diff options
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/dwarf2expr.c | 4 | ||||
| -rw-r--r-- | gdb/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.dwarf2/clztest.S | 900 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.dwarf2/clztest.c | 33 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.dwarf2/clztest.exp | 91 |
6 files changed, 1037 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 4ee52d5..3898cd8 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,10 @@ 2011-05-13 Tom Tromey <tromey@redhat.com> + * dwarf2expr.c (read_uleb128): Cast intermediate result. + (read_sleb128): Likewise. + +2011-05-13 Tom Tromey <tromey@redhat.com> + * dwarf2loc.c (disassemble_dwarf_expression): Fix instruction offset display. diff --git a/gdb/dwarf2expr.c b/gdb/dwarf2expr.c index b42f289..1fe8b79 100644 --- a/gdb/dwarf2expr.c +++ b/gdb/dwarf2expr.c @@ -364,7 +364,7 @@ read_uleb128 (const gdb_byte *buf, const gdb_byte *buf_end, ULONGEST * r) error (_("read_uleb128: Corrupted DWARF expression.")); byte = *buf++; - result |= (byte & 0x7f) << shift; + result |= ((ULONGEST) (byte & 0x7f)) << shift; if ((byte & 0x80) == 0) break; shift += 7; @@ -390,7 +390,7 @@ read_sleb128 (const gdb_byte *buf, const gdb_byte *buf_end, LONGEST * r) error (_("read_sleb128: Corrupted DWARF expression.")); byte = *buf++; - result |= (byte & 0x7f) << shift; + result |= ((ULONGEST) (byte & 0x7f)) << shift; shift += 7; if ((byte & 0x80) == 0) break; diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 1704199..e5c12b8 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2011-05-13 Tom Tromey <tromey@redhat.com> + + * gdb.dwarf2/clztest.exp: New file. + * gdb.dwarf2/clztest.c: New file. + * gdb.dwarf2/clztest.S: New file. + 2011-05-13 Doug Evans <dje@google.com> * gdb.base/charset.exp: If UTF-16 is not available, skip char16_t, String16 tests. diff --git a/gdb/testsuite/gdb.dwarf2/clztest.S b/gdb/testsuite/gdb.dwarf2/clztest.S new file mode 100644 index 0000000..c7c333e --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/clztest.S @@ -0,0 +1,900 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2011 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/>. */ + +/* This source file was generated from clztest.c using the following + command line: + + gcc -dA -S -g -O2 clztest.c -o clztest.S + +*/ + + .file "clztest.c" + .text +.Ltext0: + .p2align 4,,15 + .globl foo + .type foo, @function +foo: +.LFB0: + # clztest.c:8 +.LM1: +.LVL0: +# BLOCK 2 freq:10000 seq:0 +# PRED: ENTRY [100.0%] (fallthru) + # clztest.c:9 +.LM2: + bsrq %rdi, %rax + xorl $63, %eax + cltq +.LVL1: + # clztest.c:11 +.LM3: +.LVL2: + # clztest.c:12 +.LM4: + movl vv(%rip), %edx + addl $1, %edx + movl %edx, vv(%rip) +# SUCC: EXIT [100.0%] + # clztest.c:14 +.LM5: + ret +.LFE0: + .size foo, .-foo + .p2align 4,,15 + .globl bar + .type bar, @function +bar: +.LFB1: + # clztest.c:18 +.LM6: +.LVL3: +# BLOCK 2 freq:10000 seq:0 +# PRED: ENTRY [100.0%] (fallthru) + # clztest.c:19 +.LM7: + bsrq %rdi, %rax + xorl $63, %eax + cltq +.LVL4: + # clztest.c:21 +.LM8: +.LVL5: + # clztest.c:22 +.LM9: + movl vv(%rip), %edx + addl $1, %edx + movl %edx, vv(%rip) +# SUCC: EXIT [100.0%] + # clztest.c:24 +.LM10: + ret +.LFE1: + .size bar, .-bar + .section .text.startup,"ax",@progbits + .p2align 4,,15 + .globl _start + .type _start, @function +_start: +.LFB2: + # clztest.c:28 +.LM11: +# BLOCK 2 freq:10000 seq:0 +# PRED: ENTRY [100.0%] (fallthru) + pushq %rbx +.LCFI0: + # clztest.c:29 +.LM12: + movl vv(%rip), %ebx +.LVL6: + # clztest.c:30 +.LM13: + movslq %ebx, %rbx +.LVL7: + leaq 1193046(%rbx), %rdi + call foo +.LVL8: + # clztest.c:31 +.LM14: + leaq 2147483647(%rbx), %rdi + call bar +.LVL9: + # clztest.c:33 +.LM15: + xorl %eax, %eax + popq %rbx +.LCFI1: +.LVL10: +# SUCC: EXIT [100.0%] + ret +.LFE2: + .size _start, .