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# Copyright 2012-2014 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
load_lib dwarf.exp
# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
return 0
}
standard_testfile
set asmsrcfile [standard_output_file ${testfile}asm.S]
set asmobjfile [standard_output_file ${testfile}asm.o]
set srcabsdir [standard_output_file ${testfile}.d]
set srctmpfile tmp-${testfile}.c
# $srcdir may be relative.
if {[file pathtype $srcabsdir] != "absolute"} {
untested "objdir pathtype is not absolute"
return -1
}
set f [open $asmsrcfile "w"]
puts $f "/* DO NOT EDIT! GENERATED AUTOMATICALLY! */"
proc out_cu { name cu_dir cu_name line_dir line_name } {
global f
puts -nonewline $f "\
.L${name}_begin:
.4byte .L${name}_end - .L${name}_start /* Length of Compilation Unit */
.L${name}_start:
.2byte 2 /* DWARF Version */
.4byte .Labbrev1_begin /* Offset into abbrev section */
.byte 4 /* Pointer size */
"
if { $cu_dir != "" } {
puts $f " .uleb128 ABBREV_COMP_DIR_NAME /* Abbrev: DW_TAG_compile_unit */"
} else {
puts $f " .uleb128 ABBREV_NAME /* Abbrev: DW_TAG_compile_unit */"
}
puts -nonewline $f "\
.ascii \"GNU C\\0\" /* DW_AT_producer */
.byte 2 /* DW_AT_language (DW_LANG_C) */
.4byte .Lline_${name}_begin /* DW_AT_stmt_list */
.4byte ${name}_start /* DW_AT_low_pc */
.4byte ${name}_end /* DW_AT_high_pc */
"
if { $cu_dir != "" } {
puts $f " .ascii $cu_dir /* DW_AT_comp_dir */"
}
puts -nonewline $f "\
.ascii $cu_name /* DW_AT_name */
.uleb128 3 /* Abbrev: DW_TAG_subprogram */
.asciz \"${name}\" /* DW_AT_name */
.4byte ${name}_start /* DW_AT_low_pc */
.4byte ${name}_end /* DW_AT_high_pc */
.byte 0 /* End of children of CU */
.L${name}_end:
"
}
proc out_line { name cu_dir cu_name line_dir line_name } {
global f
puts -nonewline $f "\
.Lline_${name}_begin:
.4byte .Lline_${name}_end - .Lline_${name}_start /* Initial length */
.Lline_${name}_start:
.2byte 2 /* Version */
.4byte .Lline_${name}_lines - .Lline_${name}_hdr /* header_length */
.Lline_${name}_hdr:
.byte 1 /* Minimum insn length */
.byte 1 /* default_is_stmt */
.byte 1 /* line_base */
.byte 1 /* line_range */
.byte 4 /* opcode_base */
/* Standard lengths */
.byte 0
.byte 1
.byte 1
/* Include directories */
"
if { $line_dir != "" } {
puts $f " .ascii $line_dir"
}
puts -nonewline $f "\
.byte 0
/* File names */
.ascii $line_name
"
if { $line_dir != "" } {
puts $f " .uleb128 1"
} else {
puts $f " .uleb128 0"
}
puts -nonewline $f "\
.uleb128 0
.uleb128 0
.byte 0
.Lline_${name}_lines:
.byte 3 /* DW_LNS_advance_line */
.sleb128 998 /* ... to 999 */
.byte 0 /* DW_LNE_set_address */
.uleb128 5
.byte 2
.4byte ${name}_start
.byte 1 /* DW_LNS_copy */
.byte 3 /* DW_LNS_advance_line */
.sleb128 1 /* ... to 1000 */
.byte 0 /* DW_LNE_set_address */
.uleb128 5
.byte 2
.4byte ${name}_end
.byte 1 /* DW_LNS_copy */
.byte 0 /* DW_LNE_end_of_sequence */
.uleb128 1
.byte 1
.Lline_${name}_end:
"
