diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 12 | ||||
| -rw-r--r-- | gdb/dwarf2expr.c | 14 | ||||
| -rw-r--r-- | gdb/dwarf2loc.c | 5 | ||||
| -rw-r--r-- | gdb/dwarf2read.c | 20 | ||||
| -rw-r--r-- | gdb/gdbtypes.h | 10 | ||||
| -rw-r--r-- | gdb/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.arch/amd64-entry-value-param.S | 611 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.arch/amd64-entry-value-param.c | 40 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.arch/amd64-entry-value-param.exp | 51 |
9 files changed, 764 insertions, 5 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index eb4bfb9..19d1e13 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,17 @@ 2012-06-17 Jan Kratochvil <jan.kratochvil@redhat.com> + * dwarf2expr.c (execute_stack_op): Support DW_OP_GNU_parameter_ref. + * dwarf2loc.c (call_site_parameter_matches): Support + CALL_SITE_PARAMETER_PARAM_OFFSET. + (needs_dwarf_reg_entry_value): Push stub value. + * dwarf2read.c (read_call_site_scope): New variable origin. Support + CALL_SITE_PARAMETER_PARAM_OFFSET and its DW_AT_abstract_origin. + * gdbtypes.h (enum call_site_parameter_kind): New item + CALL_SITE_PARAMETER_PARAM_OFFSET. + (struct call_site.parameter.u): New field param_offset. + +2012-06-17 Jan Kratochvil <jan.kratochvil@redhat.com> + Code cleanup: Generalize call_site.parameter key. * dwarf2expr.c (execute_stack_op) <DW_OP_GNU_entry_value>: Remove variable dwarf_reg. New variable kind_u. Update parameters to diff --git a/gdb/dwarf2expr.c b/gdb/dwarf2expr.c index 117d5ba..40ce608 100644 --- a/gdb/dwarf2expr.c +++ b/gdb/dwarf2expr.c @@ -1392,6 +1392,20 @@ execute_stack_op (struct dwarf_expr_context *ctx, "or for DW_OP_breg*(0)+DW_OP_deref*")); } + case DW_OP_GNU_parameter_ref: + { + union call_site_parameter_u kind_u; + + kind_u.param_offset.cu_off = extract_unsigned_integer (op_ptr, 4, + byte_order); + op_ptr += 4; + ctx->funcs->push_dwarf_reg_entry_value (ctx, + CALL_SITE_PARAMETER_PARAM_OFFSET, + kind_u, + -1 /* deref_size */); + } + goto no_push; + case DW_OP_GNU_const_type: { cu_offset type_die; diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c index 5f63bd7..54dc5ad 100644 --- a/gdb/dwarf2loc.c +++ b/gdb/dwarf2loc.c @@ -962,6 +962,8 @@ call_site_parameter_matches (struct call_site_parameter *parameter, return kind_u.dwarf_reg == parameter->u.dwarf_reg; case CALL_SITE_PARAMETER_FB_OFFSET: return kind_u.fb_offset == parameter->u.fb_offset; + case CALL_SITE_PARAMETER_PARAM_OFFSET: + return kind_u.param_offset.cu_off == parameter->u.param_offset.cu_off; } return 0; } @@ -2397,6 +2399,9 @@ needs_dwarf_reg_entry_value (struct dwarf_expr_context *ctx, struct needs_frame_baton *nf_baton = ctx->baton; nf_baton->needs_frame = 1; + + /* The expression may require some stub values on DWARF stack. */ + dwarf_expr_push_address (ctx, 0, 0); } /* DW_OP_GNU_addr_index doesn't require a frame. */ diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index 0577420..7ac125a 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -7812,7 +7812,7 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu) child_die = sibling_die (child_die)) { struct call_site_parameter *parameter; - struct attribute *loc; + struct attribute *loc, *origin; if (child_die->tag != DW_TAG_GNU_call_site_parameter) { @@ -7823,11 +7823,23 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu) gdb_assert (call_site->parameter_count < nparams); parameter = &call_site->parameter[call_site->parameter_count]; - /* DW_AT_location specifies the register number. Value of the data - assumed for the register is contained in DW_AT_GNU_call_site_value. */ + /* DW_AT_location specifies the register number or DW_AT_abstract_origin + specifies DW_TAG_formal_parameter. Value of the data assumed for the + register is contained in DW_AT_GNU_call_site_value. */ loc = dwarf2_attr (child_die, DW_AT_location, cu); - if (loc == NULL || !attr_form_is_block (loc)) + origin = dwarf2_attr (child_die, DW_AT_abstract_origin, cu); + if (loc == NULL && origin != NULL && is_ref_attr (origin)) + { + sect_offset offset; + + parameter->kind = CALL_SITE_PARAMETER_PARAM_OFFSET; + offset = dwarf2_get_ref_die_offset (origin); + gdb_assert (offset.sect_off >= cu->header.offset.sect_off); + parameter->u.param_offset.cu_off = (offset.sect_off + - cu->header.offset.sect_off); + } + else if (loc == NULL || origin != NULL || !attr_form_is_block (loc)) { complaint (&symfile_complaints, _("No DW_FORM_block* DW_AT_location for " diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h index e0dd669..cf7d398 100644 --- a/gdb/gdbtypes.h +++ b/gdb/gdbtypes.h @@ -924,7 +924,10 @@ enum call_site_parameter_kind CALL_SITE_PARAMETER_DWARF_REG, /* Use field call_site_parameter.u.fb_offset. */ - CALL_SITE_PARAMETER_FB_OFFSET + CALL_SITE_PARAMETER_FB_OFFSET, + + /* Use field call_site_parameter.u.param_offset. */ + CALL_SITE_PARAMETER_PARAM_OFFSET }; /* A place where a function gets called from, represented by @@ -971,6 +974,11 @@ struct call_site /* Offset from the callee's frame base, for stack passed parameters. This equals offset from the caller's stack pointer. */ CORE_ADDR fb_offset; + + /* Offset relative to the start of this PER_CU to + DW_TAG_formal_parameter which is referenced by both caller and + the callee. */ + cu_offset param_offset; } u; diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 613dc65..2b55c3e 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2012-06-17 Jan Kratochvil <jan.kratochvil@redhat.com> + + * gdb.arch/amd64-entry-value-param.S: New file. + * gdb.arch/amd64-entry-value-param.c: New file. + * gdb.arch/amd64-entry-value-param.exp: New file. + 2012-06-15 Tom Tromey <tromey@redhat.com> * gdb.cp/namespace.exp: Add "show lang" test. diff --git a/gdb/testsuite/gdb.arch/amd64-entry-value-param.S b/gdb/testsuite/gdb.arch/amd64-entry-value-param.S new file mode 100644 index 0000000..117d651 --- /dev/null +++ b/gdb/testsuite/gdb.arch/amd64-entry-value-param.S @@ -0,0 +1,611 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2012 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 file is compiled from gdb.arch/amd64-entry-value-param.c + using -g -dA -S -O2. */ + + .file "amd64-entry-value-param.c" + .text +.Ltext0: + .p2align 4,,15 + .type foo.isra.0.constprop.2, @function +foo.isra.0.constprop.2: +.LFB4: + .file 1 "gdb.arch/amd64-entry-value-param.c" + /* gdb.arch/amd64-entry-value-param.c:21 */ + .loc 1 21 0 + .cfi_startproc +.LVL0: +/* BLOCK 2 freq:10000 seq:0 */ +/* PRED: ENTRY [100.0%] (fallthru) */ + /* gdb.arch/amd64-entry-value-param.c:26 */ + .loc 1 26 0 + movl vv(%rip), %eax + addl $1, %eax + movl %eax, vv(%rip) + /* gdb.arch/amd64-entry-value-param.c:27 */ + .loc 1 27 0 + leal 3(%rdi), %eax +/* SUCC: EXIT [100.0%] */ + /* gdb.arch/amd64-entry-value-param.c:28 */ + .loc 1 28 0 + ret + .cfi_endproc +.LFE4: + .size foo.isra.0.constprop.2, .