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-rw-r--r--.gdbinit50
1 files changed, 40 insertions, 10 deletions
diff --git a/.gdbinit b/.gdbinit
index ee29c2b6be..4ca7c2fa19 100644
--- a/.gdbinit
+++ b/.gdbinit
@@ -1021,25 +1021,55 @@ define print_lineno
set $pos = $pos - 1
end
- set $i = 0
+ set $index = 0
set $size = $iseq->body->insns_info.size
set $table = $iseq->body->insns_info.body
set $positions = $iseq->body->insns_info.positions
#printf "size: %d\n", $size
if $size == 0
else
- set $i = 1
- while $i < $size
- #printf "table[%d]: position: %d, line: %d, pos: %d\n", $i, $positions[$i], $table[$i].line_no, $pos
- if $positions[$i] > $pos
- loop_break
+ if $size == 1
+ printf "%d", $table[0].line_no
+ else
+ if $positions
+ # get_insn_info_linear_search
+ set $index = 1
+ while $index < $size
+ #printf "table[%d]: position: %d, line: %d, pos: %d\n", $i, $positions[$i], $table[$i].line_no, $pos
+ if $positions[$index] > $pos
+ loop_break
+ end
+ set $index = $index + 1
+ if $positions[$index] == $pos
+ loop_break
+ end
end
- set $i = $i + 1
- if $positions[$i] == $pos
- loop_break
+ else
+ # get_insn_info_succinct_bitvector
+ set $sd = $iseq->body->insns_info.succ_index_table
+ set $immediate_table_size = sizeof($sd->imm_part) / sizeof(uint64_t) * 9
+ if $pos < $immediate_table_size
+ set $i = $pos / 9
+ set $j = $pos % 9
+ set $index = ((int)($sd->imm_part[$i] >> ($j * 7))) & 0x7f
+ else
+ set $block_index = ($pos - $immediate_table_size) / 512
+ set $block = &$sd->succ_part[$block_index]
+ set $block_bit_index = ($pos - $immediate_table_size) % 512
+ set $small_block_index = $block_bit_index / 64
+ set $small_block_popcount = $small_block_index == 0 ? 0 : (((int)($block->small_block_ranks >> (($small_block_index - 1) * 9))) & 0x1ff)
+ set $x = $block->bits[$small_block_index] << (63 - $block_bit_index % 64)
+ set $x = ($x & 0x5555555555555555) + ($x >> 1 & 0x5555555555555555)
+ set $x = ($x & 0x3333333333333333) + ($x >> 2 & 0x3333333333333333)
+ set $x = ($x & 0x0707070707070707) + ($x >> 4 & 0x0707070707070707)
+ set $x = ($x & 0x001f001f001f001f) + ($x >> 8 & 0x001f001f001f001f)
+ set $x = ($x & 0x0000003f0000003f) + ($x >>16 & 0x0000003f0000003f)
+ set $popcnt = ($x & 0x7f) + ($x >>32 & 0x7f)
+ set $index = $block->rank + $small_block_popcount + $popcnt
end
end
- printf "%d", $table[$i-1].line_no
+ printf "%d", $table[$index-1].line_no
+ end
end
end