Switch to standard integer types in courgette/.

courgette/disassembler_elf_32_arm.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "courgette/disassembler_elf_32_arm.h"
 
+#include <stddef.h>
+#include <stdint.h>
+
 #include <algorithm>
 #include <string>
 #include <vector>
 
-#include "base/basictypes.h"
 #include "base/logging.h"
 
 #include "courgette/assembly_program.h"
 #include "courgette/courgette.h"
 #include "courgette/encoded_program.h"
 
 namespace courgette {
 
-CheckBool DisassemblerElf32ARM::Compress(ARM_RVA type, uint32 arm_op, RVA rva,
-                                         uint16* c_op, uint32* addr) {
+CheckBool DisassemblerElf32ARM::Compress(ARM_RVA type,
+                                         uint32_t arm_op,
+                                         RVA rva,
+                                         uint16_t* c_op,
+                                         uint32_t* addr) {
   // This method takes an ARM or thumb opcode, extracts the relative
   // target address from it (addr), and creates a corresponding
   // Courgette opcode (c_op).
   //
   // Details on ARM the opcodes, and how the relative targets are
   // computed were taken from the "ARM Architecture Reference Manual",
   // section A4.1.5 and the "Thumb-2 supplement", section 4.6.12.
   // ARM_OFF24 is for the ARM opcode.  The rest are for thumb opcodes.
   switch (type) {
     case ARM_OFF8: {
       // The offset is given by lower 8 bits of the op.  It is a 9-bit
       // offset, shifted right one bit and signed extended.
-      uint32 temp = (arm_op & 0x00FF) << 1;
+      uint32_t temp = (arm_op & 0x00FF) << 1;
       if (temp & 0x0100)
         temp |= 0xFFFFFE00;
       temp += 4;  // Offset from _next_ PC.
       fflush(stdout);
 
       (*addr) = temp;
-      (*c_op) = static_cast<uint16>(arm_op >> 8) | 0x1000;
+      (*c_op) = static_cast<uint16_t>(arm_op >> 8) | 0x1000;
       break;
     }
     case ARM_OFF11: {
       // The offset is given by lower 11 bits of the op, and is a
       // 12-bit offset, shifted right one bit and sign extended.
-      uint32 temp = (arm_op & 0x07FF) << 1;
+      uint32_t temp = (arm_op & 0x07FF) << 1;
       if (temp & 0x00000800)
         temp |= 0xFFFFF000;
       temp += 4;  // Offset from _next_ PC.
 
       (*addr) = temp;
-      (*c_op) = static_cast<uint16>(arm_op >> 11) | 0x2000;
+      (*c_op) = static_cast<uint16_t>(arm_op >> 11) | 0x2000;
       break;
     }
     case ARM_OFF24: {
       // The offset is given by the lower 24-bits of the op, shifted
       // left 2 bits, and sign extended.
-      uint32 temp = (arm_op & 0x00FFFFFF) << 2;
+      uint32_t temp = (arm_op & 0x00FFFFFF) << 2;
       if (temp & 0x02000000)
         temp |= 0xFC000000;
       temp += 8;
 
       (*addr) = temp;
       (*c_op) = (arm_op >> 24) | 0x3000;
       break;
     }
     case ARM_OFF25: {
-      uint32 temp = 0;
+      uint32_t temp = 0;
       temp |= (arm_op & 0x000007FF) << 1;  // imm11
       temp |= (arm_op & 0x03FF0000) >> 4;  // imm10
 
-      uint32 S   = (arm_op & (1 << 26)) >> 26;
-      uint32 j2  = (arm_op & (1 << 11)) >> 11;
-      uint32 j1  = (arm_op & (1 << 13)) >> 13;
+      uint32_t S = (arm_op & (1 << 26)) >> 26;
+      uint32_t j2 = (arm_op & (1 << 11)) >> 11;
+      uint32_t j1 = (arm_op & (1 << 13)) >> 13;
       bool bit12 = ((arm_op & (1 << 12)) >> 12) != 0;
       bool bit14 = ((arm_op & (1 << 14)) >> 14) != 0;
 
-      uint32 i2  = ~(j2 ^ S) & 1;
-      uint32 i1  = ~(j1 ^ S) & 1;
+      uint32_t i2 = ~(j2 ^ S) & 1;
+      uint32_t i1 = ~(j1 ^ S) & 1;
       bool toARM =  bit14 && !bit12;
 
       temp |= (S << 24) | (i1 << 23) | (i2 << 22);
 
       if (temp & 0x01000000) // sign extension
         temp |= 0xFE000000;
-      uint32 prefetch;
+      uint32_t prefetch;
       if (toARM) {
         // Align PC on 4-byte boundary
-        uint32 align4byte = (rva % 4) ? 2 : 4;
+        uint32_t align4byte = (rva % 4) ? 2 : 4;
         prefetch = align4byte;
       } else {
         prefetch = 4;
       }
       temp += prefetch;
       (*addr) = temp;
 
