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Pick up rp and bsp from locations compatible with libc's setjmp().

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(Logical change 1.258)
This commit is contained in:
hp.com!davidm 2004-08-26 11:07:05 +00:00
parent 60665021da
commit ff2dcb9897
1 changed files with 10 additions and 3 deletions
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13
src/longjmp.c
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@ -33,6 +33,13 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#if UNW_TARGET_IA64 #if UNW_TARGET_IA64
# include "ia64/rse.h" # include "ia64/rse.h"
/* chosen for compatibility with libc; NPTL peeks at SP and BSP: */
# define JB_SP 0
# define JB_RP 8
# define JB_BSP 17
#else
# define JB_SP 0
# define JB_RP 1
#endif #endif
void void
@ -52,7 +59,7 @@ _longjmp (jmp_buf env, int val)
{ {
if (unw_get_reg (&c, UNW_REG_SP, &sp) < 0) if (unw_get_reg (&c, UNW_REG_SP, &sp) < 0)
abort (); abort ();
if (sp != wp[0]) if (sp != wp[JB_SP])
continue; continue;
#if UNW_TARGET_IA64 #if UNW_TARGET_IA64
@ -67,7 +74,7 @@ _longjmp (jmp_buf env, int val)
sol = (pfs >> 7) & 0x7f; sol = (pfs >> 7) & 0x7f;
bsp = ia64_rse_skip_regs (bsp, sol); bsp = ia64_rse_skip_regs (bsp, sol);
if (bsp != wp[2]) if (bsp != wp[JB_BSP])
continue; continue;
} }
#endif #endif
@ -79,7 +86,7 @@ _longjmp (jmp_buf env, int val)
if (UNW_NUM_EH_REGS >= 4) if (UNW_NUM_EH_REGS >= 4)
{ {
if (unw_set_reg (&c, UNW_REG_EH + 0, wp[1]) < 0 if (unw_set_reg (&c, UNW_REG_EH + 0, wp[JB_RP]) < 0
|| unw_set_reg (&c, UNW_REG_EH + 1, val) < 0 || unw_set_reg (&c, UNW_REG_EH + 1, val) < 0
|| unw_set_reg (&c, UNW_REG_EH + 2, || unw_set_reg (&c, UNW_REG_EH + 2,
((unw_word_t *) &current_mask)[0]) < 0 ((unw_word_t *) &current_mask)[0]) < 0