}
# IFSOME can be optionally _same or _different if >= 2 absolute directories are
# provided. Then in the _different case the overriden directories have invalid
# XDIR value.
proc out_unit { func compdir ldir file ifsame } {
set name "compdir_${compdir}_ldir_${ldir}_file_${file}${ifsame}"
if { $compdir == "missing_" } {
set cu_dir {}
} elseif { $compdir == "relative" } {
set cu_dir {COMPDIR "\0"}
} elseif { $compdir == "absolute" } {
set cu_dir {BDIR "/" COMPDIR "\0"}
} else {
error "compdir $compdir"
}
if { $ldir == "missing_" } {
set line_dir {}
} elseif { $ldir == "relative" } {
set line_dir {LDIR "\0"}
} elseif { $ldir == "absolute" } {
set line_dir {BDIR "/" LDIR "\0"}
} else {
error "ldir $ldir"
}
if { $file == "basename" } {
set cu_name {FILE "\0"}
} elseif { $file == "relative" } {
set cu_name {FDIR "/" FILE "\0"}
} elseif { $file == "absolute" } {
set cu_name {BDIR "/" FILE "\0"}
} else {
error "file $file"
}
set line_name $cu_name
if { "$ifsame" == "_different" } {
if { $file == "absolute" } {
if { $ldir == "absolute" } {
set line_dir {XDIR "\0"}
}
if { $compdir == "absolute" } {
set cu_dir {XDIR "\0"}
}
} elseif { $ldir == "absolute" } {
if { $compdir == "absolute" } {
set cu_dir {XDIR "\0"}
}
} else {
error "not enough absolutes"
}
}
$func $name $cu_dir $cu_name $line_dir $line_name
}
proc out_diff { func compdir ldir file } {
set abscount 0
if { $compdir == "absolute" } {
incr abscount
}
if { $ldir == "absolute" } {
incr abscount
}
if { $file == "absolute" } {
incr abscount
}
if { $abscount <= 1 } {
out_unit $func $compdir $ldir $file ""
} else {
out_unit $func $compdir $ldir $file "_same"
out_unit $func $compdir $ldir $file "_different"
}
}
proc out_file { func compdir ldir } {
out_diff $func $compdir $ldir "basename"
out_diff $func $compdir $ldir "relative"
out_diff $func $compdir $ldir "absolute"
}
proc out_ldir { func compdir } {
out_file $func $compdir "missing_"
out_file $func $compdir "relative"
out_file $func $compdir "absolute"
}
proc out_compdir { func } {
out_ldir $func "missing_"
out_ldir $func "relative"
out_ldir $func "absolute"
}
puts -nonewline $f "\
#define ABBREV_NAME 1
#define ABBREV_COMP_DIR_NAME 2
.section .debug_info
"
out_compdir out_cu
puts $f " .section .debug_line"
out_compdir out_line
puts -nonewline $f "\
.section .debug_abbrev
.Labbrev1_begin:
.uleb128 ABBREV_NAME /* Abbrev code */
.uleb128 0x11 /* DW_TAG_compile_unit */
.byte 1 /* has_children */
.uleb128 0x25 /* DW_AT_producer */
.uleb128 0x8 /* DW_FORM_string */
.uleb128 0x13 /* DW_AT_language */
.uleb128 0xb /* DW_FORM_data1 */
.uleb128 0x10 /* DW_AT_stmt_list */
.uleb128 0x6 /* DW_FORM_data4 */
.uleb128 0x11 /* DW_AT_low_pc */
.uleb128 0x1 /* DW_FORM_addr */
.uleb128 0x12 /* DW_AT_high_pc */
.uleb128 0x1 /* DW_FORM_addr */
