7888f2660e
libstdc++-v3: * config/os/solaris/solaris2.8: Rename to ... * config/os/solaris/solaris2.9: ... this. * config/abi/post/solaris2.8: Rename to ... * config/abi/post/solaris2.9: ... this. * configure.host (os_include_dir): Remove solaris2.8. Reflect renaming. (abi_baseline_pair): Remove *-*-solaris2.8. Reflect renaming. * configure.ac (GLIBCXX_CHECK_MATH_PROTO): Remove (GLIBCXX_CHECK_STDLIB_PROTO): Remove. * acinclude.m4 (GLIBCXX_CHECK_MATH_PROTO): Remove (GLIBCXX_CHECK_STDLIB_PROTO): Remove. (GLIBCXX_CHECK_GTHREADS): Remove Solaris 8 handling. * crossconfig.m4 (GLIBCXX_CROSSCONFIG): Remove *-solaris2.8 handling. * configure: Regenerate. * config.h.in: Regenerate. * config/os/solaris/solaris2.9/os_defines.h (__CORRECT_ISO_CPP_MATH_H_PROTO): Define. (__CORRECT_ISO_CPP_STDLIB_H_PROTO): Define. * include/c_global/cmath: Rename __CORRECT_ISO_CPP_MATH_H_PROTO1 to __CORRECT_ISO_CPP_MATH_H_PROTO. [!__CORRECT_ISO_CPP_MATH_H_PROTO2]: Remove. * include/tr1/cmath: Rename __CORRECT_ISO_CPP_MATH_H_PROTO1 to __CORRECT_ISO_CPP_MATH_H_PROTO. * doc/xml/manual/configure.xml (Configure, --enable-libstdcxx-threads): Remove Solaris 8 reference. * testsuite/27_io/basic_istream/extractors_arithmetic/char/12.cc: Don't xfail on *-*-solaris2.8. * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/12.cc: Likewise. * testsuite/ext/enc_filebuf/char/13598.cc: Don't xfail on *-*-solaris2.8. libjava: * configure.ac (THREADLIBS): Remove *-*-solaris2.8 handling. * configure: Regenerate. libgcc: * config/i386/sol2-unwind.h (x86_fallback_frame_state): Remove Solaris 8 handling. * config/sparc/sol2-unwind.h (sparc64_is_sighandler): Remove Solaris 8 handling. (sparc_is_sighandler): Likewise. libcpp: * lex.c: Remove Solaris 8 reference. gcc/testsuite: * g++.dg/warn/miss-format-1.C: Remove *-*-solaris2.8 handling. * gcc.dg/c99-stdint-6.c: Likewise. * gcc.dg/lto/20090210_0.c: Likewise. * gcc.dg/pr28796-2.c: Don't skip on sparc*-sun-solaris2.8. * gcc.dg/pragma-init-fini.c: Don't skip on i?86-*-solaris2.8. * gcc.dg/pragma-init-fini-2.c: Likewise. * gcc.dg/torture/pr47917.c: Remove *-*-solaris2.8 handling. * gcc.target/i386/pr22076.c: Remove i?86-*-solaris2.8 handling. * gcc.target/i386/pr22152.c: Likewise. * gcc.target/i386/vect8-ret.c: Likewise. * lib/target-supports.exp (add_options_for_tls): Remove Solaris 8 handling. gcc: * config.gcc (enable_obsolete): Remove *-*-solaris2.8*. (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported. (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove Solaris 8 support. * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*. (ld_tls_support): Remove Solaris 8 references. (lwp_dir, lwp_spec): Remove support for alternate thread library. * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests. * configure: Regenerate. * config.in: Regenerate. * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC. * config/i386/sol2.h: Remove Solaris 8 references. * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ... (i?86-*-solaris2.9): ... this. Remove Solaris 8 references. (Specific, *-*-solaris2*): Document Solaris 8 removal. Remove Solaris 8 references. fixincludes: * inclhack.def (math_exception): Remove duplicate. (solaris_cond_init): Remove. (solaris_sys_va_list): Remove Solaris 8 support. * fixincl.x: Regenerate. * tests/base/pthread.h [SOLARIS_COND_INIT_CHECK]: Remove. From-SVN: r185392
258 lines
9.4 KiB
C
258 lines
9.4 KiB
C
/* DWARF2 EH unwinding support for AMD x86-64 and x86.
