| 1,5 → 1,5 |
|---|
| /* dw2gencfi.h - Support for generating Dwarf2 CFI information. |
| Copyright 2003, 2004, 2005, 2007, 2009 Free Software Foundation, Inc. |
| Copyright (C) 2003-2015 Free Software Foundation, Inc. |
| Contributed by Michal Ludvig <mludvig@suse.cz> |
| |
| This file is part of GAS, the GNU Assembler. |
| 36,7 → 36,9 |
|---|
| extern void cfi_new_fde (struct symbol *); |
| extern void cfi_end_fde (struct symbol *); |
| extern void cfi_set_return_column (unsigned); |
| extern void cfi_set_sections (void); |
| extern void cfi_add_advance_loc (struct symbol *); |
| extern void cfi_add_label (const char *); |
| |
| extern void cfi_add_CFA_offset (unsigned, offsetT); |
| extern void cfi_add_CFA_def_cfa (unsigned, offsetT); |
| 57,10 → 59,18 |
|---|
| #define SUPPORT_FRAME_LINKONCE 0 |
| #endif |
| |
| #ifdef tc_cfi_reloc_for_encoding |
| #define SUPPORT_COMPACT_EH 1 |
| #else |
| #define SUPPORT_COMPACT_EH 0 |
| #endif |
| |
| #define MULTIPLE_FRAME_SECTIONS (SUPPORT_FRAME_LINKONCE || SUPPORT_COMPACT_EH) |
| |
| struct cfi_insn_data |
| { |
| struct cfi_insn_data *next; |
| #if SUPPORT_FRAME_LINKONCE |
| #if MULTIPLE_FRAME_SECTIONS |
| segT cur_seg; |
| #endif |
| int insn; |
| 94,13 → 104,40 |
|---|
| unsigned reg, encoding; |
| expressionS exp; |
| } ea; |
| |
| const char *sym_name; |
| } u; |
| }; |
| |
| /* An enumeration describing the Compact EH header format. The least |
| significant bit is used to distinguish the entries. |
| |
| Inline Compact: Function offset [0] |
| Four chars of unwind data. |
| Out-of-line Compact: Function offset [1] |
| Compact unwind data offset [0] |
| Legacy: Function offset [1] |
| Unwind data offset [1] |
| |
| The header type is initialized to EH_COMPACT_UNKNOWN until the |
| format is discovered by encountering a .fde_data entry. |
| Failure to find a .fde_data entry will cause an EH_COMPACT_LEGACY |
| header to be generated. */ |
| |
| enum { |
| EH_COMPACT_UNKNOWN, |
| EH_COMPACT_LEGACY, |
| EH_COMPACT_INLINE, |
| EH_COMPACT_OUTLINE, |
| EH_COMPACT_OUTLINE_DONE, |
| /* Outline if .cfi_inline_lsda used, otherwise legacy FDE. */ |
| EH_COMPACT_HAS_LSDA |
| }; |
| |
| struct fde_entry |
| { |
| struct fde_entry *next; |
| #if SUPPORT_FRAME_LINKONCE |
| #if MULTIPLE_FRAME_SECTIONS |
| segT cur_seg; |
| #endif |
| symbolS *start_address; |
| 109,13 → 146,21 |
|---|
| struct cfi_insn_data **last; |
| unsigned char per_encoding; |
| unsigned char lsda_encoding; |
| int personality_id; |
| expressionS personality; |
| expressionS lsda; |
| unsigned int return_column; |
| unsigned int signal_frame; |
| #if SUPPORT_FRAME_LINKONCE |
| #if MULTIPLE_FRAME_SECTIONS |
| int handled; |
| #endif |
| int eh_header_type; |
| /* Compact unwinding opcodes, not including the PR byte or LSDA. */ |
| int eh_data_size; |
| bfd_byte *eh_data; |
| /* For out of line tables and FDEs. */ |
| symbolS *eh_loc; |
| int sections; |
| }; |
| |
| /* The list of all FDEs that have been collected. */ |
| 128,5 → 173,12 |
|---|
| #define CFI_escape 0x103 |
| #define CFI_signal_frame 0x104 |
| #define CFI_val_encoded_addr 0x105 |
| #define CFI_label 0x106 |
| |
| /* By default emit .eh_frame only, not .debug_frame. */ |
| #define CFI_EMIT_eh_frame (1 << 0) |
| #define CFI_EMIT_debug_frame (1 << 1) |
| #define CFI_EMIT_target (1 << 2) |
| #define CFI_EMIT_eh_frame_compact (1 << 3) |
| |
| #endif /* DW2GENCFI_H */ |