ntdll: Remove libunwind support for aarch64.
Libunwind hasn't been necessary for unwinding through the ELF
bits since 03d4ba67f4.
This reduces the number of potential build configurations to
keep track of.
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö
Alexandre Julliard
parent
e772113071
commit
57b8d4c019
1 changed files with 8 additions and 145 deletions
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@ -50,10 +50,6 @@
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#ifdef HAVE_SYS_UCONTEXT_H
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# include <sys/ucontext.h>
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#endif
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#ifdef HAVE_LIBUNWIND
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# define UNW_LOCAL_ONLY
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# include <libunwind.h>
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#endif
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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@ -332,140 +328,6 @@ static NTSTATUS dwarf_virtual_unwind( ULONG64 ip, ULONG64 *frame, CONTEXT *conte
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}
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#ifdef HAVE_LIBUNWIND
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static NTSTATUS libunwind_virtual_unwind( ULONG_PTR ip, ULONG_PTR *frame, CONTEXT *context,
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PEXCEPTION_ROUTINE *handler, void **handler_data )
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{
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unw_context_t unw_context;
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unw_cursor_t cursor;
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unw_proc_info_t info;
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int rc;
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#ifdef __APPLE__
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rc = unw_getcontext( &unw_context );
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if (rc == UNW_ESUCCESS)
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rc = unw_init_local( &cursor, &unw_context );
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if (rc == UNW_ESUCCESS)
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{
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int i;
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for (i = 0; i <= 28; i++)
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unw_set_reg( &cursor, UNW_ARM64_X0 + i, context->X[i] );
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unw_set_reg( &cursor, UNW_ARM64_FP, context->Fp );
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unw_set_reg( &cursor, UNW_ARM64_LR, context->Lr );
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unw_set_reg( &cursor, UNW_ARM64_SP, context->Sp );
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unw_set_reg( &cursor, UNW_REG_IP, context->Pc );
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}
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#else
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memcpy( unw_context.uc_mcontext.regs, context->X, sizeof(context->X) );
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unw_context.uc_mcontext.sp = context->Sp;
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unw_context.uc_mcontext.pc = context->Pc;
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rc = unw_init_local( &cursor, &unw_context );
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#endif
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if (rc != UNW_ESUCCESS)
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{
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WARN( "setup failed: %d\n", rc );
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return STATUS_INVALID_DISPOSITION;
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}
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rc = unw_get_proc_info( &cursor, &info );
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if (UNW_ENOINFO < 0) rc = -rc; /* LLVM libunwind has negative error codes */
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if (rc != UNW_ESUCCESS && rc != -UNW_ENOINFO)
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{
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WARN( "failed to get info: %d\n", rc );
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return STATUS_INVALID_DISPOSITION;
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}
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if (rc == -UNW_ENOINFO || ip < info.start_ip || ip > info.end_ip)
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{
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TRACE( "no info found for %lx ip %lx-%lx, assuming leaf function\n",
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ip, info.start_ip, info.end_ip );
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*handler = NULL;
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*frame = context->Sp;
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context->Pc = context->Lr;
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context->ContextFlags |= CONTEXT_UNWOUND_TO_CALL;
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return STATUS_SUCCESS;
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}
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TRACE( "ip %#lx function %#lx-%#lx personality %#lx lsda %#lx fde %#lx\n",
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ip, (unsigned long)info.start_ip, (unsigned long)info.end_ip, (unsigned long)info.handler,
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(unsigned long)info.lsda, (unsigned long)info.unwind_info );
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rc = unw_step( &cursor );
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if (rc < 0)
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{
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WARN( "failed to unwind: %d %d\n", rc, UNW_ENOINFO );
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return STATUS_INVALID_DISPOSITION;
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}
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*handler = (void *)info.handler;
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*handler_data = (void *)info.lsda;
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*frame = context->Sp;
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#ifdef __APPLE__
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{
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int i;
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for (i = 0; i <= 28; i++)
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unw_get_reg( &cursor, UNW_ARM64_X0 + i, (unw_word_t *)&context->X[i] );
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}
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unw_get_reg( &cursor, UNW_ARM64_FP, (unw_word_t *)&context->Fp );
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unw_get_reg( &cursor, UNW_ARM64_X30, (unw_word_t *)&context->Lr );
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unw_get_reg( &cursor, UNW_ARM64_SP, (unw_word_t *)&context->Sp );
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#else
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unw_get_reg( &cursor, UNW_AARCH64_X0, (unw_word_t *)&context->X0 );
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unw_get_reg( &cursor, UNW_AARCH64_X1, (unw_word_t *)&context->X1 );
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unw_get_reg( &cursor, UNW_AARCH64_X2, (unw_word_t *)&context->X2 );
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unw_get_reg( &cursor, UNW_AARCH64_X3, (unw_word_t *)&context->X3 );
