gdb/testsuite/gdb.base/infoline-reloc-main-from-zero.exp

# Copyright 2018-2024 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,
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# This file is part of the gdb testsuite

#
# PR gdb/21695
# This tests if gdb can display line information of relocated symbols in the
# case where executable text section was at address zero before relocation.
#

standard_testfile .c

# Build executable with stripped startup code and text section starting at zero

set opts {}
lappend opts debug
lappend opts "ldflags=-nostdlib -emain -Wl,-Ttext=0x00 -Wl,-N"
lappend opts additional_flags=-static

set ld_flags ldflags=-Wl,--no-warn-rwx-segments
if { [gdb_can_simple_compile ld-flags {int main () { return 0; }} executable \
	  $ld_flags] } {
    lappend opts $ld_flags
}

if {[build_executable $testfile.exp $testfile $srcfile $opts] == -1} {
    untested "failed to compile"
    return -1
}

clean_restart

# Load symbols at an offset 0xffff0000 using add-symbol-file

gdb_test "add-symbol-file $binfile 0xffff0000" \
    "Reading symbols from .*" \
    "add-symbol-file" \
    "add symbol table from file \".*\" at.*\\(y or n\\) " "y"

# Check if we are able to read offset adjusted line information of main
    
gdb_test "info line main" \
	"Line.*starts at address 0xffff0000.*and ends at.*"