-foo.isra.0.constprop.2 + .p2align 4,,15 + .type bar.constprop.1, @function +bar.constprop.1: +.LFB5: + /* gdb.arch/amd64-entry-value-param.c:31 */ + .loc 1 31 0 + .cfi_startproc +/* BLOCK 2 freq:10000 seq:0 */ +/* PRED: ENTRY [100.0%] (fallthru) */ +.LVL1: + pushq %rbx +.LCFI0: + .cfi_def_cfa_offset 16 + .cfi_offset 3, -16 + /* gdb.arch/amd64-entry-value-param.c:33 */ + .loc 1 33 0 + movl $10, %edi + call foo.isra.0.constprop.2 +.LVL2: + movl $10, %edi + movl %eax, %ebx + call foo.isra.0.constprop.2 +.LVL3: + movl $16, %edi + addl %eax, %ebx + call foo.isra.0.constprop.2 +.LVL4: + leal 10(%rbx,%rax), %eax + /* gdb.arch/amd64-entry-value-param.c:34 */ + .loc 1 34 0 + popq %rbx +.LCFI1: + .cfi_def_cfa_offset 8 +/* SUCC: EXIT [100.0%] */ + ret + .cfi_endproc +.LFE5: + .size bar.constprop.1, .-bar.constprop.1 + .section .text.startup,"ax",@progbits + .p2align 4,,15 + .globl main + .type main, @function +main: +.LFB2: + /* gdb.arch/amd64-entry-value-param.c:38 */ + .loc 1 38 0 + .cfi_startproc +/* BLOCK 2 freq:10000 seq:0 */ +/* PRED: ENTRY [100.0%] (fallthru) */ + /* gdb.arch/amd64-entry-value-param.c:39 */ + .loc 1 39 0 + jmp bar.constprop.1 +/* SUCC: EXIT [100.0%] (ab,sibcall) */ +.LVL5: + .cfi_endproc +.LFE2: + .size main, .-main + .comm vv,4,4 + .text +.Letext0: + .section .debug_info,"",@progbits +.Ldebug_info0: + .4byte 0x1b7 /* Length of Compilation Unit Info */ + .2byte 0x2 /* DWARF version number */ + .4byte .Ldebug_abbrev0 /* Offset Into Abbrev. Section */ + .byte 0x8 /* Pointer Size (in bytes) */ + .uleb128 0x1 /* (DIE (0xb) DW_TAG_compile_unit) */ + .4byte .LASF0 /* DW_AT_producer: "GNU C 4.7.1 20120612 (prerelease)" */ + .byte 0x1 /* DW_AT_language */ + .4byte .LASF1 /* DW_AT_name: "gdb.arch/amd64-entry-value-param.c" */ + .4byte .LASF2 /* DW_AT_comp_dir: "" */ + .4byte .Ldebug_ranges0+0 /* DW_AT_ranges */ + .quad 0 /* DW_AT_low_pc */ + .quad 0 /* DW_AT_entry_pc */ + .4byte .Ldebug_line0 /* DW_AT_stmt_list */ + .uleb128 0x2 /* (DIE (0x31) DW_TAG_subprogram) */ + .ascii "foo\0" /* DW_AT_name */ + .byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param.c) */ + .byte 0x15 /* DW_AT_decl_line */ + .byte 0x1 /* DW_AT_prototyped */ + .4byte 0x79 /* DW_AT_type */ + .byte 0 /* DW_AT_inline */ + .4byte 0x79 /* DW_AT_sibling */ + .uleb128 0x3 /* (DIE (0x42) DW_TAG_formal_parameter) */ + .ascii "x\0" /* DW_AT_name */ + .byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param.c) */ + .byte 0x15 /* DW_AT_decl_line */ + .4byte 0x79 /* DW_AT_type */ + .uleb128 0x3 /* (DIE (0x4b) DW_TAG_formal_parameter) */ + .ascii "y\0" /* DW_AT_name */ + .byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param.c) */ + .byte 0x15 /* DW_AT_decl_line */ + .4byte 0x79 /* DW_AT_type */ + .uleb128 0x3 /* (DIE (0x54) DW_TAG_formal_parameter) */ + .ascii "z\0" /* DW_AT_name */ + .byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param.c) */ + .byte 0x15 /* DW_AT_decl_line */ + .4byte 0x79 /* DW_AT_type */ + .uleb128 0x4 /* (DIE (0x5d) DW_TAG_variable) */ + .ascii "a\0" /* DW_AT_name */ + .byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param.c) */ + .byte 0x17 /* DW_AT_decl_line */ + .4byte 0x79 /* DW_AT_type */ + .uleb128 0x4 /* (DIE (0x66) DW_TAG_variable) */ + .ascii "b\0" /* DW_AT_name */ + .byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param.c) */ + .byte 0x18 /* DW_AT_decl_line */ + .4byte 0x79 /* DW_AT_type */ + .uleb128 0x4 /* (DIE (0x6f) DW_TAG_variable) */ + .ascii "c\0" /* DW_AT_name */ + .byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param.c) */ + .byte 0x19 /* DW_AT_decl_line */ + .4byte 0x79 /* DW_AT_type */ + .byte 0 /* end of children of DIE 0x31 */ + .uleb128 0x5 /* (DIE (0x79) DW_TAG_base_type) */ + .byte 0x4 /* DW_AT_byte_size */ + .byte 0x5 /* DW_AT_encoding */ + .ascii "int\0" /* DW_AT_name */ + .uleb128 0x2 /* (DIE (0x80) DW_TAG_subprogram) */ + .ascii "bar\0" /* DW_AT_name */ + .byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param.c) */ + .byte 0x1f /* DW_AT_decl_line */ + .byte 0x1 /* DW_AT_prototyped */ + .4byte 0x79 /* DW_AT_type */ + .byte 0x1 /* DW_AT_inline */ + .4byte 0x9b /* DW_AT_sibling */ + .uleb128 0x3 /* (DIE (0x91) DW_TAG_formal_parameter) */ + .ascii "x\0" /* DW_AT_name */ + .byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param.c) */ + .byte 0x1f /* DW_AT_decl_line */ + .4byte 0x79 /* DW_AT_type */ + .byte 0 /* end of children of DIE 0x80 */ + .uleb128 0x6 /* (DIE (0x9b) DW_TAG_subprogram) */ + .4byte 0x31 /* DW_AT_abstract_origin */ + .quad .LFB4 /* DW_AT_low_pc */ + .quad .LFE4 /* 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 */ + .4byte 0xf1 /* DW_AT_sibling */ + .uleb128 0x7 /* (DIE (0xb8) DW_TAG_formal_parameter) */ + .4byte 0x42 /* DW_AT_abstract_origin */ + .byte 0x1 /* DW_AT_location */ + .byte 0x55 /* DW_OP_reg5 */ + .uleb128 0x7 /* (DIE (0xbf) DW_TAG_formal_parameter) */ + .4byte 0x4b /* DW_AT_abstract_origin */ + .byte 0x6 /* DW_AT_location */ + .byte 0xfa /* DW_OP_GNU_parameter_ref */ + .4byte 0x4b + .byte 0x9f /* DW_OP_stack_value */ + .uleb128 0x8 /* (DIE (0xcb) DW_TAG_variable) */ + .4byte 0x5d /* DW_AT_abstract_origin */ + .byte 0x5 /* DW_AT_location */ + .byte 0x75 /* DW_OP_breg5 */ + .sleb128 0 + .byte 0x31 /* DW_OP_lit1 */ + .byte 0x24 /* DW_OP_shl */ + .byte 0x9f /* DW_OP_stack_value */ + .uleb128 0x8 /* (DIE (0xd6) DW_TAG_variable) */ + .4byte 0x66 /* DW_AT_abstract_origin */ + .byte 0x8 /* DW_AT_location */ + .byte 0xfa /* DW_OP_GNU_parameter_ref */ + .4byte 0x4b + .byte 0x31 /* DW_OP_lit1 */ + .byte 0x24 /* DW_OP_shl */ + .byte 0x9f /* DW_OP_stack_value */ + .uleb128 0x9 /* (DIE (0xe4) DW_TAG_variable) */ + .4byte 0x6f /* DW_AT_abstract_origin */ + .byte 0x6 /* DW_AT_const_value */ + .uleb128 0xa /* (DIE (0xea) DW_TAG_formal_parameter) */ + .4byte 0x54 /* DW_AT_abstract_origin */ + .byte 0x3 /* DW_AT_const_value */ + .byte 0 /* end of children of DIE 0x9b */ + .uleb128 0xb /* (DIE (0xf1) DW_TAG_subprogram) */ + .4byte 0x80 /* DW_AT_abstract_origin */ + .quad .LFB5 /* DW_AT_low_pc */ + .quad .LFE5 /* DW_AT_high_pc */ + .4byte .LLST0 /* DW_AT_frame_base */ + .byte 0x1 /* DW_AT_GNU_all_call_sites */ + .4byte 0x16c /* DW_AT_sibling */ + .uleb128 0xa /* (DIE (0x10f) DW_TAG_formal_parameter) */ + .4byte 0x91 /* DW_AT_abstract_origin */ + .byte 0xa /* DW_AT_const_value */ + .uleb128 0xc /* (DIE (0x115) DW_TAG_GNU_call_site) */ + .quad .LVL2 /* DW_AT_low_pc */ + .4byte 0x9b /* DW_AT_abstract_origin */ + .4byte 0x133 /* DW_AT_sibling */ + .uleb128 0xd /* (DIE (0x126) DW_TAG_GNU_call_site_parameter) */ + .byte 0x1 /* DW_AT_location */ + .byte 0x55 /* DW_OP_reg5 */ + .byte 0x1 /* DW_AT_GNU_call_site_value */ + .byte 0x3a /* DW_OP_lit10 */ + .uleb128 0xe /* (DIE (0x12b) DW_TAG_GNU_call_site_parameter) */ + .4byte 0x4b /* DW_AT_abstract_origin */ + .byte 0x1 /* DW_AT_GNU_call_site_value */ + .byte 0x32 /* DW_OP_lit2 */ + .byte 0 /* end of children of DIE 0x115 */ + .uleb128 0xc /* (DIE (0x133) DW_TAG_GNU_call_site) */ + .quad .LVL3 /* DW_AT_low_pc */ + .4byte 0x9b /* DW_AT_abstract_origin */ + .4byte 0x151 /* DW_AT_sibling */ + .uleb128 0xd /* (DIE (0x144) DW_TAG_GNU_call_site_parameter) */ + .byte 0x1 /* DW_AT_location */ + .byte 0x55 /* DW_OP_reg5 */ + .byte 0x1 /* DW_AT_GNU_call_site_value */ + .byte 0x3a /* DW_OP_lit10 */ + .uleb128 0xe /* (DIE (0x149) DW_TAG_GNU_call_site_parameter) */ + .4byte 0x4b /* DW_AT_abstract_origin */ + .byte 0x1 /* DW_AT_GNU_call_site_value */ + .byte 0x34 /* DW_OP_lit4 */ + .byte 0 /* end of children of DIE 0x133 */ + .uleb128 0xf /* (DIE (0x151) DW_TAG_GNU_call_site) */ + .quad .LVL4 /* DW_AT_low_pc */ + .4byte 0x9b /* DW_AT_abstract_origin */ + .uleb128 0xd /* (DIE (0x15e) DW_TAG_GNU_call_site_parameter) */ + .byte 0x1 /* DW_AT_location */ + .byte 0x55 /* DW_OP_reg5 */ + .byte 0x1 /* DW_AT_GNU_call_site_value */ + .byte 0x40 /* DW_OP_lit16 */ + .uleb128 0xe /* (DIE (0x163) DW_TAG_GNU_call_site_parameter) */ + .4byte 0x4b /* DW_AT_abstract_origin */ + .byte 0x1 /* DW_AT_GNU_call_site_value */ + .byte 0x3a /* DW_OP_lit10 */ + .byte 0 /* end of children of DIE 0x151 */ + .byte 0 /* end of children of DIE 0xf1 */ + .uleb128 0x10 /* (DIE (0x16c) DW_TAG_subprogram) */ + .byte 0x1 /* DW_AT_external */ + .4byte .LASF3 /* DW_AT_name: "main" */ + .byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param.c) */ + .byte 0x25 /* DW_AT_decl_line */ + .byte 0x1 /* DW_AT_prototyped */ + .4byte 0x79 /* DW_AT_type */ + .quad .LFB2 /* DW_AT_low_pc */ + .quad .LFE2 /* 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 */ + .4byte 0x1a0 /* DW_AT_sibling */ + .uleb128 0x11 /* (DIE (0x191) DW_TAG_GNU_call_site) */ + .quad .LVL5 /* DW_AT_low_pc */ + .byte 0x1 /* DW_AT_GNU_tail_call */ + .4byte 0xf1 /* DW_AT_abstract_origin */ + .byte 0 /* end of children of DIE 0x16c */ + .uleb128 0x12 /* (DIE (0x1a0) DW_TAG_variable) */ + .ascii "vv\0" /* DW_AT_name */ + .byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param.c) */ + .byte 0x12 /* DW_AT_decl_line */ + .4byte 0x1b5 /* DW_AT_type */ + .byte 0x1 /* DW_AT_external */ + .byte 0x9 /* DW_AT_location */ + .byte 0x3 /* DW_OP_addr */ + .quad vv + .uleb128 0x13 /* (DIE (0x1b5) DW_TAG_volatile_type) */ + .4byte 0x79 /* DW_AT_type */ + .