unw_set_reg (&c, UNW_REG_EH_ARG1, val) < 0
|| unw_set_reg (&c, UNW_REG_EH_ARG2, mp[0]) < 0
assert (UNW_NUM_EH_REGS >= 4);
if (unw_set_reg (&c, UNW_REG_EH + 0, wp[1]) < 0
|| unw_set_reg (&c, UNW_REG_EH + 1, val) < 0
|| unw_set_reg (&c, UNW_REG_EH + 2, mp[0]) < 0
|| unw_set_reg (&c, UNW_REG_IP,
(unw_word_t) &_UI_siglongjmp_cont))
abort ();
@ -94,7 +97,7 @@ siglongjmp (sigjmp_buf env, int val)
{
if (_NSIG > 16 * sizeof (unw_word_t))
abort ();
if (unw_set_reg (&c, UNW_REG_EH_ARG3, mp[1]) < 0)
if (unw_set_reg (&c, UNW_REG_EH + 3, mp[1]) < 0)
abort ();
}