.uleb128 0x3 /* DW_AT_name */
.uleb128 0x8 /* DW_FORM_string */
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */
.uleb128 ABBREV_COMP_DIR_NAME /* Abbrev code */
.uleb128 0x11 /* DW_TAG_compile_unit */
.byte 1 /* has_children */
.uleb128 0x25 /* DW_AT_producer */
.uleb128 0x8 /* DW_FORM_string */
.uleb128 0x13 /* DW_AT_language */
.uleb128 0xb /* DW_FORM_data1 */
.uleb128 0x10 /* DW_AT_stmt_list */
.uleb128 0x6 /* DW_FORM_data4 */
.uleb128 0x11 /* DW_AT_low_pc */
.uleb128 0x1 /* DW_FORM_addr */
.uleb128 0x12 /* DW_AT_high_pc */
.uleb128 0x1 /* DW_FORM_addr */
.uleb128 0x1b /* DW_AT_comp_dir */
.uleb128 0x8 /* DW_FORM_string */
.uleb128 0x3 /* DW_AT_name */
.uleb128 0x8 /* DW_FORM_string */
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */
.uleb128 3 /* Abbrev code */
.uleb128 0x2e /* DW_TAG_subprogram */
.byte 0 /* has_children */
.uleb128 0x3 /* DW_AT_name */
.uleb128 0x8 /* DW_FORM_string */
.uleb128 0x11 /* DW_AT_low_pc */
.uleb128 0x1 /* DW_FORM_addr */
.uleb128 0x12 /* DW_AT_high_pc */
.uleb128 0x1 /* DW_FORM_addr */
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */
"
close $f
set opts {}
# Base directory.
lappend opts "additional_flags=-DBDIR=\"${srcabsdir}\""
# Incorrect directory which should never be visible from GDB.
lappend opts "additional_flags=-DXDIR=\"${srcabsdir}/xdir\""
# CU's DW_AT_comp_dir.
lappend opts "additional_flags=-DCOMPDIR=\"compdir\""
# .debug_line's directory.
lappend opts "additional_flags=-DLDIR=\"ldir\""
# CU's DW_AT_name and .debug_line's filename relative directory, if needed.
lappend opts "additional_flags=-DFDIR=\"fdir\""
# CU's DW_AT_name and .debug_line's filename.
lappend opts "additional_flags=-DFILE=\"${srctmpfile}\""
if { [gdb_compile "${asmsrcfile} ${srcdir}/${subdir}/$srcfile" "${binfile}" executable $opts] != "" } {
untested "Cannot compile ${asmsrcfile} or $srcfile"
return -1
}
set dirs {}
foreach r {"" /rdir} {
foreach x {"" /xdir} {
foreach comp {"" /compdir} {
foreach l {"" /ldir} {
foreach f {"" /fdir} {
lappend dirs $r$x$comp$l$f
}
}
}
}
}
proc pathexpand {prefix dirlst suffix} {
set retlst {}
foreach dir $dirlst {
lappend retlst "$prefix$dir$suffix"
}
return $retlst
}
set filelist [pathexpand $srcabsdir $dirs "/$srctmpfile"]
set dircreatelist [pathexpand $srcabsdir $dirs ""]
set dirremovelist [pathexpand $srcabsdir [lreverse $dirs] ""]
remote_exec host "sh -c \"rm -f $filelist\""
remote_exec host "sh -c \"rmdir $dirremovelist\""
remote_exec host "sh -c \"mkdir $dircreatelist\""
remote_exec host "sh -c \"for d in $dircreatelist; do cp ${srcdir}/${subdir}/${srcfile} \\\$d/${srctmpfile}; done\""
clean_restart ${testfile}
if ![runto_main] {
return -1
}
gdb_test "cd ${srcabsdir}/rdir" "Working directory [string_to_regexp ${srcabsdir}]/rdir\\." "cd .../rdir"
