Author: oshogbo Date: Wed Jun 5 22:29:05 2019 New Revision: 348705 URL: https://svnweb.freebsd.org/changeset/base/348705
Log: dtrace: 64-bits registers support The registers in ilumos and FreeBSD have a different number. In the illumos, last 32-bits register defined is SS an in FreeBSD is GS. This off-by-one caused the uregs array to returns the wrong 64-bits register on amd64. Reviewed by: markj MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D20363 Modified: head/sys/cddl/dev/dtrace/amd64/dtrace_isa.c Modified: head/sys/cddl/dev/dtrace/amd64/dtrace_isa.c ============================================================================== --- head/sys/cddl/dev/dtrace/amd64/dtrace_isa.c Wed Jun 5 21:46:56 2019 (r348704) +++ head/sys/cddl/dev/dtrace/amd64/dtrace_isa.c Wed Jun 5 22:29:05 2019 (r348705) @@ -514,7 +514,11 @@ dtrace_getreg(struct trapframe *rp, uint_t reg) reg = regmap[reg]; } else { /* This is dependent on reg.d. */ +#ifdef illumos reg -= SS + 1; +#else /* !illumos */ + reg -= GS + 1; +#endif } switch (reg) { _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
