diff options
Diffstat (limited to 'cddl/contrib/opensolaris/lib/libdtrace')
10 files changed, 304 insertions, 125 deletions
diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_aggregate.c b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_aggregate.c index 42b6645..b0f2b4a 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_aggregate.c +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_aggregate.c @@ -26,6 +26,7 @@ /* * Copyright (c) 2011, Joyent, Inc. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. */ #include <stdlib.h> @@ -894,33 +895,14 @@ dt_aggregate_valcmp(const void *lhs, const void *rhs) caddr_t rdata = rh->dtahe_data.dtada_data; dtrace_recdesc_t *lrec, *rrec; int64_t *laddr, *raddr; - int rval, i; - - if ((rval = dt_aggregate_hashcmp(lhs, rhs)) != 0) - return (rval); - - if (lagg->dtagd_nrecs > ragg->dtagd_nrecs) - return (DT_GREATERTHAN); - - if (lagg->dtagd_nrecs < ragg->dtagd_nrecs) - return (DT_LESSTHAN); + int rval; - for (i = 0; i < lagg->dtagd_nrecs; i++) { - lrec = &lagg->dtagd_rec[i]; - rrec = &ragg->dtagd_rec[i]; + assert(lagg->dtagd_nrecs == ragg->dtagd_nrecs); - if (lrec->dtrd_offset < rrec->dtrd_offset) - return (DT_LESSTHAN); - - if (lrec->dtrd_offset > rrec->dtrd_offset) - return (DT_GREATERTHAN); + lrec = &lagg->dtagd_rec[lagg->dtagd_nrecs - 1]; + rrec = &ragg->dtagd_rec[ragg->dtagd_nrecs - 1]; - if (lrec->dtrd_action < rrec->dtrd_action) - return (DT_LESSTHAN); - - if (lrec->dtrd_action > rrec->dtrd_action) - return (DT_GREATERTHAN); - } + assert(lrec->dtrd_action == rrec->dtrd_action); laddr = (int64_t *)(uintptr_t)(ldata + lrec->dtrd_offset); raddr = (int64_t *)(uintptr_t)(rdata + rrec->dtrd_offset); diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_cc.c b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_cc.c index 0ac4795..5700993 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_cc.c +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_cc.c @@ -22,7 +22,7 @@ /* * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2011, Joyent Inc. All rights reserved. - * Copyright (c) 2011 by Delphix. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. */ /* @@ -664,63 +664,48 @@ static void dt_action_trace(dtrace_hdl_t *dtp, dt_node_t *dnp, dtrace_stmtdesc_t *sdp) { dtrace_actdesc_t *ap = dt_stmt_action(dtp, sdp); + boolean_t istrace = (dnp->dn_ident->di_id == DT_ACT_TRACE); + const char *act = istrace ? "trace" : "print"; if (dt_node_is_void(dnp->dn_args)) { - dnerror(dnp->dn_args, D_TRACE_VOID, - "trace( ) may not be applied to a void expression\n"); + dnerror(dnp->dn_args, istrace ? D_TRACE_VOID : D_PRINT_VOID, + "%s( ) may not be applied to a void expression\n", act); } - if (dt_node_is_dynamic(dnp->dn_args)) { - dnerror(dnp->dn_args, D_TRACE_DYN, - "trace( ) may not be applied to a dynamic expression\n"); + if (dt_node_resolve(dnp->dn_args, DT_IDENT_XLPTR) != NULL) { + dnerror(dnp->dn_args, istrace ? D_TRACE_DYN : D_PRINT_DYN, + "%s( ) may not be applied to a translated pointer\n", act); } dt_cg(yypcb, dnp->dn_args); - ap->dtad_difo = dt_as(yypcb); - ap->dtad_kind = DTRACEACT_DIFEXPR; -} -/* - * The print() action behaves identically to trace(), except that it stores the - * CTF type of the argument (if present) within the DOF for the DIFEXPR action. - * To do this, we set the 'dtsd_strdata' to point to the fully-qualified CTF - * type ID for the result of the DIF action. We use the ID instead of the name - * to handles complex types like arrays and function pointers that can't be - * resolved by ctf_type_lookup(). This is later processed by - * dtrace_dof_create() and turned into a reference into the string table so - * that we can get the type information when we process the data after the - * fact. - */ -static void -dt_action_print(dtrace_hdl_t *dtp, dt_node_t *dnp, dtrace_stmtdesc_t *sdp) -{ - dtrace_actdesc_t *ap = dt_stmt_action(dtp, sdp); - dt_node_t *dret; - size_t len; - dt_module_t *dmp; + /* + * The print() action behaves identically to trace(), except that it + * stores the CTF type of the argument (if present) within the DOF for + * the DIFEXPR action. To do this, we set the 'dtsd_strdata' to point + * to the fully-qualified CTF type ID for the result of the DIF + * action. We use the ID instead of the name to handles complex types + * like arrays and function pointers that can't be resolved by + * ctf_type_lookup(). This is later processed by dtrace_dof_create() + * and turned into a reference into the string table so that we can + * get the type information when we process the data after the fact. + */ + if (dnp->dn_ident->di_id == DT_ACT_PRINT) { + dt_node_t *dret; + size_t n; + dt_module_t *dmp; - if (dt_node_is_void(dnp->dn_args)) { - dnerror(dnp->dn_args, D_PRINT_VOID, - "print( ) may not be applied to a void expression\n"); - } + dret = yypcb->pcb_dret; + dmp = dt_module_lookup_by_ctf(dtp, dret->dn_ctfp); - if (dt_node_is_dynamic(dnp->dn_args)) { - dnerror(dnp->dn_args, D_PRINT_DYN, - "print( ) may not be applied to a dynamic expression\n"); + n = snprintf(NULL, 0, "%s`%ld", dmp->dm_name, dret->dn_type) + 1; + sdp->dtsd_strdata = dt_alloc(dtp, n); + if (sdp->dtsd_strdata == NULL) + longjmp(yypcb->pcb_jmpbuf, EDT_NOMEM); + (void) snprintf(sdp->dtsd_strdata, n, "%s`%ld", dmp->dm_name, + dret->dn_type); } - dt_cg(yypcb, dnp->dn_args); - - dret = yypcb->pcb_dret; - dmp = dt_module_lookup_by_ctf(dtp, dret->dn_ctfp); - - len = snprintf(NULL, 0, "%s`%ld", dmp->dm_name, dret->dn_type) + 1; - sdp->dtsd_strdata = dt_alloc(dtp, len); - if (sdp->dtsd_strdata == NULL) - longjmp(yypcb->pcb_jmpbuf, EDT_NOMEM); - (void) snprintf(sdp->dtsd_strdata, len, "%s`%ld", dmp->dm_name, - dret->dn_type); - ap->dtad_difo = dt_as(yypcb); ap->dtad_kind = DTRACEACT_DIFEXPR; } @@ -1145,6 +1130,9 @@ dt_compile_fun(dtrace_hdl_t *dtp, dt_node_t *dnp, dtrace_stmtdesc_t *sdp) case DT_ACT_PANIC: dt_action_panic(dtp, dnp->dn_expr, sdp); break; + case DT_ACT_PRINT: + dt_action_trace(dtp, dnp->dn_expr, sdp); + break; case DT_ACT_PRINTA: dt_action_printa(dtp, dnp->dn_expr, sdp); break; @@ -1181,9 +1169,6 @@ dt_compile_fun(dtrace_hdl_t *dtp, dt_node_t *dnp, dtrace_stmtdesc_t *sdp) case DT_ACT_TRACE: dt_action_trace(dtp, dnp->dn_expr, sdp); break; - case DT_ACT_PRINT: - dt_action_print(dtp, dnp->dn_expr, sdp); - break; case DT_ACT_TRACEMEM: dt_action_tracemem(dtp, dnp->dn_expr, sdp); break; @@ -2559,7 +2544,8 @@ dt_compile(dtrace_hdl_t *dtp, int context, dtrace_probespec_t pspec, void *arg, } out: - if (context != DT_CTX_DTYPE && DT_TREEDUMP_PASS(dtp, 3)) + if (context != DT_CTX_DTYPE && yypcb->pcb_root != NULL && + DT_TREEDUMP_PASS(dtp, 3)) dt_node_printr(yypcb->pcb_root, stderr, 0); if (dtp->dt_cdefs_fd != -1 && (ftruncate64(dtp->dt_cdefs_fd, 0) == -1 || diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_cg.c b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_cg.c index 6c60219..e748ff2 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_cg.c +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_cg.c @@ -1387,6 +1387,162 @@ dt_cg_func_typeref(dtrace_hdl_t *dtp, dt_node_t *dnp) typs->dn_value = ctf_type_size(dtt.dtt_ctfp, dtt.dtt_type); } +typedef struct dt_xlmemb { + dt_ident_t *dtxl_idp; /* translated ident */ + dt_irlist_t *dtxl_dlp; /* instruction list */ + dt_regset_t *dtxl_drp; /* register set */ + int dtxl_sreg; /* location of the translation input */ + int dtxl_dreg; /* location of our allocated buffer */ +} dt_xlmemb_t; + +/*ARGSUSED*/ +static int +dt_cg_xlate_member(const char *name, ctf_id_t type, ulong_t off, void *arg) +{ + dt_xlmemb_t *dx = arg; + dt_ident_t *idp = dx->dtxl_idp; + dt_irlist_t *dlp = dx->dtxl_dlp; + dt_regset_t *drp = dx->dtxl_drp; + + dt_node_t *mnp; + dt_xlator_t *dxp; + + int reg, treg; + uint32_t instr; + size_t size; + + /* Generate code for the translation. */ + dxp = idp->di_data; + mnp = dt_xlator_member(dxp, name); + + /* If there's no translator for the given member, skip it. */ + if (mnp == NULL) + return (0); + + dxp->dx_ident->di_flags |= DT_IDFLG_CGREG; + dxp->dx_ident->di_id = dx->dtxl_sreg; + + dt_cg_node(mnp->dn_membexpr, dlp, drp); + + dxp->dx_ident->di_flags &= ~DT_IDFLG_CGREG; + dxp->dx_ident->di_id = 0; + + treg = mnp->dn_membexpr->dn_reg; + + /* Compute the offset into our buffer and store the result there. */ + reg = dt_regset_alloc(drp); + + dt_cg_setx(dlp, reg, off / NBBY); + instr = DIF_INSTR_FMT(DIF_OP_ADD, dx->dtxl_dreg, reg, reg); + dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, instr)); + + size = ctf_type_size(mnp->dn_membexpr->dn_ctfp, + mnp->dn_membexpr->dn_type); + if (dt_node_is_scalar(mnp->dn_membexpr)) { + /* + * Copying scalars is simple. + */ + switch (size) { + case 1: + instr = DIF_INSTR_STORE(DIF_OP_STB, treg, reg); + break; + case 2: + instr = DIF_INSTR_STORE(DIF_OP_STH, treg, reg); + break; + case 4: + instr = DIF_INSTR_STORE(DIF_OP_STW, treg, reg); + break; + case 8: + instr = DIF_INSTR_STORE(DIF_OP_STX, treg, reg); + break; + default: + xyerror(D_UNKNOWN, "internal error -- unexpected " + "size: %lu\n", (ulong_t)size); + } + + dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, instr)); + + } else if (dt_node_is_string(mnp->dn_membexpr)) { + int szreg; + + /* + * Use the copys instruction for strings. + */ + szreg = dt_regset_alloc(drp); + dt_cg_setx(dlp, szreg, size); + instr = DIF_INSTR_COPYS(treg, szreg, reg); + dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, instr)); + dt_regset_free(drp, szreg); + } else { + int szreg; + + /* + * If it's anything else then we'll just bcopy it. + */ + szreg = dt_regset_alloc(drp); + dt_cg_setx(dlp, szreg, size); + dt_irlist_append(dlp, + dt_cg_node_alloc(DT_LBL_NONE, DIF_INSTR_FLUSHTS)); + instr = DIF_INSTR_PUSHTS(DIF_OP_PUSHTV, DIF_TYPE_CTF, + DIF_REG_R0, treg); + dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, instr)); + instr = DIF_INSTR_PUSHTS(DIF_OP_PUSHTV, DIF_TYPE_CTF, + DIF_REG_R0, reg); + dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, instr)); + instr = DIF_INSTR_PUSHTS(DIF_OP_PUSHTV, DIF_TYPE_CTF, + DIF_REG_R0, szreg); + dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, instr)); + instr = DIF_INSTR_CALL(DIF_SUBR_BCOPY, szreg); + dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, instr)); + dt_regset_free(drp, szreg); + } + + dt_regset_free(drp, reg); + dt_regset_free(drp, treg); + + return (0); +} + +/* + * If we're expanding a translated type, we create an appropriately sized + * buffer with alloca() and then translate each member into it. + */ +static int +dt_cg_xlate_expand(dt_node_t *dnp, dt_ident_t *idp, dt_irlist_t *dlp, + dt_regset_t *drp) +{ + dt_xlmemb_t dlm; + uint32_t instr; + int dreg; + size_t size; + + dreg = dt_regset_alloc(drp); + size = ctf_type_size(dnp->dn_ident->di_ctfp, dnp->dn_ident->di_type); + + /* Call alloca() to create the buffer. */ + dt_cg_setx(dlp, dreg, size); + + dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, DIF_INSTR_FLUSHTS)); + + instr = DIF_INSTR_PUSHTS(DIF_OP_PUSHTV, DIF_TYPE_CTF, DIF_REG_R0, dreg); + dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, instr)); + + instr = DIF_INSTR_CALL(DIF_SUBR_ALLOCA, dreg); + dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, instr)); + + /* Generate the translation for each member. */ + dlm.dtxl_idp = idp; + dlm.dtxl_dlp = dlp; + dlm.dtxl_drp = drp; + dlm.dtxl_sreg = dnp->dn_reg; + dlm.dtxl_dreg = dreg; + (void) ctf_member_iter(dnp->dn_ident->di_ctfp, + dnp->dn_ident->di_type, dt_cg_xlate_member, + &dlm); + + return (dreg); +} + static void dt_cg_node(dt_node_t *dnp, dt_irlist_t *dlp, dt_regset_t *drp) { @@ -1600,7 +1756,16 @@ dt_cg_node(dt_node_t *dnp, dt_irlist_t *dlp, dt_regset_t *drp) dt_cg_node(dnp->dn_child, dlp, drp); dnp->dn_reg = dnp->dn_child->dn_reg; - if (!(dnp->dn_flags & DT_NF_REF)) { + if (dt_node_is_dynamic(dnp->dn_child)) { + int reg; + idp = dt_node_resolve(dnp->dn_child, DT_IDENT_XLPTR); + assert(idp != NULL); + reg = dt_cg_xlate_expand(dnp, idp, dlp, drp); + + dt_regset_free(drp, dnp->dn_child->dn_reg); + dnp->dn_reg = reg; + + } else if (!(dnp->dn_flags & DT_NF_REF)) { uint_t ubit = dnp->dn_flags & DT_NF_USERLAND; /* @@ -1998,6 +2163,13 @@ dt_cg(dt_pcb_t *pcb, dt_node_t *dnp) dt_cg_node(dnp, &pcb->pcb_ir, pcb->pcb_regs); + if ((idp = dt_node_resolve(dnp, DT_IDENT_XLSOU)) != NULL) { + int reg = dt_cg_xlate_expand(dnp, idp, + &pcb->pcb_ir, pcb->pcb_regs); + dt_regset_free(pcb->pcb_regs, dnp->dn_reg); + dnp->dn_reg = reg; + } + instr = DIF_INSTR_RET(dnp->dn_reg); dt_regset_free(pcb->pcb_regs, dnp->dn_reg); dt_irlist_append(&pcb->pcb_ir, dt_cg_node_alloc(DT_LBL_NONE, instr)); diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c index c88a92c..8d9e494 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c @@ -2018,13 +2018,13 @@ dt_consume_cpu(dtrace_hdl_t *dtp, FILE *fp, int cpu, uint64_t tracememsize = 0; dtrace_probedata_t data; uint64_t drops; - data.dtpda_flow = dtp->dt_flow; - data.dtpda_indent = dtp->dt_indent; - data.dtpda_prefix = dtp->dt_prefix; bzero(&data, sizeof (data)); data.dtpda_handle = dtp; data.dtpda_cpu = cpu; + data.dtpda_flow = dtp->dt_flow; + data.dtpda_indent = dtp->dt_indent; + data.dtpda_prefix = dtp->dt_prefix; for (offs = buf->dtbd_oldest; offs < buf->dtbd_size; ) { dtrace_eprobedesc_t *epd; @@ -2611,7 +2611,7 @@ typedef struct dt_begin { static int dt_consume_begin_probe(const dtrace_probedata_t *data, void *arg) { - dt_begin_t *begin = (dt_begin_t *)arg; + dt_begin_t *begin = arg; dtrace_probedesc_t *pd = data->dtpda_pdesc; int r1 = (strcmp(pd->dtpd_provider, "dtrace") == 0); @@ -2636,7 +2636,7 @@ static int dt_consume_begin_record(const dtrace_probedata_t *data, const dtrace_recdesc_t *rec, void *arg) { - dt_begin_t *begin = (dt_begin_t *)arg; + dt_begin_t *begin = arg; return (begin->dtbgn_recfunc(data, rec, begin->dtbgn_arg)); } diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_error.c b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_error.c index 75814c1..66776be 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_error.c +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_error.c @@ -18,6 +18,7 @@ * * CDDL HEADER END */ + /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h index c066b03..e4b1db5 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h @@ -468,7 +468,6 @@ enum { EDT_VERSREDUCED, /* requested API version has been reduced */ EDT_CTF, /* libctf called failed (dt_ctferr has more) */ EDT_COMPILER, /* error in D program compilation */ - EDT_NOREG, /* register allocation failure */ EDT_NOTUPREG, /* tuple register allocation failure */ EDT_NOMEM, /* memory allocation failure */ EDT_INT2BIG, /* integer limit exceeded */ diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_parser.c b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_parser.c index aafe647..5b3be7d 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_parser.c +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_parser.c @@ -23,6 +23,7 @@ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Copyright (c) 2011, Joyent Inc. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. */ #pragma ident "%Z%%M% %I% %E% SMI" @@ -96,6 +97,7 @@ */ #include <sys/param.h> +#include <sys/sysmacros.h> #include <limits.h> #include <setjmp.h> #include <strings.h> @@ -1862,6 +1864,38 @@ dt_node_op1(int op, dt_node_t *cp) return (dnp); } +/* + * If an integer constant is being cast to another integer type, we can + * perform the cast as part of integer constant folding in this pass. We must + * take action when the integer is being cast to a smaller type or if it is + * changing signed-ness. If so, we first shift rp's bits bits high (losing + * excess bits if narrowing) and then shift them down with either a logical + * shift (unsigned) or arithmetic shift (signed). + */ +static void +dt_cast(dt_node_t *lp, dt_node_t *rp) +{ + size_t srcsize = dt_node_type_size(rp); + size_t dstsize = dt_node_type_size(lp); + + if (dstsize < srcsize) { + int n = (sizeof (uint64_t) - dstsize) * NBBY; + rp->dn_value <<= n; + rp->dn_value >>= n; + } else if (dstsize > srcsize) { + int n = (sizeof (uint64_t) - srcsize) * NBBY; + int s = (dstsize - srcsize) * NBBY; + + rp->dn_value <<= n; + if (rp->dn_flags & DT_NF_SIGNED) { + rp->dn_value = (intmax_t)rp->dn_value >> s; + rp->dn_value >>= n - s; + } else { + rp->dn_value >>= n; + } + } +} + dt_node_t * dt_node_op2(int op, dt_node_t *lp, dt_node_t *rp) { @@ -2011,32 +2045,9 @@ dt_node_op2(int op, dt_node_t *lp, dt_node_t *rp) } } - /* - * If an integer constant is being cast to another integer type, we can - * perform the cast as part of integer constant folding in this pass. - * We must take action when the integer is being cast to a smaller type - * or if it is changing signed-ness. If so, we first shift rp's bits - * bits high (losing excess bits if narrowing) and then shift them down - * with either a logical shift (unsigned) or arithmetic shift (signed). - */ if (op == DT_TOK_LPAR && rp->dn_kind == DT_NODE_INT && dt_node_is_integer(lp)) { - size_t srcsize = dt_node_type_size(rp); - size_t dstsize = dt_node_type_size(lp); - - if ((dstsize < srcsize) || ((lp->dn_flags & DT_NF_SIGNED) ^ - (rp->dn_flags & DT_NF_SIGNED))) { - int n = dstsize < srcsize ? - (sizeof (uint64_t) * NBBY - dstsize * NBBY) : - (sizeof (uint64_t) * NBBY - srcsize * NBBY); - - rp->dn_value <<= n; - if (lp->dn_flags & DT_NF_SIGNED) - rp->dn_value = (intmax_t)rp->dn_value >> n; - else - rp->dn_value = rp->dn_value >> n; - } - + dt_cast(lp, rp); dt_node_type_propagate(lp, rp); dt_node_attr_assign(rp, dt_attr_min(lp->dn_attr, rp->dn_attr)); dt_node_free(lp); @@ -2895,14 +2906,14 @@ dt_cook_op1(dt_node_t *dnp, uint_t idflags) case DT_TOK_DEREF: /* * If the deref operator is applied to a translated pointer, - * we can just set our output type to the base translation. + * we set our output type to the output of the translation. */ if ((idp = dt_node_resolve(cp, DT_IDENT_XLPTR)) != NULL) { dt_xlator_t *dxp = idp->di_data; dnp->dn_ident = &dxp->dx_souid; dt_node_type_assign(dnp, - DT_DYN_CTFP(dtp), DT_DYN_TYPE(dtp)); + dnp->dn_ident->di_ctfp, dnp->dn_ident->di_type); break; } @@ -3078,6 +3089,31 @@ dt_cook_op1(dt_node_t *dnp, uint_t idflags) return (dnp); } +static void +dt_assign_common(dt_node_t *dnp) +{ + dt_node_t *lp = dnp->dn_left; + dt_node_t *rp = dnp->dn_right; + int op = dnp->dn_op; + + if (rp->dn_kind == DT_NODE_INT) + dt_cast(lp, rp); + + if (!(lp->dn_flags & DT_NF_LVALUE)) { + xyerror(D_OP_LVAL, "operator %s requires modifiable " + "lvalue as an operand\n", opstr(op)); + /* see K&R[A7.17] */ + } + + if (!(lp->dn_flags & DT_NF_WRITABLE)) { + xyerror(D_OP_WRITE, "operator %s can only be applied " + "to a writable variable\n", opstr(op)); + } + + dt_node_type_propagate(lp, dnp); /* see K&R[A7.17] */ + dt_node_attr_assign(dnp, dt_attr_min(lp->dn_attr, rp->dn_attr)); +} + static dt_node_t * dt_cook_op2(dt_node_t *dnp, uint_t idflags) { @@ -3556,19 +3592,7 @@ dt_cook_op2(dt_node_t *dnp, uint_t idflags) } } asgn_common: - if (!(lp->dn_flags & DT_NF_LVALUE)) { - xyerror(D_OP_LVAL, "operator %s requires modifiable " - "lvalue as an operand\n", opstr(op)); - /* see K&R[A7.17] */ - } - - if (!