fix display to be nicer

diff --git a/detpic/crashread b/detpic/crashread
index 7dec8674d15bd2fcded3d292bf76f60834b92316..42d92e26e8da6f8fe056a8c767d2ae69a1dfd230 100755 (executable)
--- a/detpic/crashread
+++ b/detpic/crashread
@@ -10,6 +10,8 @@ set block preable
 set headings unknown
 set inblk 3
 
+proc debug {s} { puts "$s" }
+
 proc manyset {list args} {
     foreach val $list var $args { upvar 1 $var my; set my $val }
 }
@@ -116,9 +118,25 @@ while {[gets $h l]>=0} {
     }
 }
 
+lappend symbols {0x00000060 {=udata,!acs=}}
+#lappend symbols {0x00000f00 {=SFRs,!acs=}}
+lappend symbols {0x00000f60 {=SFRs,acs= {}}}
+lappend sections {0x00000f00 {=SFRs=} 0}
+#lappend sections {0x00000060 {==========UDATA,!ACS===========} 0}
+#lappend sections {0x00000f60 {==========SFRs,ACS===========} 0}
+
 lappend sections [list 0x1000 =END= 0]
 set sections [lsort $sections]
 set symbols [lsort $symbols]
+#debug >$symbols<
+
+proc addendlast {v ev evn} {
+    upvar #0 $v syms
+    lappend syms [list [lindex [lindex $syms end] 0] [list {} (lastsymbol)]]
+    lappend syms [list [format 0x%08lx $ev] [list {} $evn]]
+}
+
+addendlast symbolsbylockind(program) 0x8000 (end)
 
 set p [open $port {RDWR NONBLOCK} 0]
 exec stty -F $port min 1 time 0 -istrip -ocrnl -onlcr -onocr -opost \
@@ -140,7 +158,7 @@ set ms [expr {
 
 proc xmit {b} {
     global p
-#puts stderr >xmit|$b<
+    #debug >xmit|$b<
     set b [expr $b]
     set c [binary format c* $b]
     puts -nonewline $p [format %c $b]
@@ -249,30 +267,80 @@ set sectionchange 0
 set insection 0
 set addr 0
 set now_max 4
-set inline -1
 set displine 0
+set inline 0
+set shownsection {}
 
 proc p {s} { puts -nonewline $s }
 
 setup_$ms
 
+proc queue_show {kind value} {
+    upvar #0 q_$kind queued
+    lappend queued $value
+}
+
+proc p_addr_symbol {a s} {
+    global inline
+    endline
+    p [format "%08x %-15s %-20s" $a [lindex $s 0] [lindex $s 1]]
+    set inline 1
+}
+
 proc endline {} {
-    global inline displine
-    if {$inline} { p "\n"; incr displine }
+    global inline
+    if {!$inline} return
+    p "\n"
     set inline 0
 }
 
+proc do_show {} {
+    global addr inline insection q_symbol q_section shownss
+    global shownsection
+    #debug "do_show [format %x $addr] $insection $q_symbol $q_section"
+    if {$inline} { error "do_show inline $addr" }
+    foreach s $q_section {
+       if {![string compare $s $shownsection]} continue
+       p "---------- $s ----------\n"
+       set shownsection $s
+    }
+    set shownss {}
+    foreach s $q_symbol {
+       p_addr_symbol $addr $s
+       set shownss [concat $s]
+    }
+    #debug "shownss>$shownss<"
+    if {!$insection && ![string compare =SFRs= $shownsection]} {
+       endline
+       p "\n"
+       reset_show
+       return
+    }
+    if {![llength $q_symbol]} { p_addr_symbol $addr {} }
+    if {!$insection} {
+       endline
+#      p "------------------------------\n"
+       set shownsection {}
+    }
+    reset_show
+}
+
+proc reset_show {} {
+    foreach v {q_section q_symbol} {
+       global $v
+       set $v {}
+    }
+}
+
 proc show {sym} {
     global insection section displine addr shownsection inline shownss
     set showsectionend 0
     if {$insection && [string compare $section $shownsection]} {
        endline
-       p "---------- $section ----------\n"
        set shownsection $section
        set displine 0
     } elseif {!$insection && [string length $shownsection]} {
        endline
-       p "------------------------------\n"
        set shownsection {}
        set displine 0
     }
@@ -283,59 +351,72 @@ proc show {sym} {
        endline
     }
     if {!$inline} {
-       p [format "%08x %-15s %-20s" $addr \
-               [lindex $sym 0] [lindex $sym 1]]
        set inline 1
        set shownss $shownsection-$sym
     }
 }
 
-set stkptr {panic_vars_section-panic: psave_stkptr}
-set stack {panic_vars_section-panic: panic_stack}
+set stkptr {panic: psave_stkptr}
+set stack {panic: panic_stack}
 
+reset_show
 foreach ss [list $stkptr $stack] { set ccontents($ss) {} }
 
 while {$sectionnum < [llength $sections]} {
+    # So what happens at this address ?
+
     set now_section [expr {$sectionchange - $addr}]
-    set now_symbol [expr {$symboladdr - $addr}]
     if {!$now_section && !$insection} {
+       queue_show section $section
        set insection 1
        set sectionchange $sectionend
        continue
     }
-    if {!$now_symbol} {
-       show $symbol
-       thingnext symbol
-       continue
-    }
     if {!$now_section && $insection} {
-       if {[string compare $section =SFRs=]} {
-           show { }
-       }
        thingnext section
        set insection 0
        set sectionchange $sectionaddr
+        continue
     }
+
+    set now_symbol [expr {$symboladdr - $addr}]
+    if {!$now_symbol} {
+       queue_show symbol $symbol
+       thingnext symbol
+       continue
+    }
+
+    # OK, that's all the things that we need to say
+    # about this addr.
+
+    # Decide how much to do:
     set now $now_symbol
     if {$now > $now_section} { set now $now_section }
+
+    #debug "now $now"
+    do_show
+
     if {!$insection} {
        incr addr $now
        continue
     }
-    if {$now > $now_max} { set now $now_max }
-    show {}
-    set bytes [readbytes $addr $now]
-    foreach b $bytes {
-       set h [format "%02x" [expr {$b & 0xff}]]
-       p " $h"
-       if {[info exists ccontents($shownss)]} {
-           append ccontents($shownss) $h
+
+    while {$now > 0} {
+       set nownow $now
+       if {$nownow > $now_max} { set nownow $now_max }
+       set bytes [readbytes $addr $nownow]
+       foreach b $bytes {
+           set h [format "%02x" [expr {$b & 0xff}]]
+           p " $h"
+           if {[info exists ccontents($shownss)]} {
+               append ccontents($shownss) $h
+           }
+           incr addr
        }
-       incr addr
+       incr now -$nownow
     }
-    set inline 1
+    endline
 }
-endline
 
 set stackdepth 31
 
@@ -344,9 +425,13 @@ proc stack_chkptr {si} {
     if {$si == $stkptr+1} { p " - - - - -\n" }
 }
 
-foreach v {stkptr stack} { set $v $ccontents([set $v]) }
+foreach v {stkptr stack} {
+    #debug ">$v|[set $v]|$ccontents([set $v])<"
+    set $v $ccontents([set $v])
+}
 
-p "\n---------- =Execution Stack= ----------\n"
+endline
+p "---------- =Execution Stack= ----------\n"
 set stkptr [expr "0x$stkptr & $stackdepth"]
 
 for {set si 1} {$si <= $stackdepth} {incr si} {