| # Copyright 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 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" |