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Copyright (C) 2009, 2010, 2012 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* Do code reading to identify a signal frame, and set the frame
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state data appropriately. See unwind-dw2.c for the structs. */
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#include <ucontext.h>
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#include <sys/frame.h>
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#ifdef __x86_64__
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#define MD_FALLBACK_FRAME_STATE_FOR x86_64_fallback_frame_state
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static _Unwind_Reason_Code
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x86_64_fallback_frame_state (struct _Unwind_Context *context,
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_Unwind_FrameState *fs)
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{
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unsigned char *pc = context->ra;
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mcontext_t *mctx;
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long new_cfa;
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if (/* Solaris 10+
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------------
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<__sighndlr+0>: push %rbp
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<__sighndlr+1>: mov %rsp,%rbp
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<__sighndlr+4>: callq *%rcx
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<__sighndlr+6>: leaveq <--- PC
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<__sighndlr+7>: retq */
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*(unsigned long *)(pc - 6) == 0xc3c9d1ffe5894855)
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/* We need to move up three frames:
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<signal handler> <-- context->cfa
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__sighndlr
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call_user_handler
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sigacthandler
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<kernel>
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context->cfa points into the frame after the saved frame pointer and
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saved pc (struct frame).
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The ucontext_t structure is in the kernel frame after the signal
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number and a siginfo_t *. Since the frame sizes vary even within
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Solaris 10 updates, we need to walk the stack to get there. */
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{
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struct frame *fp = (struct frame *) context->cfa - 1;
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struct handler_args {
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int signo;
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siginfo_t *sip;
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ucontext_t ucontext;
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} *handler_args;
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ucontext_t *ucp;
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/* Next frame: __sighndlr frame pointer. */
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fp = (struct frame *) fp->fr_savfp;
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/* call_user_handler frame pointer. */
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fp = (struct frame *) fp->fr_savfp;
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/* sigacthandler frame pointer. */
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fp = (struct frame *) fp->fr_savfp;
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/* The argument area precedes the struct frame. */
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handler_args = (struct handler_args *) (fp + 1);
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ucp = &handler_args->ucontext;
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mctx = &ucp->uc_mcontext;
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}
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else
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return _URC_END_OF_STACK;
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new_cfa = mctx->gregs[REG_RSP];
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fs->regs.cfa_how = CFA_REG_OFFSET;
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fs->regs.cfa_reg = 7;
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fs->regs.cfa_offset = new_cfa - (long) context->cfa;
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/* The SVR4 register numbering macros aren't usable in libgcc. */
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fs->regs.reg[0].how = REG_SAVED_OFFSET;
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fs->regs.reg[0].loc.offset = (long)&mctx->gregs[REG_RAX] - new_cfa;
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fs->regs.reg[1].how = REG_SAVED_OFFSET;
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fs->regs.reg[1].loc.offset = (long)&mctx->gregs[REG_RDX] - new_cfa;
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fs->regs.reg[2].how = REG_SAVED_OFFSET;
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fs->regs.reg[2].loc.offset = (long)&mctx->gregs[REG_RCX] - new_cfa;
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fs->regs.reg[3].how = REG_SAVED_OFFSET;
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fs->regs.reg[3].loc.offset = (long)&mctx->gregs[REG_RBX] - new_cfa;
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fs->regs.reg[4].how = REG_SAVED_OFFSET;
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fs->regs.reg[4].loc.offset = (long)&mctx->gregs[REG_RSI] - new_cfa;
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fs->regs.reg[5].how = REG_SAVED_OFFSET;
