diff options
Diffstat (limited to 'erts/etc/unix')
-rw-r--r-- | erts/etc/unix/cerl.src | 6 | ||||
-rw-r--r-- | erts/etc/unix/etp-commands.in | 89 | ||||
-rw-r--r-- | erts/etc/unix/run_erl.c | 6 |
3 files changed, 93 insertions, 8 deletions
diff --git a/erts/etc/unix/cerl.src b/erts/etc/unix/cerl.src index 78fefbea55..aa51eabfc5 100644 --- a/erts/etc/unix/cerl.src +++ b/erts/etc/unix/cerl.src @@ -43,6 +43,7 @@ # -gcov Run emulator compiled for gcov # -valgrind Run emulator compiled for valgrind # -lcnt Run emulator compiled for lock counting +# -icount Run emulator compiled for instruction counting # -nox Unset the DISPLAY variable to disable us of X Windows # # FIXME For GDB you can also set the break point using "-break FUNCTION". @@ -180,6 +181,11 @@ while [ $# -gt 0 ]; do cargs="$cargs -frmptr" TYPE=.frmptr ;; + "-icount") + shift + cargs="$cargs -icount" + TYPE=.icount + ;; "-dump") shift GDB=dump diff --git a/erts/etc/unix/etp-commands.in b/erts/etc/unix/etp-commands.in index bf6eb00314..8ebb65ad77 100644 --- a/erts/etc/unix/etp-commands.in +++ b/erts/etc/unix/etp-commands.in @@ -1065,8 +1065,8 @@ define etp-cp-1 set $etp_cp_mid = $etp_cp_low + ($etp_cp_high-$etp_cp_low)/2 end if $etp_cp_p - # 12 = MI_FUNCTIONS - set $etp_cp_low = (Eterm**)($etp_cp_p->start + 12) + # 13 = MI_FUNCTIONS + set $etp_cp_low = (Eterm**)($etp_cp_p->start + 13) # 0 = MI_NUM_FUNCTIONS set $etp_cp_high = $etp_cp_low +$etp_cp_p->start[0] set $etp_cp_p = 0 @@ -1130,6 +1130,39 @@ document etp-cp %--------------------------------------------------------------------------- end +define etp-check-beam-ranges + set $etp_ci = 0 + while $etp_ci < 3 + printf "Checking code index %i...\n", $etp_ci + set $etp_j = 0 + while $etp_j < r[$etp_ci].n + set $etp_p = &r[$etp_ci].modules[$etp_j] + if $etp_j > 0 && $etp_p->start < (Range*)$etp_p[-1].end.counter + printf "r[%i].modules[%i]: ERROR start < previous\n", $etp_ci, $etp_j + end + if $etp_p->start > (Range*)$etp_p->end.counter + printf "r[%i].modules[%i]: ERROR start > end\n", $etp_ci, $etp_j + else + if $etp_p->start == (Range*)$etp_p->end.counter + printf "r[%i].modules[%i]: Purged\n", $etp_ci, $etp_j + end + end + set $etp_j = $etp_j + 1 + end + set $etp_ci = $etp_ci + 1 + end +end + +document etp-check-beam-ranges +%--------------------------------------------------------------------------- +% etp-check-beam-ranges +% +% Do consistency check of beam_ranges data structure +% and print errors and empty slots from purged modules. +%--------------------------------------------------------------------------- +end + + ############################################################################ # Commands for special term bunches. # @@ -3481,11 +3514,13 @@ end define etp-carrier-blocks set $etp_crr = (Carrier_t*) $arg0 set $etp_alc = (Allctr_t*)($etp_crr->allctr.counter & ~7) + set $etp_crr_end = ((char*)$etp_crr + ($etp_crr->chdr & ~7) - (sizeof(void*) & ~8)) set $etp_blk = (Block_t*) ((char*)$etp_crr + $etp_alc->mbc_header_size) set $etp_prev_blk = 0 set $etp_error_cnt = 0 set $etp_ablk_cnt = 0 set $etp_fblk_cnt = 0 + set $etp_aborted = 0 if $argc == 2 set $etp_be_silent = $arg1 @@ -3532,14 +3567,21 @@ define etp-carrier-blocks end set $etp_prev_blk = $etp_blk set $etp_blk = (Block_t*) ((char*)$etp_blk + $etp_blk_sz) + if $etp_blk < (Block_t*) ((char*)$etp_prev_blk + $etp_alc->min_block_size) || $etp_blk >= $etp_crr_end + printf "ERROR: Invalid size of block at %#lx. ABORTING\n", $etp_prev_blk + set $etp_aborted = 1 + loop_break + end end - if ((char*)$etp_blk + $etp_blk_sz) != ((char*)$etp_crr + ($etp_crr->chdr & ~7)) - printf "ERROR: Last block not at end of carrier\n" - set $etp_error_cnt = $etp_error_cnt + 1 + if !$etp_aborted + if ((char*)$etp_blk + $etp_blk_sz) != $etp_crr_end + printf "ERROR: Last block not at end of carrier\n" + set $etp_error_cnt = $etp_error_cnt + 1 + end + printf "Allocated blocks: %u\n", $etp_ablk_cnt + printf "Free blocks: %u\n", $etp_fblk_cnt end - printf "Allocated blocks: %u\n", $etp_ablk_cnt - printf "Free blocks: %u\n", $etp_fblk_cnt if $etp_error_cnt printf "%u ERRORs reported above\n", $etp-error-cnt end @@ -3552,6 +3594,39 @@ document etp-carrier-blocks %--------------------------------------------------------------------------- end +define etp-address-to-beam-opcode + set $etp_i = 0 + set $etp_min_diff = ((UWord)1 << (sizeof(UWord)*8 - 1)) + set $etp_min_opcode = -1 + set $etp_addr = (UWord) ($arg0) + + while $etp_i < num_instructions && $etp_min_diff > 0 + if ($etp_addr - (UWord)beam_ops[$etp_i]) < $etp_min_diff + set $etp_min_diff = $etp_addr - (UWord)beam_ops[$etp_i] + set $etp_min_opcode = $etp_i + end + set $etp_i = $etp_i + 1 + end + if $etp_min_diff == 0 + printf "Address %p is start of '%s'\n", $etp_addr, opc[$etp_min_opcode].name + else + if $etp_min_opcode >= 0 + printf "Address is %ld bytes into opcode '%s' at %p\n", $etp_min_diff, opc[$etp_min_opcode].name, beam_ops[$etp_min_opcode] + else + printf "Invalid opcode address\n" + end + end +end + +document etp-address-to-beam-opcode +%--------------------------------------------------------------------------- +% Get beam opcode from a native instruction address (within process_main()) +% Arg: Instructon pointer value +% +% Does not work with NO_JUMP_TABLE +%--------------------------------------------------------------------------- +end + ############################################################################ # Toolbox parameter handling diff --git a/erts/etc/unix/run_erl.c b/erts/etc/unix/run_erl.c index a6fc4c2bf5..049e83f9e4 100644 --- a/erts/etc/unix/run_erl.c +++ b/erts/etc/unix/run_erl.c @@ -40,9 +40,13 @@ #ifdef HAVE_CONFIG_H # include "config.h" #endif + #ifdef HAVE_WORKING_POSIX_OPENPT +#ifndef _XOPEN_SOURCE #define _XOPEN_SOURCE 600 #endif +#endif + #include <sys/types.h> #include <sys/wait.h> #include <sys/stat.h> @@ -486,7 +490,7 @@ static void pass_on(pid_t childpid) #ifdef DEBUG erts_run_erl_log_status("Pty master write; "); #endif - len = erts_run_erl_extract_ctrl_seq(buf, len); + len = erts_run_erl_extract_ctrl_seq(buf, len, mfd); if(len==1 && buf[0] == '\003') { kill(childpid,SIGINT); |