-      uint32 temp2 = 0x4000;
+      uint32_t temp2 = 0x4000;
       temp2 |= (arm_op & (1 << 12)) >> 12;
       temp2 |= (arm_op & (1 << 14)) >> 13;
       temp2 |= (arm_op & (1 << 15)) >> 13;
       temp2 |= (arm_op & 0xF8000000) >> 24;
       temp2 |= (prefetch & 0x0000000F) << 8;
-      (*c_op) = static_cast<uint16>(temp2);
+      (*c_op) = static_cast<uint16_t>(temp2);
       break;
     }
     case ARM_OFF21: {
-      uint32 temp = 0;
+      uint32_t temp = 0;
       temp |= (arm_op & 0x000007FF) << 1;  // imm11
       temp |= (arm_op & 0x003F0000) >> 4;  // imm6
 
-      uint32 S   = (arm_op & (1 << 26)) >> 26;
-      uint32 j2  = (arm_op & (1 << 11)) >> 11;
-      uint32 j1  = (arm_op & (1 << 13)) >> 13;
+      uint32_t S = (arm_op & (1 << 26)) >> 26;
+      uint32_t j2 = (arm_op & (1 << 11)) >> 11;
+      uint32_t j1 = (arm_op & (1 << 13)) >> 13;
 
       temp |= (S << 20) | (j1 << 19) | (j2 << 18);
 
       if (temp & 0x00100000)  // sign extension
         temp |= 0xFFE00000;
       temp += 4;
       (*addr) = temp;
 
-      uint32 temp2 = 0x5000;
+      uint32_t temp2 = 0x5000;
       temp2 |= (arm_op & 0x03C00000) >> 22;  // just save the cond
-      (*c_op) = static_cast<uint16>(temp2);
+      (*c_op) = static_cast<uint16_t>(temp2);
       break;
     }
     default:
       return false;
   }
   return true;
 }
 
-CheckBool DisassemblerElf32ARM::Decompress(ARM_RVA type, uint16 c_op,
-                                           uint32 addr, uint32* arm_op) {
+CheckBool DisassemblerElf32ARM::Decompress(ARM_RVA type,
+                                           uint16_t c_op,
+                                           uint32_t addr,
+                                           uint32_t* arm_op) {
   // Reverses the process in the compress() method.  Takes the
   // Courgette op and relative address and reconstructs the original
   // ARM or thumb op.
   switch (type) {
     case ARM_OFF8:
       (*arm_op) = ((c_op & 0x0FFF) << 8) | (((addr - 4) >> 1) & 0x000000FF);
       break;
     case ARM_OFF11:
       (*arm_op) = ((c_op & 0x0FFF) << 11) | (((addr - 4) >> 1) & 0x000007FF);
       break;
     case ARM_OFF24:
       (*arm_op) = ((c_op & 0x0FFF) << 24) | (((addr - 8) >> 2) & 0x00FFFFFF);
       break;
     case ARM_OFF25: {
-      uint32 temp = 0;
+      uint32_t temp = 0;
       temp |= (c_op & (1 << 0)) << 12;
       temp |= (c_op & (1 << 1)) << 13;
       temp |= (c_op & (1 << 2)) << 13;
       temp |= (c_op & (0xF8000000 >> 24)) << 24;
 
-      uint32 prefetch = (c_op & 0x0F00) >> 8;
+      uint32_t prefetch = (c_op & 0x0F00) >> 8;
       addr -= prefetch;
 
       addr &= 0x01FFFFFF;
 
-      uint32 S  = (addr & (1 << 24)) >> 24;
-      uint32 i1 = (addr & (1 << 23)) >> 23;
-      uint32 i2 = (addr & (1 << 22)) >> 22;
+      uint32_t S = (addr & (1 << 24)) >> 24;
+      uint32_t i1 = (addr & (1 << 23)) >> 23;
+      uint32_t i2 = (addr & (1 << 22)) >> 22;
 
-      uint32 j1 = ((~i1) ^ S) & 1;
-      uint32 j2 = ((~i2) ^ S) & 1;
+      uint32_t j1 = ((~i1) ^ S) & 1;
+      uint32_t j2 = ((~i2) ^ S) & 1;
 
       temp |= S << 26;
       temp |= j2 << 11;
       temp |= j1 << 13;
 
       temp |= (addr & (0x000007FF << 1)) >> 1;
       temp |= (addr & (0x03FF0000 >> 4)) << 4;
 
