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| author | Geoff Keating <geoffk@cygnus.com> | 2000-02-09 01:57:21 +0000 |
|---|---|---|
| committer | Geoffrey Keating <geoffk@gcc.gnu.org> | 2000-02-09 01:57:21 +0000 |
| commit | 3f388b42b08a542ab952cfa494b059a2f6aa23a4 (patch) | |
| tree | 11e7f697d85ef54dbc47591bc4f45867fc164631 | |
| parent | 5568fb48cc080bfcf8164b60e90f489130b0ea2e (diff) | |
| download | gcc-3f388b42b08a542ab952cfa494b059a2f6aa23a4.zip gcc-3f388b42b08a542ab952cfa494b059a2f6aa23a4.tar.gz gcc-3f388b42b08a542ab952cfa494b059a2f6aa23a4.tar.bz2 | |
dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
* dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
* dwarf2out.c (dwarf_cfi_name): Print name of new constant.
(reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
(output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
* frame.c (execute_cfa_insn): Handle
DW_CFA_GNU_negative_offset_extended.
From-SVN: r31858
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/dwarf2.h | 6 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 8 | ||||
| -rw-r--r-- | gcc/frame.c | 8 |
4 files changed, 28 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5020e42..4aab454 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2000-02-08 Geoff Keating <geoffk@cygnus.com> + + * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant. + * dwarf2out.c (dwarf_cfi_name): Print name of new constant. + (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed. + (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended. + * frame.c (execute_cfa_insn): Handle + DW_CFA_GNU_negative_offset_extended. + 2000-02-08 Richard Henderson <rth@cygnus.com> * flow.c (tidy_fallthru_edges): Split out from ... diff --git a/gcc/dwarf2.h b/gcc/dwarf2.h index ddbe1b8..d0ca245 100644 --- a/gcc/dwarf2.h +++ b/gcc/dwarf2.h @@ -1,6 +1,7 @@ /* Declarations and definitions of codes relating to the DWARF2 symbolic debugging information format. - Copyright (C) 1992, 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1992, 1993, 1995, 1996, 1997, 2000 + Free Software Foundation, Inc. Contributed by Gary Funck (gary@intrepid.com). Derived from the DWARF 1 implementation written by Ron Guilmette (rfg@monkeys.com). @@ -501,7 +502,8 @@ enum dwarf_call_frame_info /* GNU extensions */ DW_CFA_GNU_window_save = 0x2d, - DW_CFA_GNU_args_size = 0x2e + DW_CFA_GNU_args_size = 0x2e, + DW_CFA_GNU_negative_offset_extended = 0x2f }; #define DW_CIE_ID 0xffffffff diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 5e09e4b..c363869 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -643,6 +643,8 @@ dwarf_cfi_name (cfi_opc) return "DW_CFA_GNU_window_save"; case DW_CFA_GNU_args_size: return "DW_CFA_GNU_args_size"; + case DW_CFA_GNU_negative_offset_extended: + return "DW_CFA_GNU_negative_offset_extended"; default: return "DW_CFA_<unknown>"; @@ -872,7 +874,10 @@ reg_save (label, reg, sreg, offset) offset /= DWARF_CIE_DATA_ALIGNMENT; if (offset < 0) - abort (); + { + cfi->dw_cfi_opc = DW_CFA_GNU_negative_offset_extended; + offset = -offset; + } cfi->dw_cfi_oprnd2.dw_cfi_offset = offset; } else @@ -1559,6 +1564,7 @@ output_cfi (cfi, fde) break; #endif case DW_CFA_offset_extended: + case DW_CFA_GNU_negative_offset_extended: case DW_CFA_def_cfa: output_uleb128 (cfi->dw_cfi_oprnd1.dw_cfi_reg_num); fputc ('\n', asm_out_file); diff --git a/gcc/frame.c b/gcc/frame.c index dc5d3a9c9..79ba78a 100644 --- a/gcc/frame.c +++ b/gcc/frame.c @@ -795,6 +795,14 @@ execute_cfa_insn (void *p, struct frame_state_internal *state, state->s.args_size = offset; break; + case DW_CFA_GNU_negative_offset_extended: + p = decode_uleb128 (p, ®); + p = decode_uleb128 (p, &offset); + offset *= info->data_align; + state->s.saved[reg] = REG_SAVED_OFFSET; + state->s.reg_or_offset[reg] = -offset; + break; + default: abort (); } |