Date: Sat, 10 Nov 2012 13:25:46 +0000 (UTC) From: Takahashi Yoshihiro <nyan@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r242867 - head/sys/pc98/pc98 Message-ID: <201211101325.qAADPkIr018355@svn.freebsd.org>
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Author: nyan Date: Sat Nov 10 13:25:46 2012 New Revision: 242867 URL: http://svnweb.freebsd.org/changeset/base/242867 Log: MFi386: r211924 Register an interrupt vector for DTrace return probes. Modified: head/sys/pc98/pc98/machdep.c Modified: head/sys/pc98/pc98/machdep.c ============================================================================== --- head/sys/pc98/pc98/machdep.c Sat Nov 10 13:24:33 2012 (r242866) +++ head/sys/pc98/pc98/machdep.c Sat Nov 10 13:25:46 2012 (r242867) @@ -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;
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