summaryrefslogtreecommitdiffstats
path: root/sys/contrib/ia64/libuwx/src/uwx_trace.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/contrib/ia64/libuwx/src/uwx_trace.c')
-rw-r--r--sys/contrib/ia64/libuwx/src/uwx_trace.c166
1 files changed, 166 insertions, 0 deletions
diff --git a/sys/contrib/ia64/libuwx/src/uwx_trace.c b/sys/contrib/ia64/libuwx/src/uwx_trace.c
new file mode 100644
index 0000000..0338dbe
--- /dev/null
+++ b/sys/contrib/ia64/libuwx/src/uwx_trace.c
@@ -0,0 +1,166 @@
+/*
+Copyright (c) 2003-2006 Hewlett-Packard Development Company, L.P.
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "uwx_env.h"
+#include "uwx_utable.h"
+#include "uwx_uinfo.h"
+#include "uwx_scoreboard.h"
+#include "uwx_trace.h"
+
+#ifdef UWX_TRACE_ENABLE
+
+void uwx_trace_init(struct uwx_env *env)
+{
+ char *tstr;
+
+ tstr = getenv("UWX_TRACE");
+ if (tstr != NULL) {
+ while (*tstr != '\0') {
+ switch (*tstr) {
+ case 'i': env->trace |= UWX_TRACE_UINFO; break;
+ case 't': env->trace |= UWX_TRACE_UTABLE; break;
+ case 'b': env->trace |= UWX_TRACE_SB; break;
+ case 'r': env->trace |= UWX_TRACE_RSTATE; break;
+ case 's': env->trace |= UWX_TRACE_STEP; break;
+ case 'c': env->trace |= UWX_TRACE_CONTEXT; break;
+ case 'C': env->trace |= UWX_TRACE_COPYIN; break;
+ case 'L': env->trace |= UWX_TRACE_LOOKUPIP; break;
+ case '?':
+#ifdef _KERNEL
+ fprintf(stderr, "UWX_TRACE flag `%c' unknown.\n", *tstr);
+#else
+ fprintf(stderr, "UWX_TRACE flags:\n");
+ fprintf(stderr, " i: unwind info\n");
+ fprintf(stderr, " t: unwind table searching\n");
+ fprintf(stderr, " b: scoreboard management\n");
+ fprintf(stderr, " r: register state vector\n");
+ fprintf(stderr, " s: step\n");
+ fprintf(stderr, " c: context\n");
+ fprintf(stderr, " C: copyin callback\n");
+ fprintf(stderr, " L: lookup ip callback\n");
+ exit(1);
+#endif
+ }
+ tstr++;
+ }
+ }
+}
+
+char *uwx_sb_rnames[] = {
+ "RP", "PSP", "PFS",
+ "PREDS", "UNAT", "PRIUNAT", "RNAT", "LC", "FPSR",
+ "GR4", "GR5", "GR6", "GR7",
+ "BR1", "BR2", "BR3", "BR4", "BR5",
+ "FR2", "FR3", "FR4", "FR5",
+ "FR16", "FR17", "FR18", "FR19",
+ "FR20", "FR21", "FR22", "FR23",
+ "FR24", "FR25", "FR26", "FR27",
+ "FR28", "FR29", "FR30", "FR31",
+};
+
+void uwx_dump_rstate(int regid, uint64_t rstate)
+{
+ int reg;
+
+ if (rstate == UWX_DISP_NONE)
+ return;
+ fprintf(stderr, " %-7s", uwx_sb_rnames[regid]);
+ switch (UWX_GET_DISP_CODE(rstate)) {
+ case UWX_DISP_NONE:
+ fprintf(stderr, " unchanged\n");
+ break;
+ case UWX_DISP_SPPLUS(0):
+ fprintf(stderr, " SP + %d\n", (int)rstate & ~0x07);
+ break;
+ case UWX_DISP_SPREL(0):
+ fprintf(stderr, " [SP + %d]\n", (int)rstate & ~0x07);
+ break;
+ case UWX_DISP_PSPREL(0):
+ fprintf(stderr, " [PSP + 16 - %d]\n", (int)rstate & ~0x07);
+ break;
+ case UWX_DISP_REG(0):
+ reg = UWX_GET_DISP_REGID(rstate);
+ if (reg == UWX_REG_AR_PFS)
+ fprintf(stderr, " AR.PFS\n");
+ else if (reg == UWX_REG_AR_UNAT)
+ fprintf(stderr, " AR.UNAT\n");
+ else if (reg >= UWX_REG_GR(0) && reg < UWX_REG_GR(128))
+ fprintf(stderr, " GR%d\n", reg - UWX_REG_GR(0));
+ else if (reg >= UWX_REG_FR(0) && reg < UWX_REG_FR(128))
+ fprintf(stderr, " FR%d\n", reg - UWX_REG_FR(0));
+ else if (reg >= UWX_REG_BR(0) && reg < UWX_REG_BR(8))
+ fprintf(stderr, " BR%d\n", reg - UWX_REG_BR(0));
+ else
+ fprintf(stderr, " <reg %d>\n", reg);
+ break;
+ default:
+ fprintf(stderr, " <%08lx>\n", (long)rstate);
+ break;
+ }
+}
+
+void uwx_dump_scoreboard(
+ struct uwx_scoreboard *scoreboard,
+ int nsbreg,
+ struct uwx_rhdr *rhdr,
+ int cur_slot,
+ int ip_slot)
+{
+ int i;
+
+ if (rhdr->is_prologue)
+ fprintf(stderr, " Prologue region (start = %d, length = %d)\n",
+ (int)cur_slot, (int)rhdr->rlen);
+ else
+ fprintf(stderr, " Body region (start = %d, length = %d, ecount = %d)\n",
+ cur_slot, (int)rhdr->rlen, rhdr->ecount);
+ if (ip_slot < rhdr->rlen)
+ fprintf(stderr, " IP is in this region (offset = %d)\n", ip_slot);
+ for (i = 0; i < nsbreg; i++)
+ uwx_dump_rstate(i, scoreboard->rstate[i]);
+}
+
+void uwx_dump_uinfo_block(
+ struct uwx_utable_entry *uentry,
+ unsigned int ulen)
+{
+ int i;
+ uint32_t *uinfo = (uint32_t *)(intptr_t)uentry->unwind_info;
+
+ ulen += DWORDSZ; /* Include unwind info header */
+ if (uentry->unwind_flags & UNWIND_TBL_32BIT) /* and personality routine */
+ ulen += WORDSZ;
+ else
+ ulen += DWORDSZ;
+ while (ulen >= WORDSZ) {
+ fprintf(stderr, " %08lx: ", (unsigned long)uinfo);
+ for (i = 0; i < 4 * WORDSZ && ulen >= WORDSZ; i += WORDSZ) {
+ fprintf(stderr, " %04x", *uinfo++);
+ ulen -= WORDSZ;
+ }
+ fprintf(stderr, "\n");
+ }
+}
+
+#endif /* UWX_TRACE_ENABLE */
OpenPOWER on IntegriCloud