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unw_get_reg( &cursor, UNW_AARCH64_X4, (unw_word_t *)&context->X4 );
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unw_get_reg( &cursor, UNW_AARCH64_X5, (unw_word_t *)&context->X5 );
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unw_get_reg( &cursor, UNW_AARCH64_X6, (unw_word_t *)&context->X6 );
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unw_get_reg( &cursor, UNW_AARCH64_X7, (unw_word_t *)&context->X7 );
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unw_get_reg( &cursor, UNW_AARCH64_X8, (unw_word_t *)&context->X8 );
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unw_get_reg( &cursor, UNW_AARCH64_X9, (unw_word_t *)&context->X9 );
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unw_get_reg( &cursor, UNW_AARCH64_X10, (unw_word_t *)&context->X10 );
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unw_get_reg( &cursor, UNW_AARCH64_X11, (unw_word_t *)&context->X11 );
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unw_get_reg( &cursor, UNW_AARCH64_X12, (unw_word_t *)&context->X12 );
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unw_get_reg( &cursor, UNW_AARCH64_X13, (unw_word_t *)&context->X13 );
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unw_get_reg( &cursor, UNW_AARCH64_X14, (unw_word_t *)&context->X14 );
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unw_get_reg( &cursor, UNW_AARCH64_X15, (unw_word_t *)&context->X15 );
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unw_get_reg( &cursor, UNW_AARCH64_X16, (unw_word_t *)&context->X16 );
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unw_get_reg( &cursor, UNW_AARCH64_X17, (unw_word_t *)&context->X17 );
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unw_get_reg( &cursor, UNW_AARCH64_X18, (unw_word_t *)&context->X18 );
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unw_get_reg( &cursor, UNW_AARCH64_X19, (unw_word_t *)&context->X19 );
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unw_get_reg( &cursor, UNW_AARCH64_X20, (unw_word_t *)&context->X20 );
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unw_get_reg( &cursor, UNW_AARCH64_X21, (unw_word_t *)&context->X21 );
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unw_get_reg( &cursor, UNW_AARCH64_X22, (unw_word_t *)&context->X22 );
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unw_get_reg( &cursor, UNW_AARCH64_X23, (unw_word_t *)&context->X23 );
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unw_get_reg( &cursor, UNW_AARCH64_X24, (unw_word_t *)&context->X24 );
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unw_get_reg( &cursor, UNW_AARCH64_X25, (unw_word_t *)&context->X25 );
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unw_get_reg( &cursor, UNW_AARCH64_X26, (unw_word_t *)&context->X26 );
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unw_get_reg( &cursor, UNW_AARCH64_X27, (unw_word_t *)&context->X27 );
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unw_get_reg( &cursor, UNW_AARCH64_X28, (unw_word_t *)&context->X28 );
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unw_get_reg( &cursor, UNW_AARCH64_X29, (unw_word_t *)&context->Fp );
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unw_get_reg( &cursor, UNW_AARCH64_X30, (unw_word_t *)&context->Lr );
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unw_get_reg( &cursor, UNW_AARCH64_SP, (unw_word_t *)&context->Sp );
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#endif
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unw_get_reg( &cursor, UNW_REG_IP, (unw_word_t *)&context->Pc );
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context->ContextFlags |= CONTEXT_UNWOUND_TO_CALL;
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TRACE( "next function pc=%016lx%s\n", context->Pc, rc ? "" : " (last frame)" );
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TRACE(" x0=%016lx x1=%016lx x2=%016lx x3=%016lx\n",
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context->X0, context->X1, context->X2, context->X3 );
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TRACE(" x4=%016lx x5=%016lx x6=%016lx x7=%016lx\n",
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context->X4, context->X5, context->X6, context->X7 );
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TRACE(" x8=%016lx x9=%016lx x10=%016lx x11=%016lx\n",
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context->X8, context->X9, context->X10, context->X11 );
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TRACE(" x12=%016lx x13=%016lx x14=%016lx x15=%016lx\n",
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context->X12, context->X13, context->X14, context->X15 );
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TRACE(" x16=%016lx x17=%016lx x18=%016lx x19=%016lx\n",
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context->X16, context->X17, context->X18, context->X19 );
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TRACE(" x20=%016lx x21=%016lx x22=%016lx x23=%016lx\n",
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context->X20, context->X21, context->X22, context->X23 );
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TRACE(" x24=%016lx x25=%016lx x26=%016lx x27=%016lx\n",
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context->X24, context->X25, context->X26, context->X27 );
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TRACE(" x28=%016lx fp=%016lx lr=%016lx sp=%016lx\n",
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context->X28, context->Fp, context->Lr, context->Sp );
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return STATUS_SUCCESS;
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}
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#endif
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/***********************************************************************
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* unwind_builtin_dll
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*
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@ -482,13 +344,14 @@ NTSTATUS unwind_builtin_dll( void *args )
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if (fde)
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return dwarf_virtual_unwind( context->Pc, &dispatch->EstablisherFrame, context, fde,
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&bases, &dispatch->LanguageHandler, &dispatch->HandlerData );
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#ifdef HAVE_LIBUNWIND
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return libunwind_virtual_unwind( context->Pc, &dispatch->EstablisherFrame, context,
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&dispatch->LanguageHandler, &dispatch->HandlerData );
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#else
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ERR("libunwind not available, unable to unwind\n");
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return STATUS_INVALID_DISPOSITION;
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#endif
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TRACE( "no info found for %lx, assuming leaf function\n",
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context->Pc );
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dispatch->LanguageHandler = NULL;
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dispatch->EstablisherFrame = context->Sp;
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context->Pc = context->Lr;
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context->ContextFlags |= CONTEXT_UNWOUND_TO_CALL;
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return STATUS_SUCCESS;
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}
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