Remove dead code

We don't use C++ exceptions anymore :)

Change-Id: Iedab648ec7ab6ee490dbe992d32d6a0017f26a41
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

2 files changed, 0 insertions, 370 deletions

diff --git a/tools/fdegen/fdegen.pro b/tools/fdegen/fdegen.pro
deleted file mode 100644
index a52533280e..0000000000
--- a/tools/fdegen/fdegen.pro
+++ /dev/null
@@ -1,8 +0,0 @@
-TEMPLATE = app
-TARGET = fdegen
-INCLUDEPATH += .
-
-# Input
-SOURCES += main.cpp
-
-LIBS += -ldwarf -lelf
diff --git a/tools/fdegen/main.cpp b/tools/fdegen/main.cpp
deleted file mode 100644
index 53ee9dec2a..0000000000
--- a/tools/fdegen/main.cpp
+++ /dev/null
@@ -1,362 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the V4VM module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:GPL-EXCEPT$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 as published by the Free Software
-** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <libdwarf.h>
-#include <dwarf.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-#define DEBUG
-
-#ifdef DEBUG
-#include <libelf.h>
-#endif
-
-#include <qglobal.h>
-
-enum DwarfRegs {
-#if defined(Q_PROCESSOR_X86_64)
-    // X86-64
-    RAX = 0,
-    RDX = 1,
-    RCX = 2,
-    RBX = 3,
-    RSI = 4,
-    RDI = 5,
-    RBP = 6,
-    RSP = 7,
-    R8 = 8,
-    R9 = 9,
-    R10 = 10,
-    R11 = 11,
-    R12 = 12,
-    R13 = 13,
-    R14 = 14,
-    R15 = 15,
-    RIP = 16,
-
-    InstructionPointerRegister = RIP,
-    StackPointerRegister = RSP,
-    StackFrameRegister = RBP
-#elif defined(Q_PROCESSOR_X86)
-    // x86
-    EAX = 0,
-    EDX = 1,
-    ECX = 2,
-    EBX = 3,
-    ESP = 4,
-    EBP = 5,
-    ESI = 6,
-    EDI = 7,
-    EIP = 8,
-
-    InstructionPointerRegister = EIP,
-    StackPointerRegister = ESP,
-    StackFrameRegister = EBP
-#else
-#error Not ported yet
-#endif
-};
-
-static const DwarfRegs calleeSavedRegisters[] = {
-#if defined(Q_PROCESSOR_X86_64)
-    R12,
-    R14
-#elif defined(Q_PROCESSOR_X86)
-    ESI,
-    EDI
-#endif
-};
-static const int calleeSavedRegisterCount = sizeof(calleeSavedRegisters) / sizeof(calleeSavedRegisters[0]);
-
-#if QT_POINTER_SIZE == 8
-#define Elf_Ehdr Elf64_Ehdr
-#define elf_newehdr elf64_newehdr
-#define Elf_Shdr Elf64_Shdr
-#define elf_getshdr elf64_getshdr
-#else
-#define Elf_Ehdr Elf32_Ehdr
-#define elf_newehdr elf32_newehdr
-#define Elf_Shdr Elf32_Shdr
-#define elf_getshdr elf32_getshdr
-#endif
-
-static void die(const char *msg)
-{
-    fprintf(stderr, "error: %s\n", msg);
-    exit(1);
-}
-
-static int createSectionCallback(
-        char *name,
-        int size,
-        Dwarf_Unsigned  /*type*/,
-        Dwarf_Unsigned  /*flags*/,
-        Dwarf_Unsigned  /*link*/,
-        Dwarf_Unsigned  /*info*/,
-        Dwarf_Unsigned* /*sect_name_index*/,
-        void *          /*user_data*/,
-        int*            /*error*/)
-{
-    if (strcmp(name, ".debug_frame"))
-        return 0;
-    fprintf(stderr, "createsection called with %s and size %d\n", name, size);
-    return 1;
-}
-
-static unsigned char cie_init_instructions[] = {
-    DW_CFA_def_cfa, StackPointerRegister, /*offset in bytes */sizeof(void*),
-    DW_CFA_offset | InstructionPointerRegister, 1,
-};
-
-int main()
-{
-    Dwarf_Error error = 0;
-    Dwarf_P_Debug dw = dwarf_producer_init_c(DW_DLC_WRITE | DW_DLC_SIZE_64,
-                                             createSectionCallback,
-                                             /* error handler */0,
-                                             /* error arg */0,