(lp->dn_flags & DT_NF_WRITABLE)) { - xyerror(D_OP_WRITE, "operator %s can only be applied " - "to a writable variable\n", opstr(op)); - } - - dt_node_type_propagate(lp, dnp); /* see K&R[A7.17] */ - dt_node_attr_assign(dnp, dt_attr_min(lp->dn_attr, rp->dn_attr)); + dt_assign_common(dnp); break; case DT_TOK_PTR: @@ -3873,6 +3897,14 @@ asgn_common: dt_node_type_propagate(lp, dnp); /* see K&R[A7.5] */ dt_node_attr_assign(dnp, dt_attr_min(lp->dn_attr, rp->dn_attr)); + + /* + * If it's a pointer then should be able to (attempt to) + * assign to it. + */ + if (lkind == CTF_K_POINTER) + dnp->dn_flags |= DT_NF_WRITABLE; + break; } diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_printf.c b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_printf.c index 51f87b0..24682b2 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_printf.c +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_printf.c @@ -22,6 +22,7 @@ /* * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2011, Joyent, Inc. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. */ #if defined(sun) @@ -161,7 +162,7 @@ static int pfcheck_dint(dt_pfargv_t *pfv, dt_pfargd_t *pfd, dt_node_t *dnp) { if (dnp->dn_flags & DT_NF_SIGNED) - pfd->pfd_flags |= DT_PFCONV_SIGNED; + pfd->pfd_fmt[strlen(pfd->pfd_fmt) - 1] = 'i'; else pfd->pfd_fmt[strlen(pfd->pfd_fmt) - 1] = 'u'; @@ -664,7 +665,7 @@ static const dt_pfconv_t _dtrace_conversions[] = { { "hu", "u", "unsigned short", pfcheck_type, pfprint_uint }, { "hx", "x", "short", pfcheck_xshort, pfprint_uint }, { "hX", "X", "short", pfcheck_xshort, pfprint_uint }, -{ "i", "i", pfproto_xint, pfcheck_dint, pfprint_dint }, +{ "i", "i", pfproto_xint, pfcheck_xint, pfprint_sint }, { "I", "s", pfproto_cstr, pfcheck_str, pfprint_inetaddr }, { "k", "s", "stack", pfcheck_stack, pfprint_stack }, { "lc", "lc", "int", pfcheck_type, pfprint_sint }, /* a.k.a. wint_t */ diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_subr.c b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_subr.c index df34eec..87211a2 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_subr.c +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_subr.c @@ -21,6 +21,7 @@ /* * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. * Use is subject to license terms. */ @@ -617,8 +618,8 @@ dt_printf(dtrace_hdl_t *dtp, FILE *fp, const char *format, ...) size_t avail; /* - * It's not legal to use buffered ouput if there is not a - * handler for buffered output. + * Using buffered output is not allowed if a handler has + * not been installed. */ if (dtp->dt_bufhdlr == NULL) { va_end(ap); diff --git a/cddl/contrib/opensolaris/lib/libdtrace/i386/dt_isadep.c b/cddl/contrib/opensolaris/lib/libdtrace/i386/dt_isadep.c index f11ae48..9479e83 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/i386/dt_isadep.c +++ b/cddl/contrib/opensolaris/lib/libdtrace/i386/dt_isadep.c @@ -24,6 +24,10 @@ * Use is subject to license terms. */ +/* + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + #include <stdlib.h> #include <assert.h> #include <errno.h> @@ -525,7 +529,8 @@ dt_instr_size(uchar_t *instr, dtrace_hdl_t *dtp, pid_t pid, uintptr_t addr, * another debugger attached to this process. The original instruction * can't be recovered so this must fail. */ - if (x86dis.d86_len == 1 && instr[0] == FASTTRAP_INSTR) + if (x86dis.d86_len == 1 && + (uchar_t)x86dis.d86_bytes[0] == FASTTRAP_INSTR) return (-1); return (x86dis.d86_len); |
