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| author | iedowse <iedowse@FreeBSD.org> | 2001-10-09 19:54:52 +0000 |
|---|---|---|
| committer | iedowse <iedowse@FreeBSD.org> | 2001-10-09 19:54:52 +0000 |
| commit | 478926021cd002b82ec79025079ea1f70b890534 (patch) | |
| tree | cad4d7a6717602ee2648b1e931f37e2c9f3104ad /sys/i386/isa/atpic_vector.s | |
| parent | ffdeb5e0d78f9082409a5fc26f40eb5cf3344d60 (diff) | |
| download | FreeBSD-src-478926021cd002b82ec79025079ea1f70b890534.zip FreeBSD-src-478926021cd002b82ec79025079ea1f70b890534.tar.gz | |
Remove the Xresume* labels from the i386 interrupt handlers; the
code in ipl.s and icu_ipl.s that used them was removed when the
interrupt thread system was committed. Debuggers also knew about
Xresume* because these labels hide the real names of the interrupt
handlers (Xintr*), and debuggers need to special-case interrupt
handlers to get the interrupt frame.
Both gdb and ddb will now use the Xintr* and Xfastintr* symbols to
detect interrupt frames. Fast interrupt frames were never identified
correctly before, so this fixes the problem of the running stack
frame getting lost in a ddb or gdb trace generated from a fast
interrupt - e.g. when debugging a simple infinite loop in the kernel
using a serial console, the frame containing the loop would never
appear in a gdb or ddb trace.
Reviewed by: jhb, bde
Diffstat (limited to 'sys/i386/isa/atpic_vector.s')
| -rw-r--r-- | sys/i386/isa/atpic_vector.s | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/sys/i386/isa/atpic_vector.s b/sys/i386/isa/atpic_vector.s index 3a42af4..bd38dda 100644 --- a/sys/i386/isa/atpic_vector.s +++ b/sys/i386/isa/atpic_vector.s @@ -106,7 +106,6 @@ IDTVEC(vec_name) ; \ enable_icus ; \ movl PCPU(CURTHREAD),%ebx ; \ incl TD_INTR_NESTING_LEVEL(%ebx) ; \ -__CONCAT(Xresume,irq_num): ; \ FAKE_MCOUNT(13*4(%esp)) ; /* XXX late to avoid double count */ \ pushl $irq_num; /* pass the IRQ */ \ call sched_ithd ; \ |
