135 lines
5.1 KiB
Text
135 lines
5.1 KiB
Text
# Copyright 2014-2015 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 gdb-guile.exp
|
|
|
|
standard_testfile
|
|
|
|
if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
|
|
return
|
|
}
|
|
|
|
# Skip all tests if Guile scripting is not enabled.
|
|
if { [skip_guile_tests] } { continue }
|
|
|
|
if ![gdb_guile_runto_main] {
|
|
return
|
|
}
|
|
|
|
# Disassemble one instruction at pc and verify the result.
|
|
|
|
proc test_disassemble_1 { name address extra_args } {
|
|
with_test_prefix $name {
|
|
gdb_scm_test_silent_cmd "guile (define insn-list (arch-disassemble arch $address $extra_args #:size 1 #:count 1))" \
|
|
"disassemble"
|
|
|
|
gdb_test "guile (print (length insn-list))" \
|
|
"= 1" "test number of instructions"
|
|
gdb_scm_test_silent_cmd "guile (define insn (car insn-list))" \
|
|
"get instruction"
|
|
|
|
# Verify all the fields are present.
|
|
gdb_test "guile (print (->bool (assq-ref insn 'address)))" \
|
|
"= #t" "test key address"
|
|
gdb_test "guile (print (->bool (assq-ref insn 'asm)))" \
|
|
"= #t" "test key asm"
|
|
gdb_test "guile (print (->bool (assq-ref insn 'length)))" \
|
|
"= #t" "test key length"
|
|
|
|
# Verify the correct address is used.
|
|
gdb_test "guile (print (= $address (assq-ref insn 'address)))" \
|
|
"= #t" "verify correct address"
|
|
}
|
|
}
|
|
|
|
gdb_scm_test_silent_cmd "guile (define frame (selected-frame))" "get frame"
|
|
gdb_scm_test_silent_cmd "guile (define arch (frame-arch frame))" "get arch"
|
|
gdb_scm_test_silent_cmd "guile (define pc (frame-pc frame))" "get pc"
|
|
|
|
gdb_test "guile (print (arch-disassemble arch pc #:size 0))" \
|
|
"= \\(\\)" "disassemble, zero size"
|
|
gdb_test "guile (print (arch-disassemble arch pc #:count 0))" \
|
|
"= \\(\\)" "disassemble, zero count"
|
|
|
|
gdb_scm_test_silent_cmd "guile (define insn-list1 (arch-disassemble arch pc #:size 1 #:count 1))" \
|
|
"disassemble"
|
|
gdb_scm_test_silent_cmd "guile (define insn-list2 (arch-disassemble arch pc #:size 1))" \
|
|
"disassemble, no count"
|
|
gdb_scm_test_silent_cmd "guile (define insn-list3 (arch-disassemble arch pc #:count 1))" \
|
|
"disassemble, no end"
|
|
gdb_scm_test_silent_cmd "guile (define insn-list4 (arch-disassemble arch pc))" \
|
|
"disassemble, no end no count"
|
|
|
|
gdb_test "guile (print (length insn-list1))" \
|
|
"= 1" "test number of instructions 1"
|
|
gdb_test "guile (print (length insn-list2))" \
|
|
"= 1" "test number of instructions 2"
|
|
gdb_test "guile (print (length insn-list3))" \
|
|
"= 1" "test number of instructions 3"
|
|
gdb_test "guile (print (length insn-list4))" \
|
|
"= 1" "test number of instructions 4"
|
|
|
|
test_disassemble_1 "basic" "pc" ""
|
|
|
|
if { ![is_address_zero_readable] } {
|
|
# Negative test
|
|
gdb_test "guile (arch-disassemble arch 0 #:size 1)" \
|
|
"ERROR: Cannot access memory at address 0x.*" "test bad memory access"
|
|
}
|
|
|
|
# Test disassembly through a port.
|
|
|
|
gdb_scm_test_silent_cmd "guile (define mem (open-memory))" \
|
|
"open memory port"
|
|
|
|
test_disassemble_1 "memory-port" "pc" "#:port mem"
|
|
|
|
gdb_scm_test_silent_cmd "guile (define insn-list-mem (arch-disassemble arch pc #:port mem #:size 1 #:count 1))" \
|
|
"disassemble via memory port"
|
|
|
|
# Test memory error reading from port.
|
|
|
|
gdb_scm_test_silent_cmd "guile (define mem1 (open-memory #:start pc #:size 4))" \
|
|
"open restricted range memory port"
|
|
|
|
# The x86 disassembler tries to be clever and will print "byte 0x42" if
|
|
# there is insufficient memory for the entire instruction.
|
|
# So we pass "#:count 5" to ensure the disassembler tries to read beyond
|
|
# the end of the memory range.
|
|
gdb_test "guile (arch-disassemble arch pc #:port mem1 #:count 5 #:offset pc)" \
|
|
"ERROR: Cannot access memory at address 0x.*" \
|
|
"test bad memory access from port"
|
|
|
|
# Test disassembly of a bytevector.
|
|
|
|
gdb_scm_test_silent_cmd "guile (use-modules (rnrs io ports))" \
|
|
"import (rnrs io ports)"
|
|
|
|
# First fetch the length of the instruction at $pc.
|
|
gdb_scm_test_silent_cmd "guile (define insn-list-for-bv (arch-disassemble arch pc))" \
|
|
"get insn for bytevector"
|
|
gdb_test_no_output "guile (define insn-length (assq-ref (car insn-list-for-bv) 'length))" \
|
|
"get insn length for bytevector"
|
|
|
|
# Read the insn into a bytevector.
|
|
gdb_test_no_output "guile (define insn-bv (get-bytevector-n (open-memory #:start pc #:size insn-length) insn-length))" \
|
|
"read insn into bytevector"
|
|
|
|
# Disassemble the bytevector.
|
|
gdb_scm_test_silent_cmd "guile (define insn-list-from-bv (arch-disassemble arch pc #:port (open-bytevector-input-port insn-bv) #:offset pc))" \
|
|
"disassemble bytevector"
|
|
|
|
gdb_test "guile (print (equal? insn-list-for-bv insn-list-from-bv))" \
|
|
"= #t" "verify bytevector disassembly"
|