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 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 0x20 /* (DW_AT_inline) */ + .uleb128 0xb /* (DW_FORM_data1) */ + .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) */ + .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) */ + .byte 0 + .byte 0 + .uleb128 0x5 /* (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 0x6 /* (abbrev code) */ + .uleb128 0x2e /* (TAG: DW_TAG_subprogram) */ + .byte 0x1 /* DW_children_yes */ + .uleb128 0x31 /* (DW_AT_abstract_origin) */ + .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 0x7 /* (abbrev code) */ + .uleb128 0x5 /* (TAG: DW_TAG_formal_parameter) */ + .byte 0 /* DW_children_no */ + .uleb128 0x31 /* (DW_AT_abstract_origin) */ + .uleb128 0x13 /* (DW_FORM_ref4) */ + .uleb128 0x2 /* (DW_AT_location) */ + .uleb128 0xa /* (DW_FORM_block1) */ + .byte 0 + .byte 0 + .uleb128 0x8 /* (abbrev code) */ + .uleb128 0x34 /* (TAG: DW_TAG_variable) */ + .byte 0 /* DW_children_no */ + .uleb128 0x31 /* (DW_AT_abstract_origin) */ + .uleb128 0x13 /* (DW_FORM_ref4) */ + .uleb128 0x2 /* (DW_AT_location) */ + .uleb128 0xa /* (DW_FORM_block1) */ + .byte 0 + .byte 0 + .uleb128 0x9 /* (abbrev code) */ + .uleb128 0x34 /* (TAG: DW_TAG_variable) */ + .byte 0 /* DW_children_no */ + .uleb128 0x31 /* (DW_AT_abstract_origin) */ + .uleb128 0x13 /* (DW_FORM_ref4) */ + .uleb128 0x1c /* (DW_AT_const_value) */ + .uleb128 0xb /* (DW_FORM_data1) */ + .byte 0 + .byte 0 + .uleb128 0xa /* (abbrev code) */ + .uleb128 0x5 /* (TAG: DW_TAG_formal_parameter) */ + .byte 0 /* DW_children_no */ + .uleb128 0x31 /* (DW_AT_abstract_origin) */ + .uleb128 0x13 /* (DW_FORM_ref4) */ + .uleb128 0x1c /* (DW_AT_const_value) */ + .uleb128 0xb /* (DW_FORM_data1) */ + .byte 0 + .byte 0 + .uleb128 0xb /* (abbrev code) */ + .uleb128 0x2e /* (TAG: DW_TAG_subprogram) */ + .byte 0x1 /* DW_children_yes */ + .uleb128 0x31 /* (DW_AT_abstract_origin) */ + .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 0xc /* (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 0xd /* (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 0xe /* (abbrev code) */ + .uleb128 0x410a /* (TAG: DW_TAG_GNU_call_site_parameter) */ + .byte 0 /* DW_children_no */ + .uleb128 0x31 /* (DW_AT_abstract_origin) */ + .uleb128 0x13 /* (DW_FORM_ref4) */ + .uleb128 0x2111 /* (DW_AT_GNU_call_site_value) */ + .uleb128 0xa /* (DW_FORM_block1) */ + .byte 0 + .byte 0 + .uleb128 0xf /* (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 0x10 /* (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 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 0x11 /* (abbrev code) */ + .uleb128 0x4109 /* (TAG: DW_TAG_GNU_call_site) */ + .byte 0 /* DW_children_no */ + .uleb128 0x11 /* (DW_AT_low_pc) */ + .uleb128 0x1 /* (DW_FORM_addr) */ + .uleb128 0x2115 /* (DW_AT_GNU_tail_call) */ + .uleb128 0xc /* (DW_FORM_flag) */ + .uleb128 0x31 /* (DW_AT_abstract_origin) */ + .uleb128 0x13 /* (DW_FORM_ref4) */ + .byte 0 + .byte 0 + .uleb128 0x12 /* (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 + .uleb128 0x13 /* (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 + .byte 0 + .section .debug_loc,"",@progbits +.Ldebug_loc0: +.LLST0: + .quad .LFB5 /* Location list begin address (*.LLST0) */ + .quad .LCFI0 /* Location list end address (*.LLST0) */ + .2byte 0x2 /* Location expression size */ + .byte 0x77 /* DW_OP_breg7 */ + .sleb128 8 + .quad .LCFI0 /* Location list begin address (*.LLST0) */ + .quad .LCFI1 /* Location list end address (*.LLST0) */ + .2byte 0x2 /* Location expression size */ + .byte 0x77 /* DW_OP_breg7 */ + .sleb128 16 + .quad .LCFI1 /* Location list begin address (*.LLST0) */ + .quad .LFE5 /* Location list end address (*.LLST0) */ + .2byte 0x2 /* Location expression size */ + .byte 0x77 /* DW_OP_breg7 */ + .sleb128 8 + .quad 0 /* Location list terminator begin (*.LLST0) */ + .quad 0 /* Location list terminator end (*.LLST0) */ + .section .debug_aranges,"",@progbits + .4byte 0x3c /* Length of Address Ranges Info */ + .2byte 0x2 /* DWARF Version */ + .4byte .Ldebug_info0 /* Offset of Compilation Unit Info */ + .byte 0x8 /* Size of Address */ + .byte 0 /* Size of Segment Descriptor */ + .2byte 0 /* Pad to 16 byte boundary */ + .2byte 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: + .section .debug_str,"MS",@progbits,1 +.LASF1: + .string "gdb.arch/amd64-entry-value-param.c" +.LASF3: + .string "main" +.LASF2: + .string "" +.LASF0: + .string "GNU C 4.7.1 20120612 (prerelease)" + .ident "GCC: (GNU) 4.7.1 20120612 (prerelease)" + .section .note.GNU-stack,"",@progbits diff --git a/gdb/testsuite/gdb.arch/amd64-entry-value-param.c b/gdb/testsuite/gdb.arch/amd64-entry-value-param.c new file mode 100644 index 0000000..a7a0a3f --- /dev/null +++ b/gdb/testsuite/gdb.arch/amd64-entry-value-param.c @@ -0,0 +1,40 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2012 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/>. */ + +volatile int vv; + +static __attribute__((noinline)) int +foo (int x, int y, int z) +{ + int a = x * 2; + int b = y * 2; + int c = z * 2; + vv++; /* break-here */ + return x + z; +} + +static __attribute__((noinline)) int +bar (int x) +{ + return foo (x, 2, 3) + foo (x, 4, 3) + foo (x + 6, x, 3) + x; +} + +int +main (void) +{ + return bar (10); +} diff --git a/gdb/testsuite/gdb.arch/amd64-entry-value-param.exp b/gdb/testsuite/gdb.arch/amd64-entry-value-param.exp new file mode 100644 index 0000000..9d80dc6 --- /dev/null +++ b/gdb/testsuite/gdb.arch/amd64-entry-value-param.exp @@ -0,0 +1,51 @@ +# Copyright (C) 2012 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/>. + +set testfile amd64-entry-value-param +set srcfile ${testfile}.S +set csrcfile ${testfile}.c +set opts {} + +if [info exists COMPILE] { + # make check RUNTESTFLAGS="gdb.arch/amd64-entry-value-param.exp COMPILE=1" + set srcfile ${csrcfile} + lappend opts debug optimize=-O2 +} elseif { ![istarget x86_64-*-* ] || ![is_lp64_target] } { + verbose "Skipping amd64-entry-value-param." + return +} + +if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} $opts] } { + return -1 +} + +if ![runto_main] { + return -1 +} + +set srcfile $csrcfile +gdb_breakpoint [gdb_get_line_number "break-here"] + +gdb_continue_to_breakpoint "break-here" ".* break-here .*" +gdb_test "p y" " = 2" +gdb_test "p b" " = 4" + +gdb_continue_to_breakpoint "break-here" ".* break-here .*" +gdb_test "p y" " = 4" +gdb_test "p b" " = 8" + +gdb_continue_to_breakpoint "break-here" ".* break-here .*" +gdb_test "p y" " = 10" +gdb_test "p b" " = 20" |