-_start + .comm vv,4,4 +#APP + .section .debug_frame,"",@progbits +.Lframe0: + .long .LECIE0-.LSCIE0 # Length of Common Information Entry +.LSCIE0: + .long 0xffffffff # CIE Identifier Tag + .byte 0x1 # CIE Version + .ascii "\0" # CIE Augmentation + .uleb128 0x1 # CIE Code Alignment Factor + .sleb128 -8 # CIE Data Alignment Factor + .byte 0x10 # CIE RA Column + .byte 0xc # DW_CFA_def_cfa + .uleb128 0x7 + .uleb128 0x8 + .byte 0x90 # DW_CFA_offset, column 0x10 + .uleb128 0x1 + .align 8 +.LECIE0: +.LSFDE0: + .long .LEFDE0-.LASFDE0 # FDE Length +.LASFDE0: + .long .Lframe0 # FDE CIE offset + .quad .LFB0 # FDE initial location + .quad .LFE0-.LFB0 # FDE address range + .align 8 +.LEFDE0: +.LSFDE2: + .long .LEFDE2-.LASFDE2 # FDE Length +.LASFDE2: + .long .Lframe0 # FDE CIE offset + .quad .LFB1 # FDE initial location + .quad .LFE1-.LFB1 # FDE address range + .align 8 +.LEFDE2: +.LSFDE4: + .long .LEFDE4-.LASFDE4 # FDE Length +.LASFDE4: + .long .Lframe0 # FDE CIE offset + .quad .LFB2 # FDE initial location + .quad .LFE2-.LFB2 # FDE address range + .byte 0x4 # DW_CFA_advance_loc4 + .long .LCFI0-.LFB2 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 0x10 + .byte 0x83 # DW_CFA_offset, column 0x3 + .uleb128 0x2 + .byte 0x4 # DW_CFA_advance_loc4 + .long .LCFI1-.LCFI0 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 0x8 + .align 8 +.LEFDE4: +#NO_APP +#APP + .section .eh_frame,"aw",@progbits +.Lframe1: + .long .LECIE1-.LSCIE1 # Length of Common Information Entry +.LSCIE1: + .long 0 # CIE Identifier Tag + .byte 0x1 # CIE Version + .ascii "zR\0" # CIE Augmentation + .uleb128 0x1 # CIE Code Alignment Factor + .sleb128 -8 # CIE Data Alignment Factor + .byte 0x10 # CIE RA Column + .uleb128 0x1 # Augmentation size + .byte 0x3 # FDE Encoding (udata4) + .byte 0xc # DW_CFA_def_cfa + .uleb128 0x7 + .uleb128 0x8 + .byte 0x90 # DW_CFA_offset, column 0x10 + .uleb128 0x1 + .align 8 +.LECIE1: +.LSFDE7: + .long .LEFDE7-.LASFDE7 # FDE Length +.LASFDE7: + .long .LASFDE7-.Lframe1 # FDE CIE offset + .long .LFB0 # FDE initial location + .long .LFE0-.LFB0 # FDE address range + .uleb128 0 # Augmentation size + .align 8 +.LEFDE7: +.LSFDE9: + .long .LEFDE9-.LASFDE9 # FDE Length +.LASFDE9: + .long .LASFDE9-.Lframe1 # FDE CIE offset + .long .LFB1 # FDE initial location + .long .LFE1-.LFB1 # FDE address range + .uleb128 0 # Augmentation size + .align 8 +.LEFDE9: +.LSFDE11: + .long .LEFDE11-.LASFDE11 # FDE Length +.LASFDE11: + .long .LASFDE11-.Lframe1 # FDE CIE offset + .long .LFB2 # FDE initial location + .long .LFE2-.LFB2 # FDE address range + .uleb128 0 # Augmentation size + .byte 0x4 # DW_CFA_advance_loc4 + .long .LCFI0-.LFB2 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 0x10 + .byte 0x83 # DW_CFA_offset, column 0x3 + .uleb128 0x2 + .byte 0x4 # DW_CFA_advance_loc4 + .long .LCFI1-.LCFI0 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 0x8 + .align 8 +.LEFDE11: +#NO_APP + .text +.Letext0: + .section .debug_info,"",@progbits +.Ldebug_info0: + .long 0x15a # Length of Compilation Unit Info + .value 0x2 # DWARF version number + .long .Ldebug_abbrev0 # Offset Into Abbrev. Section + .byte 0x8 # Pointer Size (in bytes) + .uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit) + .long .LASF1 # DW_AT_producer: "GNU C 4.7.0 20110511 (experimental)" + .byte 