       (*arm_op) = temp;
       break;
     }
     case ARM_OFF21: {
-      uint32 temp = 0xF0008000;
+      uint32_t temp = 0xF0008000;
       temp |= (c_op & (0x03C00000 >> 22)) << 22;
 
       addr -= 4;
       addr &= 0x001FFFFF;
 
-      uint32 S  = (addr & (1 << 20)) >> 20;
-      uint32 j1 = (addr & (1 << 19)) >> 19;
-      uint32 j2 = (addr & (1 << 18)) >> 18;
+      uint32_t S = (addr & (1 << 20)) >> 20;
+      uint32_t j1 = (addr & (1 << 19)) >> 19;
+      uint32_t j2 = (addr & (1 << 18)) >> 18;
 
       temp |= S << 26;
       temp |= j2 << 11;
       temp |= j1 << 13;
 
       temp |= (addr & (0x000007FF << 1)) >> 1;
       temp |= (addr & (0x003F0000 >> 4)) << 4;
 
       (*arm_op) = temp;
       break;
     }
     default:
       return false;
   }
   return true;
 }
 
-uint16 DisassemblerElf32ARM::TypedRVAARM::op_size() const {
+uint16_t DisassemblerElf32ARM::TypedRVAARM::op_size() const {
   switch (type_) {
     case ARM_OFF8:
       return 2;
     case ARM_OFF11:
       return 2;
     case ARM_OFF24:
       return 4;
     case ARM_OFF25:
       return 4;
     case ARM_OFF21:
       return 4;
     default:
       return 0xFFFF;
   }
 }
 
 CheckBool DisassemblerElf32ARM::TypedRVAARM::ComputeRelativeTarget(
-    const uint8* op_pointer) {
+    const uint8_t* op_pointer) {
   arm_op_ = op_pointer;
   switch (type_) {
     case ARM_OFF8:
       // Fall through
     case ARM_OFF11: {
       RVA relative_target;
       CheckBool ret = Compress(type_, Read16LittleEndian(op_pointer), rva(),
                                &c_op_, &relative_target);
       set_relative_target(relative_target);
       return ret;
     }
     case ARM_OFF24: {
       RVA relative_target;
       CheckBool ret = Compress(type_, Read32LittleEndian(op_pointer), rva(),
                                &c_op_, &relative_target);
       set_relative_target(relative_target);
       return ret;
     }
     case ARM_OFF25:
       // Fall through
     case ARM_OFF21: {
       // A thumb-2 op is 32 bits stored as two 16-bit words
-      uint32 pval = (Read16LittleEndian(op_pointer) << 16)
-        | Read16LittleEndian(op_pointer + 2);
+      uint32_t pval = (Read16LittleEndian(op_pointer) << 16) |
+                      Read16LittleEndian(op_pointer + 2);
       RVA relative_target;
       CheckBool ret = Compress(type_, pval, rva(), &c_op_, &relative_target);
       set_relative_target(relative_target);
       return ret;
     }
    default:
      return false;
   }
 }
 
@@ skipping 11 matching lines @@
 }
 
 // Convert an ELF relocation struction into an RVA
 CheckBool DisassemblerElf32ARM::RelToRVA(Elf32_Rel rel, RVA* result) const {
 
   // The rightmost byte of r_info is the type...
   elf32_rel_arm_type_values type =
       (elf32_rel_arm_type_values)(unsigned char)rel.r_info;
 
   // The other 3 bytes of r_info are the symbol
-  uint32 symbol =  rel.r_info >> 8;
+  uint32_t symbol = rel.r_info >> 8;
 
   switch(type)
   {
     case R_ARM_RELATIVE:
       if (symbol != 0)
         return false;
 
       // This is a basic ABS32 relocation address
       *result = rel.r_offset;
       return true;
@@ skipping 24 matching lines @@
 
   bool match = true;
 
   // Walk all the bytes in the section, matching relocation table or not
   size_t file_offset = section_header->sh_offset;
   size_t section_end = section_header->sh_offset + section_header->sh_size;
 
   Elf32_Rel *section_relocs_iter =
       (Elf32_Rel *)OffsetToPointer(section_header->sh_offset);
 
-  uint32 section_relocs_count = section_header->sh_size /
-                                section_header->sh_entsize;
+  uint32_t section_relocs_count =
+      section_header->sh_size / section_header->sh_entsize;
 
   if (abs32_locations_.size() > section_relocs_count)
     match = false;
 
   if (!abs32_locations_.empty()) {
     std::vector<RVA>::iterator reloc_iter = abs32_locations_.begin();
 
