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| author | nyan <nyan@FreeBSD.org> | 2012-09-23 09:13:57 +0000 |
|---|---|---|
| committer | nyan <nyan@FreeBSD.org> | 2012-09-23 09:13:57 +0000 |
| commit | 12e520c0637518e03e8165b34314162cbf27952a (patch) | |
| tree | 5dc74fff15984d8571b75301d488cdfb4a48be1d /sys/pc98 | |
| parent | 8578bd9c62a020eda1c87c91dedaad78c4338b6a (diff) | |
| download | FreeBSD-src-12e520c0637518e03e8165b34314162cbf27952a.zip FreeBSD-src-12e520c0637518e03e8165b34314162cbf27952a.tar.gz | |
MFi386: revision 237445
Commit changes missed from r237435. Properly calculate the signal
trampoline addresses after the shared page is enabled. Handle FreeBSD
ABIs without shared page support too.
MFi386: revision 238792
Introduce curpcb magic variable.
Diffstat (limited to 'sys/pc98')
| -rw-r--r-- | sys/pc98/pc98/machdep.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/sys/pc98/pc98/machdep.c b/sys/pc98/pc98/machdep.c index 38b7a28..28763c1 100644 --- a/sys/pc98/pc98/machdep.c +++ b/sys/pc98/pc98/machdep.c @@ -407,7 +407,13 @@ osendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask) } regs->tf_esp = (int)fp; - regs->tf_eip = PS_STRINGS - szosigcode; + if (p->p_sysent->sv_sigcode_base != 0) { + regs->tf_eip = p->p_sysent->sv_sigcode_base + szsigcode - + szosigcode; + } else { + /* a.out sysentvec does not use shared page */ + regs->tf_eip = p->p_sysent->sv_psstrings - szosigcode; + } regs->tf_eflags &= ~(PSL_T | PSL_D); regs->tf_cs = _ucodesel; regs->tf_ds = _udatasel; @@ -534,7 +540,8 @@ freebsd4_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask) } regs->tf_esp = (int)sfp; - regs->tf_eip = PS_STRINGS - szfreebsd4_sigcode; + regs->tf_eip = p->p_sysent->sv_sigcode_base + szsigcode - + szfreebsd4_sigcode; regs->tf_eflags &= ~(PSL_T | PSL_D); regs->tf_cs = _ucodesel; regs->tf_ds = _udatasel; @@ -685,7 +692,7 @@ sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask) } regs->tf_esp = (int)sfp; - regs->tf_eip = PS_STRINGS - *(p->p_sysent->sv_szsigcode); + regs->tf_eip = p->p_sysent->sv_sigcode_base; regs->tf_eflags &= ~(PSL_T | PSL_D); regs->tf_cs = _ucodesel; regs->tf_ds = _udatasel; @@ -1412,7 +1419,7 @@ exec_setregs(struct thread *td, struct image_params *imgp, u_long stack) pcb->pcb_dr3 = 0; pcb->pcb_dr6 = 0; pcb->pcb_dr7 = 0; - if (pcb == PCPU_GET(curpcb)) { + if (pcb == curpcb) { /* * Clear the debug registers on the running * CPU, otherwise they will end up affecting |
