diff options
Diffstat (limited to 'gdb/testsuite/gdb.base/nodebug.exp')
| -rw-r--r-- | gdb/testsuite/gdb.base/nodebug.exp | 213 |
1 files changed, 183 insertions, 30 deletions
diff --git a/gdb/testsuite/gdb.base/nodebug.exp b/gdb/testsuite/gdb.base/nodebug.exp index a54e5bb..3a2a821 100644 --- a/gdb/testsuite/gdb.base/nodebug.exp +++ b/gdb/testsuite/gdb.base/nodebug.exp @@ -39,7 +39,56 @@ if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != " clean_restart $binfile -if [runto inner] then { +# Run to FUNC and unload symbols from system shared libraries, to +# avoid conflicts with the minsyms in the program. E.g., +# intl/plural-exp.h has 'enum expression_operator {..., mult, ...}'. + +proc nodebug_runto {func} { + with_test_prefix $func { + if ![runto $func] { + return false + } + gdb_test_no_output "nosharedlibrary" \ + "unload symbols from system libraries" + return true + } +} + +# Test calling no-debug functions involving argument types that may +# require coercion/promotion, both prototyped and unprototyped, both +# return-type-cast style, and function-pointer-cast styles. +proc test_call_promotion {} { + if [target_info exists gdb,cannot_call_functions] { + return + } + + # Call prototyped function with float parameters via both + # return-type cast and function-pointer cast. This checks that + # GDB doesn't do float->double coercion. + gdb_test "p (float) multf(2.0f, 3.0f)" " = 6" + gdb_test "p ((float (*) (float, float)) multf)(2, 3)" " = 6" + gdb_test "p ((float (*) (float, float)) multf)(2.0f, 3.0f)" " = 6" + + # Call unprototyped function with float parameters via + # function-pointer cast, only. return-type cast assumes + # protototyped. Check that GDB does float->double coercion. + gdb_test "p ((float (*) ()) multf_noproto)(2.0f, 3.0f)" " = 6" + gdb_test "p ((float (*) ()) multf_noproto)(2.0, 3.0)" " = 6" + + # Same, but for double. + gdb_test "p (double) mult (2.0, 3.0)" " = 6" + gdb_test "p ((double (*) (double, double)) mult)(2.0f, 3.0f)" " = 6" + gdb_test "p ((double (*) (double, double)) mult)(2, 3)" " = 6" + gdb_test "p ((double (*) ()) mult_noproto)(2.0f, 3.0f)" " = 6" + gdb_test "p ((double (*) ()) mult_noproto)(2.0, 3.0)" " = 6" + + # Check that GDB promotes char->int correctly. + gdb_test "p /d (uint8) add8((uint8) 2, (uint8) 3)" " = 5" + gdb_test "p /d ((uint8 (*) (uint8, uint8)) add8)((uint8) 2, (uint8) 3)" " = 5" + gdb_test "p /d ((uint8 (*) ()) add8_noproto)((uint8) 2, (uint8) 3)" " = 5" +} + +if [nodebug_runto inner] then { # Expect to find global/local symbols in each of text/data/bss. @@ -59,22 +108,116 @@ if [runto inner] then { # out debugging info for non-aggregate return values of functions # even without -g, which should be accepted. - gdb_test "p top" \ - "\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?top(\\(int\\)|)>" - gdb_test "whatis top" \ - "(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))" - gdb_test "ptype top" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)" - - gdb_test "p middle" \ - "\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?middle(\\(int\\)|)>" - gdb_test "whatis middle" \ - "(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))" - gdb_test "ptype middle" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)" - - gdb_test "p dataglobal" "= 3" - gdb_test "whatis dataglobal" \ - "<(data variable|variable), no debug info>|int" - gdb_test "ptype dataglobal" "<(data variable|variable), no debug info>|int" + with_test_prefix "func" { + # Most languages default to printing like C. + set c_print_re " = \\{<text variable, no debug info>\\} $hex <top>" + set c_whatis_re " = <text variable, no debug info>" + set c_ptype_re "= <unknown return type> \\(\\)" + + set cxx_ptype_re "= <unknown return type> \\(void\\)" + + set ada_ptype_re " = function return <unknown return type>" + + set m2_print_re " = \\{PROCEDURE <text variable, no debug info> \\(\\) : <unknown return type>\\} $hex <top>" + set m2_whatis_re "PROCEDURE <text variable, no debug info> \\(\\) : <unknown return type>" + set m2_ptype_re $m2_whatis_re + + # Rust can't access minsyms? + set rust_nosym "No symbol 'top' in current context" + + set pascal_ptype_re "type = procedure : <unknown return type>" + + #LANG #PRINT #WHATIS #PTYPE + foreach lang_line { + {"ada" $c_print_re $c_whatis_re $ada_ptype_re} + {"asm" $c_print_re $c_whatis_re $c_ptype_re} + {"c" $c_print_re $c_whatis_re $c_ptype_re} + {"c++" $c_print_re $c_whatis_re $cxx_ptype_re} + {"d" $c_print_re $c_whatis_re $c_ptype_re} + {"fortran" $c_print_re $c_whatis_re $c_ptype_re} + {"go" $c_print_re $c_whatis_re $c_ptype_re} + {"minimal" $c_print_re $c_whatis_re $c_ptype_re} + {"modula-2" $m2_print_re $m2_whatis_re $m2_ptype_re} + {"objective-c" $c_print_re $c_whatis_re $c_ptype_re} + {"opencl" $c_print_re $c_whatis_re $c_ptype_re} + {"pascal" $c_print_re $c_whatis_re $pascal_ptype_re} + {"rust" $rust_nosym $rust_nosym $rust_nosym} + } { + set lang [lindex $lang_line 0] + set print_re [lindex $lang_line 1] + set whatis_re [lindex $lang_line 2] + set ptype_re [lindex $lang_line 3] + + set print_re [subst "$print_re"] + set whatis_re [subst "$whatis_re"] + set ptype_re [subst "$ptype_re"] + + with_test_prefix "$lang" { + gdb_test_no_output "set language $lang" + gdb_test "p top" $print_re + gdb_test "whatis top" $whatis_re + gdb_test "ptype top" $ptype_re + } + } + } + + gdb_test_no_output "set language auto" + + # We can't rely on uintXX_t being available/known to GDB because + # we may or may not have debug info for those (depending on + # whether we have debug info for the C runtime, for example). + gdb_test_no_output "macro define uint8 unsigned char" + gdb_test_no_output "macro define uint32 unsigned int" + gdb_test_no_output "macro define uint64 unsigned long long" + + set data_var_type "<data variable, no debug info>" + set unk_type_re "has unknown type.*to its declared type" + set ptr_math_re "Cannot perform pointer math on incomplete type \"$data_var_type\", try casting to a known type, or void \\*\\." + set not_mem_re "Attempt to take address of value not located in memory\\." + + set dataglobal_unk_re "dataglobal.*$unk_type_re" + + #exp #fmt #print #ptype/whatis + foreach line { + {"dataglobal" "" $dataglobal_unk_re " = $data_var_type"} + {"(int) dataglobal" "" "= 3" " = int"} + {"sizeof(dataglobal)" "" $dataglobal_unk_re $dataglobal_unk_re} + {"sizeof(dataglobal + 1)" "" $dataglobal_unk_re $dataglobal_unk_re} + {"sizeof((int) dataglobal)" "" " = $decimal" " = int"} + {"dataglobal + 1" "" $dataglobal_unk_re $dataglobal_unk_re} + {"&dataglobal" "" "\\($data_var_type \\*\\) $hex <dataglobal>" " = $data_var_type \\*"} + {"&dataglobal + 1" "" $ptr_math_re $ptr_math_re} + {"(int *) &dataglobal + 1" "" " = \\(int \\*\\) $hex <datalocal>" "int \\*"} + {"&(int) dataglobal + 1" "" $not_mem_re $not_mem_re} + {"&dataglobal, &dataglobal" "" "\\($data_var_type \\*\\) $hex <dataglobal>" " = $data_var_type \\*"} + {"*dataglobal" "" $dataglobal_unk_re $dataglobal_unk_re} + + {"dataglobal8" "/x" $dataglobal_unk_re " = $data_var_type"} + {"(uint8) dataglobal8" "/x" " = 0xff" "unsigned char"} + + {"dataglobal32_1" "/x" $dataglobal_unk_re " = $data_var_type"} + {"(uint32) dataglobal32_1" "/x" " = 0x7fffffff" "unsigned