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fs->regs.reg[5].loc.offset = (long)&mctx->gregs[REG_RDI] - new_cfa;
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fs->regs.reg[6].how = REG_SAVED_OFFSET;
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fs->regs.reg[6].loc.offset = (long)&mctx->gregs[REG_RBP] - new_cfa;
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fs->regs.reg[8].how = REG_SAVED_OFFSET;
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fs->regs.reg[8].loc.offset = (long)&mctx->gregs[REG_R8] - new_cfa;
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fs->regs.reg[9].how = REG_SAVED_OFFSET;
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fs->regs.reg[9].loc.offset = (long)&mctx->gregs[REG_R9] - new_cfa;
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fs->regs.reg[10].how = REG_SAVED_OFFSET;
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fs->regs.reg[10].loc.offset = (long)&mctx->gregs[REG_R10] - new_cfa;
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fs->regs.reg[11].how = REG_SAVED_OFFSET;
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fs->regs.reg[11].loc.offset = (long)&mctx->gregs[REG_R11] - new_cfa;
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fs->regs.reg[12].how = REG_SAVED_OFFSET;
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fs->regs.reg[12].loc.offset = (long)&mctx->gregs[REG_R12] - new_cfa;
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fs->regs.reg[13].how = REG_SAVED_OFFSET;
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fs->regs.reg[13].loc.offset = (long)&mctx->gregs[REG_R13] - new_cfa;
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fs->regs.reg[14].how = REG_SAVED_OFFSET;
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fs->regs.reg[14].loc.offset = (long)&mctx->gregs[REG_R14] - new_cfa;
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fs->regs.reg[15].how = REG_SAVED_OFFSET;
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fs->regs.reg[15].loc.offset = (long)&mctx->gregs[REG_R15] - new_cfa;
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fs->regs.reg[16].how = REG_SAVED_OFFSET;
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fs->regs.reg[16].loc.offset = (long)&mctx->gregs[REG_RIP] - new_cfa;
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fs->retaddr_column = 16;
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fs->signal_frame = 1;
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return _URC_NO_REASON;
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}
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#else
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#define MD_FALLBACK_FRAME_STATE_FOR x86_fallback_frame_state
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static _Unwind_Reason_Code
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x86_fallback_frame_state (struct _Unwind_Context *context,
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_Unwind_FrameState *fs)
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{
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unsigned char *pc = context->ra;
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mcontext_t *mctx;
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long new_cfa;
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if (/* Solaris 9 - single-threaded
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----------------------------
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<sigacthandler+16>: mov 0x244(%ebx),%ecx
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<sigacthandler+22>: mov 0x8(%ebp),%eax
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<sigacthandler+25>: mov (%ecx,%eax,4),%ecx
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<sigacthandler+28>: pushl 0x10(%ebp)
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<sigacthandler+31>: pushl 0xc(%ebp)
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<sigacthandler+34>: push %eax
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<sigacthandler+35>: call *%ecx
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<sigacthandler+37>: add $0xc,%esp <--- PC
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<sigacthandler+40>: pushl 0x10(%ebp) */
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(*(unsigned long *)(pc - 21) == 0x2448b8b
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&& *(unsigned long *)(pc - 17) == 0x458b0000
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&& *(unsigned long *)(pc - 13) == 0x810c8b08
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&& *(unsigned long *)(pc - 9) == 0xff1075ff
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&& *(unsigned long *)(pc - 5) == 0xff500c75
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&& *(unsigned long *)(pc - 1) == 0xcc483d1)
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|| /* Solaris 9 - multi-threaded, Solaris 10
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---------------------------------------
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<__sighndlr+0>: push %ebp
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<__sighndlr+1>: mov %esp,%ebp
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<__sighndlr+3>: pushl 0x10(%ebp)
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<__sighndlr+6>: pushl 0xc(%ebp)
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<__sighndlr+9>: pushl 0x8(%ebp)
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<__sighndlr+12>: call *0x14(%ebp)
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<__sighndlr+15>: add $0xc,%esp <--- PC
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<__sighndlr+18>: leave
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<__sighndlr+19>: ret */
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(*(unsigned long *)(pc - 15) == 0xffec8b55
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&& *(unsigned long *)(pc - 11) == 0x75ff1075
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&& *(unsigned long *)(pc - 7) == 0x0875ff0c
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&& *(unsigned long *)(pc - 3) == 0x831455ff
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&& *(unsigned long *)(pc + 1) == 0xc3c90cc4)
