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MFi386: r211924

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Register an interrupt vector for DTrace return probes.
This commit is contained in:
Yoshihiro Takahashi 2012-11-10 13:25:46 +00:00
parent 662df24813
commit f6df06f1a9
1 changed files with 10 additions and 1 deletions
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11
sys/pc98/pc98/machdep.c
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@ -54,6 +54,7 @@ __FBSDID("$FreeBSD$");
#include "opt_mp_watchdog.h"
#include "opt_npx.h"
#include "opt_perfmon.h"
#include "opt_kdtrace.h"
#include <sys/param.h>
#include <sys/proc.h>
@ -1772,7 +1773,11 @@ extern inthand_t
IDTVEC(bnd), IDTVEC(ill), IDTVEC(dna), IDTVEC(fpusegm),
IDTVEC(tss), IDTVEC(missing), IDTVEC(stk), IDTVEC(prot),
IDTVEC(page), IDTVEC(mchk), IDTVEC(rsvd), IDTVEC(fpu), IDTVEC(align),
IDTVEC(xmm), IDTVEC(lcall_syscall), IDTVEC(int0x80_syscall);
IDTVEC(xmm),
#ifdef KDTRACE_HOOKS
IDTVEC(dtrace_ret),
#endif
IDTVEC(lcall_syscall), IDTVEC(int0x80_syscall);
#ifdef DDB
/*
@ -2291,6 +2296,10 @@ init386(first)
GSEL(GCODE_SEL, SEL_KPL));
setidt(IDT_SYSCALL, &IDTVEC(int0x80_syscall), SDT_SYS386TGT, SEL_UPL,
GSEL(GCODE_SEL, SEL_KPL));
#ifdef KDTRACE_HOOKS
setidt(IDT_DTRACE_RET, &IDTVEC(dtrace_ret), SDT_SYS386TGT, SEL_UPL,
GSEL(GCODE_SEL, SEL_KPL));
#endif
r_idt.rd_limit = sizeof(idt0) - 1;
r_idt.rd_base = (int) idt;