int"} + {"dataglobal32_2" "/x" $dataglobal_unk_re " = $data_var_type"} + {"(uint32) dataglobal32_2" "/x" " = 0xff" "unsigned int"} + + {"dataglobal64_1" "/x" $dataglobal_unk_re " = $data_var_type"} + {"(uint64) dataglobal64_1" "/x" " = 0x7fffffffffffffff" "unsigned long long"} + {"dataglobal64_2" "/x" $dataglobal_unk_re " = $data_var_type"} + {"(uint64) dataglobal64_2" "/x" " = 0xff" "unsigned long long"} + } { + set exp [lindex $line 0] + # Expand variables. + set fmt [subst -nobackslashes [lindex $line 1]] + set print [subst -nobackslashes [lindex $line 2]] + set whatis [subst -nobackslashes [lindex $line 3]] + if {$fmt == ""} { + gdb_test "p $exp" $print + } else { + gdb_test "p $fmt $exp" $print + } + gdb_test "whatis $exp" $whatis + gdb_test "ptype $exp" $whatis + } # The only symbol xcoff puts out for statics is for the TOC entry. # Possible, but hairy, for gdb to deal. Right now it doesn't, it @@ -82,35 +225,39 @@ if [runto inner] then { setup_xfail "rs6000*-*-aix*" setup_xfail "powerpc*-*-aix*" - gdb_test "p datalocal" "= 4" + gdb_test "p datalocal" "datalocal.*$unk_type_re" + gdb_test "p (int) datalocal" "= 4" setup_xfail "rs6000*-*-aix*" setup_xfail "powerpc*-*-aix*" - gdb_test "whatis datalocal" "<(data variable|variable), no debug info>" + gdb_test "whatis datalocal" "datalocal.*$data_var_type" setup_xfail "rs6000*-*-aix*" setup_xfail "powerpc*-*-aix*" - gdb_test "ptype datalocal" "<(data variable|variable), no debug info>" - gdb_test "p bssglobal" "= 0" - gdb_test "whatis bssglobal" "<(data variable|variable), no debug info>|int" - gdb_test "ptype bssglobal" "<(data variable|variable), no debug info>|int" + gdb_test "ptype datalocal" "datalocal.*$data_var_type" + + gdb_test "p bssglobal" "bssglobal.*$unk_type_re" + gdb_test "p (int) bssglobal" "= 0" + gdb_test "whatis bssglobal" $data_var_type + gdb_test "ptype bssglobal" $data_var_type setup_xfail "rs6000*-*-aix*" setup_xfail "powerpc*-*-aix*" - gdb_test "p bsslocal" "= 0" + gdb_test "p bsslocal" "bsslocal.*$unk_type_re" + gdb_test "p (int) bsslocal" "= 0" setup_xfail "rs6000*-*-aix*" setup_xfail "powerpc*-*-aix*" - gdb_test "whatis bsslocal" "<(data variable|variable), no debug info>" + gdb_test "whatis bsslocal" $data_var_type setup_xfail "rs6000*-*-aix*" setup_xfail "powerpc*-*-aix*" - gdb_test "ptype bsslocal" "<(data variable|variable), no debug info>" + gdb_test "ptype bsslocal" $data_var_type gdb_test "backtrace 10" "#0.*inner.*#1.*middle.*#2.*top.*#3.*main.*" \ "backtrace from inner in nodebug.exp" @@ -122,20 +269,26 @@ if [runto inner] then { # This test is not as obscure as it might look. `p getenv ("TERM")' # is a real-world example, at least on many systems. + foreach cmd {"p/c" "ptype" "whatis"} { + gdb_test "$cmd array_index(\"abcdef\",2)" \ + "'array_index' has unknown return type; cast the call to its declared return type" + } if [target_info exists gdb,cannot_call_functions] { - unsupported "p/c array_index(\"abcdef\",2)" + unsupported "p/c (int) array_index(\"abcdef\",2)" } else { # We need to up this because this can be really slow on some boards. # (malloc() is called as part of the test). set prev_timeout $timeout set timeout 60 - gdb_test {p/c array_index("abcdef",2)} " = 99 'c'" + gdb_test {p/c (int) array_index("abcdef",2)} " = 99 'c'" set timeout $prev_timeout } - + + test_call_promotion + # Now, try that we can give names of file-local symbols which happen # to be unique, and have it still work - if [runto middle] then { + if [nodebug_runto middle] then { gdb_test "backtrace 10" "#0.*middle.*#1.*top.*#2.*main.*" \ "backtrace from middle in nodebug.exp" } |