-                                             /* user data */0,
-                                             &error);
-    if (error != 0)
-        die("dwarf_producer_init_c failed");
-
-    Dwarf_Unsigned cie = dwarf_add_frame_cie(dw,
-                                             "",
-                                             /* code alignment factor */sizeof(void*),
-                                             /* data alignment factor */-sizeof(void*),
-                                             /* return address reg*/InstructionPointerRegister,
-                                             cie_init_instructions,
-                                             sizeof(cie_init_instructions),
-                                             &error);
-    if (error != 0)
-        die("dwarf_add_frame_cie failed");
-
-    Dwarf_P_Fde fde = dwarf_new_fde(dw, &error);
-    if (error != 0)
-        die("dwarf_new_fde failed");
-
-    /* New entry in state machine for code offset 1 after push rbp instruction */
-    dwarf_add_fde_inst(fde,
-                       DW_CFA_advance_loc,
-                       /*offset in code alignment units*/ 1,
-                       /* unused*/ 0,
-                       &error);
-
-    /* After "push rbp" the offset to the CFA is now 2 instead of 1 */
-    dwarf_add_fde_inst(fde,
-                       DW_CFA_def_cfa_offset_sf,
-                       /*offset in code alignment units*/ -2,
-                       /* unused*/ 0,
-                       &error);
-
-    /* After "push rbp" the value of rbp is now stored at offset 1 from CFA */
-    dwarf_add_fde_inst(fde,
-                       DW_CFA_offset,
-                       StackFrameRegister,
-                       2,
-                       &error);
-
-    /* New entry in state machine for code offset 3 for mov rbp, rsp instruction */
-    dwarf_add_fde_inst(fde,
-                       DW_CFA_advance_loc,
-                       /*offset in code alignment units*/ 3,
-                       /* unused */ 0,
-                       &error);
-
-    /* After "mov rbp, rsp" the cfa is reachable via rbp */
-    dwarf_add_fde_inst(fde,
-                       DW_CFA_def_cfa_register,
-                       StackFrameRegister,
-                       /* unused */0,
-                       &error);
-
-    /* Callee saved registers */
-    for (int i = 0; i < calleeSavedRegisterCount; ++i) {
-        dwarf_add_fde_inst(fde,
-                           DW_CFA_offset,
-                           calleeSavedRegisters[i],
-                           i + 3,
-                           &error);
-    }
-
-    dwarf_add_frame_fde(dw, fde,
-                        /* die */0,
-                        cie,
-                        /*virt addr */0,
-                        /* length of code */0,
-                        /* symbol index */0,
-                        &error);
-    if (error != 0)
-        die("dwarf_add_frame_fde failed");
-
-    dwarf_transform_to_disk_form(dw, &error);
-    if (error != 0)
-        die("dwarf_transform_to_disk_form failed");
-
-    Dwarf_Unsigned len = 0;
-    Dwarf_Signed elfIdx = 0;
-    unsigned char *bytes = (unsigned char *)dwarf_get_section_bytes(dw, /* section */1,
-                                              &elfIdx, &len, &error);
-    if (error != 0)
-        die("dwarf_get_section_bytes failed");
-
-    // libdwarf doesn't add a terminating FDE with zero length, so let's add one
-    // ourselves.