0x1 # DW_AT_language + .long .LASF2 # DW_AT_name: "clztest.c" + .long .LASF3 # DW_AT_comp_dir: "/usr/src/gcc/obj/gcc" + .long .Ldebug_ranges0+0 # DW_AT_ranges + .quad 0 # DW_AT_low_pc + .quad 0 # DW_AT_entry_pc + .long .Ldebug_line0 # DW_AT_stmt_list + .uleb128 0x2 # (DIE (0x31) DW_TAG_subprogram) + .byte 0x1 # DW_AT_external + .ascii "foo\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0x7 # DW_AT_decl_line + .byte 0x1 # DW_AT_prototyped + .long 0x7a # DW_AT_type + .quad .LFB0 # DW_AT_low_pc + .quad .LFE0 # DW_AT_high_pc + .byte 0x2 # DW_AT_frame_base + .byte 0x77 # DW_OP_breg7 + .sleb128 8 + .byte 0x1 # DW_AT_GNU_all_call_sites + .long 0x7a # DW_AT_sibling + .uleb128 0x3 # (DIE (0x56) DW_TAG_formal_parameter) + .ascii "x\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0x7 # DW_AT_decl_line + .long 0x7a # DW_AT_type + .byte 0x1 # DW_AT_location + .byte 0x55 # DW_OP_reg5 + .uleb128 0x4 # (DIE (0x61) DW_TAG_variable) + .ascii "f\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0x9 # DW_AT_decl_line + .long 0x7a # DW_AT_type + .byte 0x1 # DW_AT_location + .byte 0x50 # DW_OP_reg0 + .uleb128 0x5 # (DIE (0x6c) DW_TAG_variable) + .ascii "g\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0xa # DW_AT_decl_line + .long 0x7a # DW_AT_type + .long .LLST0 # DW_AT_location + .byte 0 # end of children of DIE 0x31 + .uleb128 0x6 # (DIE (0x7a) DW_TAG_base_type) + .byte 0x8 # DW_AT_byte_size + .byte 0x5 # DW_AT_encoding + .long .LASF0 # DW_AT_name: "long int" + .uleb128 0x2 # (DIE (0x81) DW_TAG_subprogram) + .byte 0x1 # DW_AT_external + .ascii "bar\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0x11 # DW_AT_decl_line + .byte 0x1 # DW_AT_prototyped + .long 0x7a # DW_AT_type + .quad .LFB1 # DW_AT_low_pc + .quad .LFE1 # DW_AT_high_pc + .byte 0x2 # DW_AT_frame_base + .byte 0x77 # DW_OP_breg7 + .sleb128 8 + .byte 0x1 # DW_AT_GNU_all_call_sites + .long 0xca # DW_AT_sibling + .uleb128 0x3 # (DIE (0xa6) DW_TAG_formal_parameter) + .ascii "x\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0x11 # DW_AT_decl_line + .long 0x7a # DW_AT_type + .byte 0x1 # DW_AT_location + .byte 0x55 # DW_OP_reg5 + .uleb128 0x4 # (DIE (0xb1) DW_TAG_variable) + .ascii "f\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0x13 # DW_AT_decl_line + .long 0x7a # DW_AT_type + .byte 0x1 # DW_AT_location + .byte 0x50 # DW_OP_reg0 + .uleb128 0x5 # (DIE (0xbc) DW_TAG_variable) + .ascii "g\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0x14 # DW_AT_decl_line + .long 0x7a # DW_AT_type + .long .LLST1 # DW_AT_location + .byte 0 # end of children of DIE 0x81 + .uleb128 0x7 # (DIE (0xca) DW_TAG_subprogram) + .byte 0x1 # DW_AT_external + .long .LASF4 # DW_AT_name: "main" + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0x1b # DW_AT_decl_line + .long 0x130 # DW_AT_type + .quad .LFB2 # DW_AT_low_pc + .quad .LFE2 # DW_AT_high_pc + .long .LLST2 # DW_AT_frame_base + .byte 0x1 # DW_AT_GNU_all_call_sites + .long 0x130 # DW_AT_sibling + .uleb128 0x5 # (DIE (0xef) DW_TAG_variable) + .ascii "x\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0x1d # DW_AT_decl_line + .long 0x7a # DW_AT_type + .long .LLST3 # DW_AT_location + .uleb128 0x8 # (DIE (0xfc) DW_TAG_GNU_call_site) + .quad .LVL8 # DW_AT_low_pc + .long 0x31 # DW_AT_abstract_origin + .long 0x117 # DW_AT_sibling + .uleb128 0x9 # (DIE (0x10d) DW_TAG_GNU_call_site_parameter) + .byte 0x1 # DW_AT_location + .byte 0x55 # DW_OP_reg5 + .byte 0x5 # DW_AT_GNU_call_site_value + .byte 0x73 # DW_OP_breg3 + .sleb128 1193046 + .byte 0 # end of children of DIE 0xfc + .uleb128 0xa # (DIE (0x117) DW_TAG_GNU_call_site) + .quad .LVL9 # DW_AT_low_pc + .long 0x81 # DW_AT_abstract_origin + .uleb128 0x9 # (DIE (0x124) DW_TAG_GNU_call_site_parameter) + .byte 0x1 # DW_AT_location + .byte 0x55 # DW_OP_reg5 + .byte 0x6 # DW_AT_GNU_call_site_value + .byte 0x73 # DW_OP_breg3 + .sleb128 2147483647 + .byte 0 # end of children of DIE 0x117 + .byte 0 # end of children of DIE 0xca + .uleb128 0xb # (DIE (0x130) DW_TAG_base_type) + .byte 0x4 # DW_AT_byte_size + .byte 0x5 # DW_AT_encoding + .ascii "int\0" # DW_AT_name + .uleb128 0xc # (DIE (0x137) DW_TAG_variable) + .ascii "vv\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0x4 # DW_AT_decl_line + .long 0x143 # DW_AT_type + .byte 0x1 # DW_AT_external + .byte 0x1 # DW_AT_declaration + .uleb128 0xd # (DIE (0x143) DW_TAG_volatile_type) + .long 0x130 # DW_AT_type + .uleb128 0xe # (DIE (0x148) DW_TAG_variable) + .ascii "vv\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (clztest.c) + .byte 0x4 # DW_AT_decl_line + .long 0x143 # DW_AT_type + .byte 0x1 # DW_AT_external + .byte 0x9 # DW_AT_location + .byte 0x3 # DW_OP_addr + .quad vv + .byte 0 # end of children of DIE 0xb + .section .debug_abbrev,"",@progbits +.Ldebug_abbrev0: + .uleb128 0x1 # (abbrev code) + .uleb128 0x11 # (TAG: DW_TAG_compile_unit) + .byte 0x1 # DW_children_yes + .uleb128 0x25 # (DW_AT_producer) + .uleb128 0xe # (DW_FORM_strp) + .uleb128 0x13 # (DW_AT_language) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3 # (DW_AT_name) + .uleb128 0xe # (DW_FORM_strp) + .uleb128 0x1b # (DW_AT_comp_dir) + .uleb128 0xe # (DW_FORM_strp) + .uleb128 0x55 # (DW_AT_ranges) + .uleb128 0x6 # (DW_FORM_data4) + .uleb128 0x11 # (DW_AT_low_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x52 # (DW_AT_entry_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x10 # (DW_AT_stmt_list) + .uleb128 0x6 # (DW_FORM_data4) + .byte 0 + .byte 0 + .uleb128 0x2 # (abbrev code) + .uleb128 0x2e # (TAG: DW_TAG_subprogram) + .byte 0x1 # DW_children_yes + .uleb128 0x3f # (DW_AT_external) + .uleb128 0xc # (DW_FORM_flag) + .uleb128 0x3 # (DW_AT_name) + .uleb128 0x8 # (DW_FORM_string) + .uleb128 0x3a # (DW_AT_decl_file) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3b # (DW_AT_decl_line) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x27 # (DW_AT_prototyped) + .uleb128 0xc # (DW_FORM_flag) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x11 # (DW_AT_low_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x12 # (DW_AT_high_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x40 # (DW_AT_frame_base) + .uleb128 0xa # (DW_FORM_block1) + .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) + .uleb128 0xc # (DW_FORM_flag) + .uleb128 0x1 # (DW_AT_sibling) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x3 # (abbrev code) + .uleb128 0x5 # (TAG: DW_TAG_formal_parameter) + .byte 0 # DW_children_no + .uleb128 0x3 # (DW_AT_name) + .uleb128 0x8 # (DW_FORM_string) + .uleb128 0x3a # (DW_AT_decl_file) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3b # (DW_AT_decl_line) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x2 # (DW_AT_location) + .uleb128 0xa # (DW_FORM_block1) + .byte 0 + .byte 0 + .uleb128 0x4 # (abbrev code) + .uleb128 0x34 # (TAG: DW_TAG_variable) + .byte 0 # DW_children_no + .uleb128 0x3 # (DW_AT_name) + .uleb128 0x8 # (DW_FORM_string) + .uleb128 0x3a # (DW_AT_decl_file) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3b # (DW_AT_decl_line) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x2 # (DW_AT_location) + .uleb128 0xa # (DW_FORM_block1) + .byte 