diff options
Diffstat (limited to 'gdb/testsuite')
| -rw-r--r-- | gdb/testsuite/ChangeLog | 18 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.arch/amd64-entry-value.cc | 40 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.arch/amd64-entry-value.exp | 34 |
3 files changed, 92 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index e3df529a..1a7b5da 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,5 +1,23 @@ 2011-10-09 Jan Kratochvil <jan.kratochvil@redhat.com> + Display @entry parameter values even for references. + * gdb.arch/amd64-entry-value.cc (reference, datap, datap_input): New + functions. + (main): New variables regvar, nodatavarp, stackvar1, stackvar2. Call + reference and datap_input. + * gdb.arch/amd64-entry-value.exp (reference, breakhere_reference): New + breakpoints. + (continue to breakpoint: entry_reference: reference) + (entry_reference: bt at entry) + (continue to breakpoint: entry_reference: breakhere_reference) + (entry_reference: bt, entry_reference: ptype regparam) + (entry_reference: p regparam, entry_reference: ptype regparam@entry) + (entry_reference: p regparam@entry, entry_reference: p ®param@entry) + (entry_reference: p regcopy, entry_reference: p nodataparam) + (entry_reference: p nodataparam@entry): New tests. + +2011-10-09 Jan Kratochvil <jan.kratochvil@redhat.com> + Support @entry in input expressions. * gdb.arch/amd64-entry-value.exp (entry: p i@entry, entry: p j@entry) (entry_stack: p s1@entry, entry_stack: p s2@entry) diff --git a/gdb/testsuite/gdb.arch/amd64-entry-value.cc b/gdb/testsuite/gdb.arch/amd64-entry-value.cc index 7b7d050..2202e28 100644 --- a/gdb/testsuite/gdb.arch/amd64-entry-value.cc +++ b/gdb/testsuite/gdb.arch/amd64-entry-value.cc @@ -135,6 +135,40 @@ asm ("breakhere_stacktest:"); e (v, v); } +/* nodataparam has DW_AT_GNU_call_site_value but it does not have + DW_AT_GNU_call_site_data_value. GDB should not display dereferenced @entry + value for it. */ + +static void __attribute__((noinline, noclone)) +reference (int ®param, int &nodataparam, int r3, int r4, int r5, int r6, + int &stackparam1, int &stackparam2) +{ + int regcopy = regparam, nodatacopy = nodataparam; + int stackcopy1 = stackparam1, stackcopy2 = stackparam2; + + regparam = 21; + nodataparam = 22; + stackparam1 = 31; + stackparam2 = 32; + e (v, v); +asm ("breakhere_reference:"); + e (v, v); +} + +static int *__attribute__((noinline, noclone)) +datap () +{ + static int two = 2; + + return &two; +} + +static void __attribute__((noinline, noclone)) +datap_input (int *datap) +{ + (*datap)++; +} + static int __attribute__((noinline, noclone)) data (void) { @@ -183,6 +217,12 @@ main () validity (5, data ()); invalid (data2 ()); + { + int regvar = 1, *nodatavarp = datap (), stackvar1 = 11, stackvar2 = 12; + reference (regvar, *nodatavarp, 3, 4, 5, 6, stackvar1, stackvar2); + datap_input (nodatavarp); + } + if (v) a (1, 1.25); else diff --git a/gdb/testsuite/gdb.arch/amd64-entry-value.exp b/gdb/testsuite/gdb.arch/amd64-entry-value.exp index 10a82ab..185249c 100644 --- a/gdb/testsuite/gdb.arch/amd64-entry-value.exp +++ b/gdb/testsuite/gdb.arch/amd64-entry-value.exp @@ -42,6 +42,8 @@ gdb_breakpoint "different" gdb_breakpoint "breakhere_different" gdb_breakpoint "breakhere_validity" gdb_breakpoint "breakhere_invalid" +gdb_breakpoint "reference" +gdb_breakpoint "breakhere_reference" # Test @entry values for register passed parameters. @@ -158,6 +160,38 @@ gdb_test_no_output "set print entry-values default" "entry_invalid: set print en gdb_test "frame" {\(inv=<optimized out>\).*} "entry_invalid: frame: default" +# Test @entry values for DW_AT_GNU_call_site_data_value parameters. + +gdb_continue_to_breakpoint "entry_reference: reference" + +# GCC PR debug/49980: Missing stackparam1@entry and stackparam2@entry. +gdb_test "bt" "#0 +reference \\(regparam=regparam@entry=@0x\[0-9a-f\]+: 1, nodataparam=@0x\[0-9a-f\]+: 2, \[^\r\n\]+, stackparam1=@0x\[0-9a-f\]+: 11, stackparam2=@0x\[0-9a-f\]+: 12\\) \[^\r\n\]*\r\n#1 +0x\[0-9a-f\]+ in main \\(\\) \[^\r\n\]*" \ + "entry_reference: bt at entry" + +gdb_continue_to_breakpoint "entry_reference: breakhere_reference" + +# GCC PR debug/49980: Missing stackparam1@entry and stackparam2@entry. +gdb_test "bt" "#0 +reference \\(regparam=@0x\[0-9a-f\]+: 21, regparam@entry=@0x\[0-9a-f\]+: 1, nodataparam=@0x\[0-9a-f\]+: 22, \[^\r\n\]+, stackparam1=@0x\[0-9a-f\]+: 31, stackparam2=@0x\[0-9a-f\]+: 32\\) \[^\r\n\]*\r\n#1 +0x\[0-9a-f\]+ in main \\(\\) \[^\r\n\]*" \ + "entry_reference: bt" +gdb_test "ptype regparam" " = int &" "entry_reference: ptype regparam" + +set test "entry_reference: p regparam" +set addr "" +gdb_test_multiple "p regparam" $test { + -re " = \\(int &\\) @(0x\[0-9a-f\]+): 21\r\n$gdb_prompt $" { + set addr $expect_out(1,string) + pass $test + } +} + +gdb_test "ptype regparam@entry" " = int &" "entry_reference: ptype regparam@entry" +gdb_test "p regparam@entry" " = \\(int &\\) @$addr: 1" "entry_reference: p regparam@entry" +gdb_test "p ®param@entry" " = \\(int \\*\\) $addr" "entry_reference: p ®param@entry" +gdb_test "p regcopy" " = 1" "entry_reference: p regcopy" +gdb_test "p nodataparam" " = \\(int &\\) @0x\[0-9a-f\]+: 22" "entry_reference: p nodataparam" +gdb_test "p nodataparam@entry" "Cannot resolve DW_AT_GNU_call_site_data_value" "entry_reference: p nodataparam@entry" + + # Test virtual tail call frames. gdb_continue_to_breakpoint "tailcall: breakhere" |