-    unsigned char *newBytes = (unsigned char *)alloca(len + 4);
-    memcpy(newBytes, bytes, len);
-    newBytes[len] = 0;
-    newBytes[len + 1] = 0;
-    newBytes[len + 2] = 0;
-    newBytes[len + 3] = 0;
-    newBytes[len + 4] = 0;
-    bytes = newBytes;
-    len += 4;
-
-    // Reset CIE-ID back to 0 as expected for .eh_frames
-    bytes[4] = 0;
-    bytes[5] = 0;
-    bytes[6] = 0;
-    bytes[7] = 0;
-
-    unsigned fde_offset = bytes[0] + 4;
-
-    bytes[fde_offset + 4] = fde_offset + 4;
-
-    printf("static const unsigned char cie_fde_data[] = {\n");
-    int i = 0;
-    while (i < len) {
-        printf("    ");
-        for (int j = 0; i < len && j < 8; ++j, ++i)
-            printf("0x%x, ", bytes[i]);
-        printf("\n");
-    }
-    printf("};\n");
-
-    printf("static const int fde_offset = %d;\n", fde_offset);
-    printf("static const int initial_location_offset = %d;\n", fde_offset + 8);
-    printf("static const int address_range_offset = %d;\n", fde_offset + 8 + sizeof(void*));
-
-#ifdef DEBUG
-    {
-        if (elf_version(EV_CURRENT) == EV_NONE)
-            die("wrong elf version");
-        int fd = open("debug.o", O_WRONLY | O_CREAT, 0777);
-        if (fd < 0)
-            die("cannot create debug.o");
-
-        Elf *e = elf_begin(fd, ELF_C_WRITE, 0);
-        if (!e)
-            die("elf_begin failed");
-
-        Elf_Ehdr *ehdr = elf_newehdr(e);
-        if (!ehdr)
-            die(elf_errmsg(-1));
-
-        ehdr->e_ident[EI_DATA] = ELFDATA2LSB;
-#if defined(Q_PROCESSOR_X86_64)
-        ehdr->e_machine = EM_X86_64;
-#elif defined(Q_PROCESSOR_X86)
-        ehdr->e_machine = EM_386;
-#else
-#error port me :)
-#endif
-        ehdr->e_type = ET_EXEC;
-        ehdr->e_version = EV_CURRENT;
-
-        Elf_Scn *section = elf_newscn(e);
-        if (!section)
-            die("elf_newscn failed");
-
-        Elf_Data *data = elf_newdata(section);
-        if (!data)
-            die(elf_errmsg(-1));
-        data->d_align = 4;
-        data->d_off = 0;
-        data->d_buf = bytes;
-        data->d_size = len;
-        data->d_type = ELF_T_BYTE;
-        data->d_version = EV_CURRENT;
-
-        Elf_Shdr *shdr = elf_getshdr(section);
-        if (!shdr)
-            die(elf_errmsg(-1));
-
-        shdr->sh_name = 1;
-        shdr->sh_type = SHT_PROGBITS;
-        shdr->sh_entsize = 0;
-
-        char stringTable[] = {
-            0,
-            '.', 'e', 'h', '_', 'f', 'r', 'a', 'm', 'e', 0,
-            '.', 's', 'h', 's', 't', 'r', 't', 'a', 'b', 0
-        };
-
-        section = elf_newscn(e);
-        if (!section)
-            die("elf_newscn failed");
-
-        data = elf_newdata(section);
-        if (!data)
-            die(elf_errmsg(-1));
-        data->d_align = 1;
-        data->d_off = 0;
-        data->d_buf = stringTable;
-        data->d_size = sizeof(stringTable);
-        data->d_type = ELF_T_BYTE;
-        data->d_version = EV_CURRENT;
-
-        shdr = elf_getshdr(section);
-        if (!shdr)
-            die(elf_errmsg(-1));
-
-        shdr->sh_name = 11;
-        shdr->sh_type = SHT_STRTAB;
-        shdr->sh_flags = SHF_STRINGS | SHF_ALLOC;
-        shdr->sh_entsize = 0;
-
-        ehdr->e_shstrndx = elf_ndxscn(section);
-
-        if (elf_update(e, ELF_C_WRITE) < 0)
-            die(elf_errmsg(-1));
-
-        elf_end(e);
-        close(fd);
-    }
-#endif
-
-    dwarf_producer_finish(dw, &error);
-    if (error != 0)
-        die("dwarf_producer_finish failed");
-    return 0;
-}