proc test { func compdir filename } {
with_test_prefix "$func" {
# Clear the GDB cache.
gdb_test_no_output "set directories" ""
if {$compdir == ""} {
set absolute "$filename"
} else {
set absolute "$compdir/$filename"
}
if {[string index $absolute 0] != "/"} {
error "not absolute"
}
gdb_breakpoint $func
gdb_continue_to_breakpoint $func "$func \\(\\) at .*"
gdb_test_no_output "set filename-display absolute"
verbose -log "expect: ${absolute}"
gdb_test "frame" " in $func \\(\\) at [string_to_regexp ${absolute}]:999" "absolute"
gdb_test_no_output "set filename-display basename"
verbose -log "expect: [file tail $filename]"
gdb_test "frame" " in $func \\(\\) at [string_to_regexp [file tail $filename]]:999" "basename"
gdb_test_no_output "set filename-display relative"
verbose -log "expect: $filename"
gdb_test "frame" " in $func \\(\\) at [string_to_regexp $filename]:999" "relative"
}
}
set bdir "${srcabsdir}"
set file "${srctmpfile}"
test "compdir_missing__ldir_missing__file_basename" "$bdir/rdir" "$file"
test "compdir_missing__ldir_missing__file_relative" "$bdir/rdir" "fdir/$file"
test "compdir_missing__ldir_missing__file_absolute" "" "$bdir/$file"
test "compdir_missing__ldir_relative_file_basename" "$bdir/rdir" "ldir/$file"
test "compdir_missing__ldir_relative_file_relative" "$bdir/rdir" "ldir/fdir/$file"
test "compdir_missing__ldir_relative_file_absolute" "" "$bdir/$file"
test "compdir_missing__ldir_absolute_file_basename" "" "$bdir/ldir/$file"
test "compdir_missing__ldir_absolute_file_relative" "" "$bdir/ldir/fdir/$file"
test "compdir_missing__ldir_absolute_file_absolute_same" "" "$bdir/$file"
test "compdir_missing__ldir_absolute_file_absolute_different" "" "$bdir/$file"
test "compdir_relative_ldir_missing__file_basename" "$bdir/rdir/compdir" "$file"
test "compdir_relative_ldir_missing__file_relative" "$bdir/rdir/compdir" "fdir/$file"
test "compdir_relative_ldir_missing__file_absolute" "" "$bdir/$file"
test "compdir_relative_ldir_relative_file_basename" "$bdir/rdir/compdir" "ldir/$file"
test "compdir_relative_ldir_relative_file_relative" "$bdir/rdir/compdir" "ldir/fdir/$file"
test "compdir_relative_ldir_relative_file_absolute" "" "$bdir/$file"
test "compdir_relative_ldir_absolute_file_basename" "" "$bdir/ldir/$file"
test "compdir_relative_ldir_absolute_file_relative" "" "$bdir/ldir/fdir/$file"
test "compdir_relative_ldir_absolute_file_absolute_same" "" "$bdir/$file"
test "compdir_relative_ldir_absolute_file_absolute_different" "" "$bdir/$file"
test "compdir_absolute_ldir_missing__file_basename" "$bdir/compdir" "$file"
test "compdir_absolute_ldir_missing__file_relative" "$bdir/compdir" "fdir/$file"
test "compdir_absolute_ldir_missing__file_absolute_same" "" "$bdir/$file"
test "compdir_absolute_ldir_missing__file_absolute_different" "" "$bdir/$file"
test "compdir_absolute_ldir_relative_file_basename" "$bdir/compdir" "ldir/$file"
test "compdir_absolute_ldir_relative_file_relative" "$bdir/compdir" "ldir/fdir/$file"
test "compdir_absolute_ldir_relative_file_absolute_same" "" "$bdir/$file"
test "compdir_absolute_ldir_relative_file_absolute_different" "" "$bdir/$file"
test "compdir_absolute_ldir_absolute_file_basename_same" "" "$bdir/ldir/$file"
test "compdir_absolute_ldir_absolute_file_relative_different" "" "$bdir/ldir/fdir/$file"
test "compdir_absolute_ldir_absolute_file_absolute_same" "" "$bdir/$file"
test "compdir_absolute_ldir_absolute_file_absolute_different" "" "$bdir/$file"
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