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| author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2011-10-09 19:21:39 +0000 |
|---|---|---|
| committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2011-10-09 19:21:39 +0000 |
| commit | 8e3b41a9061833aa9dc504d68e7446bca4984f16 (patch) | |
| tree | c156fe7efb3ee9ff8c1cad54a4e65e3b650495f5 /gdb/dwarf2expr.h | |
| parent | b6cdc2c1b50937e63d8a9b3a462015912fc3587e (diff) | |
| download | gdb-8e3b41a9061833aa9dc504d68e7446bca4984f16.zip gdb-8e3b41a9061833aa9dc504d68e7446bca4984f16.tar.gz gdb-8e3b41a9061833aa9dc504d68e7446bca4984f16.tar.bz2 | |
gdb/
Implement basic support for DW_TAG_GNU_call_site.
* block.c: Include gdbtypes.h and exceptions.h.
(call_site_for_pc): New function.
* block.h (call_site_for_pc): New declaration.
* defs.h: Include hashtab.h.
(make_cleanup_htab_delete, core_addr_hash, core_addr_eq): New
declarations.
* dwarf2-frame.c (dwarf2_frame_ctx_funcs): Install
ctx_no_push_dwarf_reg_entry_value.
* dwarf2expr.c (read_uleb128, read_sleb128): Support R as NULL.
(dwarf_block_to_dwarf_reg): New function.
(execute_stack_op) <DW_OP_GNU_entry_value>: Implement it.
(ctx_no_push_dwarf_reg_entry_value): New function.
* dwarf2expr.h (struct dwarf_expr_context_funcs): New field
push_dwarf_reg_entry_value.
(ctx_no_push_dwarf_reg_entry_value, dwarf_block_to_dwarf_reg): New
declarations.
* dwarf2loc.c: Include gdbcmd.h.
(dwarf_expr_ctx_funcs): New forward declaration.
(entry_values_debug, show_entry_values_debug, call_site_to_target_addr)
(dwarf_expr_reg_to_entry_parameter)
(dwarf_expr_push_dwarf_reg_entry_value): New.
(dwarf_expr_ctx_funcs): Install dwarf_expr_push_dwarf_reg_entry_value.
(dwarf2_evaluate_loc_desc_full): Handle NO_ENTRY_VALUE_ERROR.
(needs_dwarf_reg_entry_value): New function.
(needs_frame_ctx_funcs): Install it.
(_initialize_dwarf2loc): New function.
* dwarf2loc.h (entry_values_debug): New declaration.
* dwarf2read.c (struct dwarf2_cu): New field call_site_htab.
(read_call_site_scope): New forward declaration.
(process_full_comp_unit): Copy call_site_htab.
(process_die): Support DW_TAG_GNU_call_site.
(read_call_site_scope): New function.
(dwarf2_get_pc_bounds): Support NULL HIGHPC.
(dwarf_tag_name): Support DW_TAG_GNU_call_site.
(cleanup_htab): Delete.
(write_psymtabs_to_index): Use make_cleanup_htab_delete instead of it.
* exceptions.h (enum errors): New NO_ENTRY_VALUE_ERROR.
* gdb-gdb.py (StructMainTypePrettyPrinter): Support
FIELD_LOC_KIND_DWARF_BLOCK.
* gdbtypes.h (enum field_loc_kind): New entry
FIELD_LOC_KIND_DWARF_BLOCK.
(struct main_type): New loc entry dwarf_block.
(struct call_site, FIELD_DWARF_BLOCK, SET_FIELD_DWARF_BLOCK)
(TYPE_FIELD_DWARF_BLOCK): New.
* python/py-type.c: Include dwarf2loc.h.
(check_types_equal): Support FIELD_LOC_KIND_DWARF_BLOCK. New
internal_error call on unknown FIELD_LOC_KIND.
* symtab.h (struct symtab): New field call_site_htab.
* utils.c (do_htab_delete_cleanup, make_cleanup_htab_delete)
(core_addr_hash, core_addr_eq): New functions.
gdb/testsuite/
Implement basic support for DW_TAG_GNU_call_site.
* gdb.arch/Makefile.in (EXECUTABLES): Add amd64-entry-value.
* gdb.arch/amd64-entry-value.cc: New file.
* gdb.arch/amd64-entry-value.exp: New file.
Diffstat (limited to 'gdb/dwarf2expr.h')
| -rw-r--r-- | gdb/dwarf2expr.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gdb/dwarf2expr.h b/gdb/dwarf2expr.h index 9bd7268..8518f37 100644 --- a/gdb/dwarf2expr.h +++ b/gdb/dwarf2expr.h @@ -62,6 +62,15 @@ struct dwarf_expr_context_funcs meaningful to substitute a stub type of the correct size. */ struct type *(*get_base_type) (struct dwarf_expr_context *ctx, size_t die); + /* Push on DWARF stack an entry evaluated for DW_TAG_GNU_call_site's + DWARF_REG/FB_OFFSET at the caller of specified BATON. If DWARF register + number DWARF_REG specifying the push_dwarf_reg_entry_value parameter is + not -1 FB_OFFSET is ignored. Otherwise FB_OFFSET specifies stack + parameter offset against caller's stack pointer (which equals the callee's + frame base). */ + void (*push_dwarf_reg_entry_value) (struct dwarf_expr_context *ctx, + int dwarf_reg, CORE_ADDR fb_offset); + #if 0 /* Not yet implemented. */ @@ -267,5 +276,9 @@ CORE_ADDR ctx_no_get_frame_pc (void *baton); CORE_ADDR ctx_no_get_tls_address (void *baton, CORE_ADDR offset); void ctx_no_dwarf_call (struct dwarf_expr_context *ctx, size_t die_offset); struct type *ctx_no_get_base_type (struct dwarf_expr_context *ctx, size_t die); +void ctx_no_push_dwarf_reg_entry_value (struct dwarf_expr_context *ctx, + int dwarf_reg, CORE_ADDR fb_offset); + +int dwarf_block_to_dwarf_reg (const gdb_byte *buf, const gdb_byte *buf_end); #endif /* dwarf2expr.h */ |