| 1,6 → 1,5 |
|---|
| /* Definitions for Dwarf2 EH unwind support for Windows32 targets |
| Copyright (C) 2007, 2009 |
| Free Software Foundation, Inc. |
| Copyright (C) 2007-2013 Free Software Foundation, Inc. |
| Contributed by Pascal Obry <obry@adacore.com> |
| |
| This file is part of GCC. |
| 130,7 → 129,6 |
|---|
| |
| /* In the test below we look for two specific patterns found |
| experimentally to be in the Windows signal handler. */ |
| |
| if (SIG_PAT1 || SIG_PAT2 || SIG_SEH1 || SIG_SEH2) |
| { |
| PEXCEPTION_POINTERS weinfo_; |
| 148,14 → 146,12 |
|---|
| } |
| |
| /* The new context frame address is the stack pointer. */ |
| |
| new_cfa_ = proc_ctx_->Esp; |
| fs->regs.cfa_how = CFA_REG_OFFSET; |
| fs->regs.cfa_reg = __builtin_dwarf_sp_column(); |
| fs->regs.cfa_offset = new_cfa_ - (long) ctx_cfa_; |
| |
| /* Save some registers. */ |
| |
| /* Restore registers. */ |
| fs->regs.reg[0].how = REG_SAVED_OFFSET; |
| fs->regs.reg[0].loc.offset = (long)&proc_ctx_->Eax - new_cfa_; |
| fs->regs.reg[3].how = REG_SAVED_OFFSET; |
| 168,18 → 164,13 |
|---|
| fs->regs.reg[6].loc.offset = (long)&proc_ctx_->Esi - new_cfa_; |
| fs->regs.reg[7].how = REG_SAVED_OFFSET; |
| fs->regs.reg[7].loc.offset = (long)&proc_ctx_->Edi - new_cfa_; |
| fs->regs.reg[9].how = REG_SAVED_OFFSET; |
| fs->regs.reg[9].loc.offset = (long)&proc_ctx_->Eip - new_cfa_; |
| fs->regs.reg[4].how = REG_SAVED_OFFSET; |
| fs->regs.reg[4].loc.offset = (long)&proc_ctx_->Ebp - new_cfa_; |
| |
| /* Set the return address to Eip + 1. As we can be called multiple |
| times we use another register for this. */ |
| |
| proc_ctx_->Dr0 = proc_ctx_->Eip + 1; |
| fs->regs.reg[5].how = REG_SAVED_OFFSET; |
| fs->regs.reg[5].loc.offset = (long)&proc_ctx_->Ebp - new_cfa_; |
| fs->regs.reg[8].how = REG_SAVED_OFFSET; |
| fs->regs.reg[8].loc.offset = (long)&proc_ctx_->Dr0 - new_cfa_; |
| fs->regs.reg[8].loc.offset = (long)&proc_ctx_->Eip - new_cfa_; |
| fs->retaddr_column = 8; |
| fs->signal_frame = 1; |
| |
| return _URC_NO_REASON; |
| } |
| |
| 187,7 → 178,6 |
|---|
| one of it's probes prior to the real SP adjustment. The only |
| operations of interest performed is "pushl %ecx", followed by |
| ecx clobbering. */ |
| |
| else if (SIG_ALLOCA) |
| { |
| /* Only one push between entry in _alloca and the probe trap. */ |
| 205,6 → 195,7 |
|---|
| fs->retaddr_column = 8; |
| fs->regs.reg[8].how = REG_SAVED_OFFSET; |
| fs->regs.reg[8].loc.offset = 0; |
| fs->signal_frame = 1; |
| |
| return _URC_NO_REASON; |
| } |