0 + .byte 0 + .uleb128 0x5 # (abbrev code) + .uleb128 0x34 # (TAG: DW_TAG_variable) + .byte 0 # DW_children_no + .uleb128 0x3 # (DW_AT_name) + .uleb128 0x8 # (DW_FORM_string) + .uleb128 0x3a # (DW_AT_decl_file) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3b # (DW_AT_decl_line) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x2 # (DW_AT_location) + .uleb128 0x6 # (DW_FORM_data4) + .byte 0 + .byte 0 + .uleb128 0x6 # (abbrev code) + .uleb128 0x24 # (TAG: DW_TAG_base_type) + .byte 0 # DW_children_no + .uleb128 0xb # (DW_AT_byte_size) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3e # (DW_AT_encoding) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3 # (DW_AT_name) + .uleb128 0xe # (DW_FORM_strp) + .byte 0 + .byte 0 + .uleb128 0x7 # (abbrev code) + .uleb128 0x2e # (TAG: DW_TAG_subprogram) + .byte 0x1 # DW_children_yes + .uleb128 0x3f # (DW_AT_external) + .uleb128 0xc # (DW_FORM_flag) + .uleb128 0x3 # (DW_AT_name) + .uleb128 0xe # (DW_FORM_strp) + .uleb128 0x3a # (DW_AT_decl_file) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3b # (DW_AT_decl_line) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x11 # (DW_AT_low_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x12 # (DW_AT_high_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x40 # (DW_AT_frame_base) + .uleb128 0x6 # (DW_FORM_data4) + .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) + .uleb128 0xc # (DW_FORM_flag) + .uleb128 0x1 # (DW_AT_sibling) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x8 # (abbrev code) + .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) + .byte 0x1 # DW_children_yes + .uleb128 0x11 # (DW_AT_low_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x31 # (DW_AT_abstract_origin) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x1 # (DW_AT_sibling) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x9 # (abbrev code) + .uleb128 0x410a # (TAG: DW_TAG_GNU_call_site_parameter) + .byte 0 # DW_children_no + .uleb128 0x2 # (DW_AT_location) + .uleb128 0xa # (DW_FORM_block1) + .uleb128 0x2111 # (DW_AT_GNU_call_site_value) + .uleb128 0xa # (DW_FORM_block1) + .byte 0 + .byte 0 + .uleb128 0xa # (abbrev code) + .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) + .byte 0x1 # DW_children_yes + .uleb128 0x11 # (DW_AT_low_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x31 # (DW_AT_abstract_origin) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0xb # (abbrev code) + .uleb128 0x24 # (TAG: DW_TAG_base_type) + .byte 0 # DW_children_no + .uleb128 0xb # (DW_AT_byte_size) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3e # (DW_AT_encoding) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3 # (DW_AT_name) + .uleb128 0x8 # (DW_FORM_string) + .byte 0 + .byte 0 + .uleb128 0xc # (abbrev code) + .uleb128 0x34 # (TAG: DW_TAG_variable) + .byte 0 # DW_children_no + .uleb128 0x3 # (DW_AT_name) + .uleb128 0x8 # (DW_FORM_string) + .uleb128 0x3a # (DW_AT_decl_file) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3b # (DW_AT_decl_line) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x3f # (DW_AT_external) + .uleb128 0xc # (DW_FORM_flag) + .uleb128 0x3c # (DW_AT_declaration) + .uleb128 0xc # (DW_FORM_flag) + .byte 0 + .byte 0 + .uleb128 0xd # (abbrev code) + .uleb128 0x35 # (TAG: DW_TAG_volatile_type) + .byte 0 # DW_children_no + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0xe # (abbrev code) + .uleb128 0x34 # (TAG: DW_TAG_variable) + .byte 0 # DW_children_no + .uleb128 0x3 # (DW_AT_name) + .uleb128 0x8 # (DW_FORM_string) + .uleb128 0x3a # (DW_AT_decl_file) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3b # (DW_AT_decl_line) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x3f # (DW_AT_external) + .uleb128 0xc # (DW_FORM_flag) + .uleb128 0x2 # (DW_AT_location) + .uleb128 0xa # (DW_FORM_block1) + .byte 0 + .byte 0 + .byte 0 + .section .debug_loc,"",@progbits +.Ldebug_loc0: +.LLST0: + .quad .LVL1 # Location list begin address (*.LLST0) + .quad .LVL2 # Location list end address (*.LLST0) + .value 0x1 # Location expression size + .byte 0x50 # DW_OP_reg0 + .quad .LVL2 # Location list begin address (*.LLST0) + .quad .LFE0 # Location list end address (*.LLST0) + .value 0x36 # Location expression size + .byte 0x8 # DW_OP_const1u + .byte 0x3f + .byte 0x75 # DW_OP_breg5 + .sleb128 0 + .byte 0x12 # DW_OP_dup + .byte 0x28 # DW_OP_bra + .value 0x6 + .byte 0x13 # DW_OP_drop + .byte 0x8 # DW_OP_const1u + .byte 0x40 + .byte 0x2f # DW_OP_skip + .value 0x1c + .byte 0x30 # DW_OP_lit0 + .byte 0x16 # DW_OP_swap + .byte 0x12 # DW_OP_dup + .byte 0x10 # DW_OP_constu + .uleb128 0x8000000000000000 + .byte 0x1a # DW_OP_and + .byte 0x28 # DW_OP_bra + .value 0x9 + .byte 0x31 # DW_OP_lit1 + .byte 0x24 # DW_OP_shl + .byte 0x16 # DW_OP_swap + .byte 0x23 # DW_OP_plus_uconst + .uleb128 0x1 + .byte 0x16 # DW_OP_swap + .byte 0x2f # DW_OP_skip + .value 0xffe7 + .byte 0x13 # DW_OP_drop + .byte 0x96 # DW_OP_nop + .byte 0x1c # DW_OP_minus + .byte 0x8 # DW_OP_const1u + .byte 0x3f + .byte 0x27 # DW_OP_xor + .byte 0x8 # DW_OP_const1u + .byte 0x20 + .byte 0x24 # DW_OP_shl + .byte 0x8 # DW_OP_const1u + .byte 0x20 + .byte 0x26 # DW_OP_shra + .byte 0x9f # DW_OP_stack_value + .quad 0 # Location list terminator begin (*.LLST0) + .quad 0 # Location list terminator end (*.LLST0) +.LLST1: + .quad .LVL4 # Location list begin address (*.LLST1) + .quad .LVL5 # Location list end address (*.LLST1) + .value 0x1 # Location expression size + .byte 0x50 # DW_OP_reg0 + .quad .LVL5 # Location list begin address (*.LLST1) + .quad .LFE1 # Location list end address (*.LLST1) + .value 0x36 # Location expression size + .byte 0x8 # DW_OP_const1u + .byte 0x3f + .byte 0x75 # DW_OP_breg5 + .sleb128 0 + .byte 0x12 # DW_OP_dup + .byte 0x28 # DW_OP_bra + .value 0x6 + .byte 0x13 # DW_OP_drop + .byte 0x8 # DW_OP_const1u + .byte 0x40 + .byte 0x2f # DW_OP_skip + .value 0x1c + .byte 0x30 # DW_OP_lit0 + .byte 0x16 # DW_OP_swap + .byte 0x12 # DW_OP_dup + .byte 0x10 # DW_OP_constu + .uleb128 0x8000000000000000 + .byte 0x1a # DW_OP_and + .byte 0x28 # DW_OP_bra + .value 0x9 + .byte 0x31 # DW_OP_lit1 + .byte 0x24 # DW_OP_shl + .byte 0x16 # DW_OP_swap + .byte 0x23 # DW_OP_plus_uconst + .uleb128 0x1 + .byte 0x16 # DW_OP_swap + .byte 0x2f # DW_OP_skip + .value 0xffe7 + .byte 0x13 # DW_OP_drop + .byte 0x96 # DW_OP_nop + .byte 0x1c # DW_OP_minus + .byte 0x8 # DW_OP_const1u + .byte 0x3f + .byte 0x27 # DW_OP_xor + .byte 0x8 # DW_OP_const1u + .byte 0x20 + .byte 0x24 # DW_OP_shl + .byte 0x8 # DW_OP_const1u + .byte 0x20 + .byte 0x26 # DW_OP_shra + .byte 0x9f # DW_OP_stack_value + .quad 0 # Location list terminator begin (*.LLST1) + .quad 0 # Location list terminator end (*.LLST1) +.LLST2: + .quad .LFB2 # Location list begin address (*.LLST2) + .quad .LCFI0 # Location list end address (*.LLST2) + .value 0x2 # Location expression size + .byte 0x77 # DW_OP_breg7 + .sleb128 8 + .quad .LCFI0 # Location list begin address (*.LLST2) + .quad .LCFI1 # Location list end address (*.LLST2) + .value 0x2 # Location expression size + .byte 0x77 # DW_OP_breg7 + .sleb128 16 + .quad .LCFI1 # Location list begin address (*.LLST2) + .quad .LFE2 # Location list end address (*.LLST2) + .value 0x2 # Location expression size + .byte 0x77 # DW_OP_breg7 + .sleb128 8 + .quad 0 # Location list terminator begin (*.LLST2) + .quad 0 # Location list terminator end (*.LLST2) +.LLST3: + .quad .LVL6 # Location list begin address (*.LLST3) + .quad .LVL7 # Location list end address (*.LLST3) + .value 0x9 # Location expression size + .byte 0x73 # DW_OP_breg3 + .sleb128 0 + .byte 0x8 # DW_OP_const1u + .byte 0x20 + .byte 0x24 # DW_OP_shl + .byte 0x8 # DW_OP_const1u + .byte 0x20 + .byte 0x26 # DW_OP_shra + .byte 0x9f # DW_OP_stack_value + .quad .LVL7 # Location list begin address (*.LLST3) + .quad .LVL10 # Location list end address (*.LLST3) + .value 0x1 # Location expression size + .byte 0x53 # DW_OP_reg3 + .quad 0 # Location list terminator begin (*.LLST3) + .quad 0 # Location list terminator end (*.LLST3) + .section .debug_aranges,"",@progbits + .long 0x3c # Length of Address Ranges Info + .value 0x2 # DWARF Version + .long .Ldebug_info0 # Offset of Compilation Unit Info + .byte 0x8 # Size of Address + .byte 0 # Size of Segment Descriptor + .value 0 # Pad to 16 byte boundary + .value 0 + .quad .Ltext0 # Address + .quad .Letext0-.Ltext0 # Length + .quad .LFB2 # Address + .quad .LFE2-.LFB2 # Length + .quad 0 + .quad 0 + .section .debug_ranges,"",@progbits +.Ldebug_ranges0: + .quad .Ltext0 # Offset 0 + .quad .Letext0 + .quad .LFB2 # Offset 0x10 + .quad .LFE2 + .quad 0 + .quad 0 + .section .debug_line,"",@progbits +.Ldebug_line0: + .long .LELT0-.LSLT0 # Length of Source Line Info +.LSLT0: + .value 0x2 # DWARF Version + .long .LELTP0-.LASLTP0 # Prolog Length +.LASLTP0: + .byte 0x1 # Minimum Instruction Length + .byte 0x1 # Default is_stmt_start flag + .byte 0xf6 # Line Base Value (Special Opcodes) + .byte 0xf2 # Line Range Value (Special Opcodes) + .byte 0xd # Special Opcode Base + .byte 0 # opcode: 0x1 has 0 args + .byte 0x1 # opcode: 0x2 has 1 args + .byte 0x1 # opcode: 0x3 has 1 args + .byte 0x1 # opcode: 0x4 has 1 args + .byte 0x1 # opcode: 0x5 has 1 args + .byte 0 # opcode: 0x6 has 0 args + .byte 0 # opcode: 0x7 has 0 args + .byte 0 # opcode: 0x8 has 0 args + .byte 0x1 # opcode: 0x9 has 1 args + .byte 0 # opcode: 0xa has 0 args + .byte 0 # opcode: 0xb has 0 args + .byte 0x1 # opcode: 0xc has 1 args + .byte 0 # End directory table + .ascii "clztest.c\0" # File Entry: 0x1 + .uleb128 0 + .uleb128 0 + .uleb128 0 + .byte 0 # End file name table +.LELTP0: + .byte 0 # set address *.LM11 + .uleb128 0x9 + .byte 0x2 + .quad .LM11 + .byte 0x32 # line 28 + .byte 0 # set address *.LM12 + .uleb128 0x9 + .byte 0x2 + .quad .LM12 + .byte 0x18 # line 29 + .byte 0 # set address *.LM13 + .uleb128 0x9 + .byte 0x2 + .quad .LM13 + .byte 0x18 # line 30 + .byte 0 # set address *.LM14 + .uleb128 0x9 + .byte 0x2 + .quad .LM14 + .byte 0x18 # line 31 + .byte 0 # set address *.LM15 + .uleb128 0x9 + .byte 0x2 + .quad .LM15 + .byte 0x19 # line 33 + .byte 0 # set address *.LFE2 + .uleb128 0x9 + .byte 0x2 + .quad .LFE2 + .byte 0 # end sequence + .uleb128 0x1 + .byte 0x1 + .byte 0 # set address *.LM1 + .uleb128 0x9 + .byte 0x2 + .quad .LM1 + .byte 0x1e # line 8 + .byte 0 # set address *.LM2 + .uleb128 0x9 + .byte 0x2 + .quad .LM2 + .byte 0x18 # line 9 + .byte 0 # set address *.LM3 + .uleb128 0x9 + .byte 0x2 + .quad .LM3 + .byte 0x19 # line 11 + .byte 0 # set address *.LM4 + .uleb128 0x9 + .byte 0x2 + .quad .LM4 + .byte 0x18 # line 12 + .byte 0 # set address *.LM5 + .uleb128 0x9 + .byte 0x2 + .quad .LM5 + .byte 0x19 # line 14 + .byte 0 # set address *.LM6 + .uleb128 0x9 + .byte 0x2 + .quad .LM6 + .byte 0x1b # line 18 + .byte 0 # set address *.LM7 + .uleb128 0x9 + .byte 0x2 + .quad .LM7 + .byte 0x18 # line 19 + .byte 0 # set address *.LM8 + .uleb128 0x9 + .byte 0x2 + .quad .LM8 + .byte 0x19 # line 21 + .byte 0 # set address *.LM9 + .uleb128 0x9 + .byte 0x2 + .quad .LM9 + .byte 0x18 # line 22 + .byte 0 # set address *.LM10 + .uleb128 0x9 + .byte 0x2 + .quad .LM10 + .byte 0x19 # line 24 + .byte 0 # set address *.Letext0 + .uleb128 0x9 + .byte 0x2 + .quad .Letext0 + .byte 0 # end sequence + .uleb128 0x1 + .byte 0x1 +.LELT0: + .section .debug_str,"MS",@progbits,1 +.LASF1: + .string "GNU C 4.7.0 20110511 (experimental)" +.LASF3: + .string "/usr/src/gcc/obj/gcc" +.LASF0: + .string "long int" +.LASF4: + .string "main" +.LASF2: + .string "clztest.c" + .ident "GCC: (GNU) 4.7.0 20110511 (experimental)" + .section .note.GNU-stack,"",@progbits diff --git a/gdb/testsuite/gdb.dwarf2/clztest.c b/gdb/testsuite/gdb.dwarf2/clztest.c new file mode 100644 index 0000000..5fad7ec --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/clztest.c @@ -0,0 +1,33 @@ +/* { dg-do run { target { x86_64-*-* && lp64 } } } */ +/* { dg-options "-g" } */ + +volatile int vv; + +__attribute__((noinline, noclone)) long +foo (long x) +{ + long f = __builtin_clzl (x); + long g = f; + asm volatile ("" : "+r" (f)); + vv++; /* { dg-final { gdb-test 12 "g" "43" } } */ + return f; /* { dg-final { gdb-test 12 "f" "43" } } */ +} + +__attribute__((noinline, noclone)) long +bar (long x) +{ + long f = __builtin_clzl (x); + long g = f; + asm volatile ("" : "+r" (f)); + vv++; /* { dg-final { gdb-test 22 "g" "33" } } */ + return f; /* { dg-final { gdb-test 22 "f" "33" } } */ +} + +int +main () +{ + long x = vv; + foo (x + 0x123456UL); + bar (x + 0x7fffffffUL); + return 0; +} diff --git a/gdb/testsuite/gdb.dwarf2/clztest.exp b/gdb/testsuite/gdb.dwarf2/clztest.exp new file mode 100644 index 0000000..4e8cd69 --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/clztest.exp @@ -0,0 +1,91 @@ +# Copyright 2011 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 dwarf.exp + +set test "clztest" + +# This test can only be run on targets which support DWARF-2 and use gas. +if ![dwarf2_support] { + return 0 +} + +# This test can only be run on x86-64 targets. +if {![istarget x86_64-*] || ![is_lp64_target]} { + return 0 +} + +if { [prepare_for_testing "${test}.exp" "${test}" ${test}.S {nodebug additional_flags=-nostdlib}] } { + return -1 +} + +if ![runto_main] { + return -1 +} + +global tests +set tests(_) - +unset tests(_) + +proc gdb-test {line var value} { + global tests + + lappend tests($line) [list $var $value 0] +} + +proc xfail-gdb-test {line var value} { + global tests + + lappend tests($line) [list $var $value 1] +} + +proc scan_gdb_tests {} { + global srcdir subdir test + + set file "$srcdir/$subdir/$test.c" + + set fd [open "$file"] + while {![eof $fd]} { + set line [gets $fd] + if {! [regexp "\{ (gdb-test .+) \} \}" $line ignore test_cmd]} { + continue + } + + eval $test_cmd + } + close $fd +} + +scan_gdb_tests + +foreach line [lsort [array names tests]] { + gdb_test "break ${test}.c:$line" "Breakpoint .*" \ + "set breakpoint at ${test}.c:$line" + gdb_continue_to_breakpoint "continue to ${test}.c:$line" + + foreach testvec $tests($line) { + set var [lindex $testvec 0] + set value [lindex $testvec 1] + set should_xfail [lindex $testvec 2] + + if {$should_xfail} { + setup_xfail *-*-* + } + + gdb_test "print $var" \ + " = $value" \ + "check value of $var at ${test}.c:$line" + } +} |