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|| /* Solaris 11 before snv_125
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--------------------------
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<__sighndlr+0> push %ebp
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<__sighndlr+1> mov %esp,%ebp
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<__sighndlr+4> pushl 0x10(%ebp)
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<__sighndlr+6> pushl 0xc(%ebp)
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<__sighndlr+9> pushl 0x8(%ebp)
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<__sighndlr+12> call *0x14(%ebp)
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<__sighndlr+15> add $0xc,%esp
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<__sighndlr+18> leave <--- PC
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<__sighndlr+19> ret */
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(*(unsigned long *)(pc - 18) == 0xffec8b55
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&& *(unsigned long *)(pc - 14) == 0x7fff107f
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&& *(unsigned long *)(pc - 10) == 0x0875ff0c
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&& *(unsigned long *)(pc - 6) == 0x83145fff
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&& *(unsigned long *)(pc - 1) == 0xc3c90cc4)
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|| /* Solaris 11 since snv_125
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-------------------------
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<__sighndlr+0> push %ebp
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<__sighndlr+1> mov %esp,%ebp
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<__sighndlr+3> and $0xfffffff0,%esp
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<__sighndlr+6> sub $0x4,%esp
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<__sighndlr+9> pushl 0x10(%ebp)
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<__sighndlr+12> pushl 0xc(%ebp)
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<__sighndlr+15> pushl 0x8(%ebp)
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<__sighndlr+18> call *0x14(%ebp)
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<__sighndlr+21> leave <--- PC
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<__sighndlr+22> ret */
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(*(unsigned long *)(pc - 21) == 0x83ec8b55
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&& *(unsigned long *)(pc - 17) == 0xec83f0e4
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&& *(unsigned long *)(pc - 13) == 0x1075ff04
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&& *(unsigned long *)(pc - 9) == 0xff0c75ff
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&& *(unsigned long *)(pc - 5) == 0x55ff0875
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&& (*(unsigned long *)(pc - 1) & 0x00ffffff) == 0x00c3c914))
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{
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struct handler_args {
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int signo;
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siginfo_t *sip;
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ucontext_t *ucontext;
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} *handler_args = context->cfa;
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mctx = &handler_args->ucontext->uc_mcontext;
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}
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else
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return _URC_END_OF_STACK;
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new_cfa = mctx->gregs[UESP];
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fs->regs.cfa_how = CFA_REG_OFFSET;
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fs->regs.cfa_reg = 4;
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fs->regs.cfa_offset = new_cfa - (long) context->cfa;
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/* The SVR4 register numbering macros aren't usable in libgcc. */
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fs->regs.reg[0].how = REG_SAVED_OFFSET;
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fs->regs.reg[0].loc.offset = (long)&mctx->gregs[EAX] - new_cfa;
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fs->regs.reg[3].how = REG_SAVED_OFFSET;
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fs->regs.reg[3].loc.offset = (long)&mctx->gregs[EBX] - new_cfa;
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fs->regs.reg[1].how = REG_SAVED_OFFSET;
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fs->regs.reg[1].loc.offset = (long)&mctx->gregs[ECX] - new_cfa;
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fs->regs.reg[2].how = REG_SAVED_OFFSET;
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fs->regs.reg[2].loc.offset = (long)&mctx->gregs[EDX] - new_cfa;
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fs->regs.reg[6].how = REG_SAVED_OFFSET;
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fs->regs.reg[6].loc.offset = (long)&mctx->gregs[ESI] - new_cfa;
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fs->regs.reg[7].how = REG_SAVED_OFFSET;
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fs->regs.reg[7].loc.offset = (long)&mctx->gregs[EDI] - new_cfa;
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fs->regs.reg[5].how = REG_SAVED_OFFSET;
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fs->regs.reg[5].loc.offset = (long)&mctx->gregs[EBP] - new_cfa;
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fs->regs.reg[8].how = REG_SAVED_OFFSET;
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fs->regs.reg[8].loc.offset = (long)&mctx->gregs[EIP] - new_cfa;
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fs->retaddr_column = 8;
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fs->signal_frame = 1;
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return _URC_NO_REASON;
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}
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#endif
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