-    for (uint32 i = 0; i < section_relocs_count; i++) {
+    for (uint32_t i = 0; i < section_relocs_count; i++) {
       if (section_relocs_iter->r_offset == *reloc_iter)
         break;
 
       if (!ParseSimpleRegion(file_offset, file_offset + sizeof(Elf32_Rel),
                              program))
         return false;
 
       file_offset += sizeof(Elf32_Rel);
       ++section_relocs_iter;
     }
@@ skipping 13 matching lines @@
       if (!program->EmitElfARMRelocationInstruction())
         return false;
     }
   }
 
   return ParseSimpleRegion(file_offset, section_end, program);
 }
 
 CheckBool DisassemblerElf32ARM::ParseRel32RelocsFromSection(
     const Elf32_Shdr* section_header) {
+  uint32_t start_file_offset = section_header->sh_offset;
+  uint32_t end_file_offset = start_file_offset + section_header->sh_size;
 
-  uint32 start_file_offset = section_header->sh_offset;
-  uint32 end_file_offset = start_file_offset + section_header->sh_size;
-
-  const uint8* start_pointer = OffsetToPointer(start_file_offset);
-  const uint8* end_pointer = OffsetToPointer(end_file_offset);
+  const uint8_t* start_pointer = OffsetToPointer(start_file_offset);
+  const uint8_t* end_pointer = OffsetToPointer(end_file_offset);
 
   // Quick way to convert from Pointer to RVA within a single Section is to
   // subtract 'pointer_to_rva'.
-  const uint8* const adjust_pointer_to_rva = start_pointer -
-                                             section_header->sh_addr;
+  const uint8_t* const adjust_pointer_to_rva =
+      start_pointer - section_header->sh_addr;
 
   // Find the rel32 relocations.
-  const uint8* p = start_pointer;
+  const uint8_t* p = start_pointer;
   bool on_32bit = 1; // 32-bit ARM ops appear on 32-bit boundaries, so track it
   while (p < end_pointer) {
     // Heuristic discovery of rel32 locations in instruction stream: are the
     // next few bytes the start of an instruction containing a rel32
     // addressing mode?
 
     TypedRVAARM* rel32_rva = NULL;
     RVA target_rva = 0;
     bool found = false;
 
     // 16-bit thumb ops
     if (!found && (p + 3) <= end_pointer) {
-      uint16 pval = Read16LittleEndian(p);
+      uint16_t pval = Read16LittleEndian(p);
       if ((pval & 0xF000) == 0xD000) {
         RVA rva = static_cast<RVA>(p - adjust_pointer_to_rva);
 
         rel32_rva = new TypedRVAARM(ARM_OFF8, rva);
-        if (!rel32_rva->ComputeRelativeTarget((uint8*) p)) {
+        if (!rel32_rva->ComputeRelativeTarget((uint8_t*)p)) {
           return false;
         }
         target_rva = rel32_rva->rva() + rel32_rva->relative_target();
         found = true;
       } else if ((pval & 0xF800) == 0xE000) {
         RVA rva = static_cast<RVA>(p - adjust_pointer_to_rva);
 
         rel32_rva = new TypedRVAARM(ARM_OFF11, rva);
-        if (!rel32_rva->ComputeRelativeTarget((uint8*) p)) {
+        if (!rel32_rva->ComputeRelativeTarget((uint8_t*)p)) {
           return false;
         }
         target_rva = rel32_rva->rva() + rel32_rva->relative_target();
         found = true;
       }
     }
 
     // thumb-2 ops comprised of two 16-bit words
     if (!found && (p + 5) <= end_pointer) {
       // This is really two 16-bit words, not one 32-bit word.
-      uint32 pval = (Read16LittleEndian(p) << 16) | Read16LittleEndian(p + 2);
+      uint32_t pval = (Read16LittleEndian(p) << 16) | Read16LittleEndian(p + 2);
       if ((pval & 0xF8008000) == 0xF0008000) {
         // Covers thumb-2's 32-bit conditional/unconditional branches
 
         if ( (pval & (1 << 14)) || (pval & (1 << 12)) ) {
           // A branch, with link, or with link and exchange.
           RVA rva = static_cast<RVA>(p - adjust_pointer_to_rva);
 
           rel32_rva = new TypedRVAARM(ARM_OFF25, rva);
-          if (!rel32_rva->ComputeRelativeTarget((uint8*) p)) {
+          if (!rel32_rva->ComputeRelativeTarget((uint8_t*)p)) {
             return false;
           }
           target_rva = rel32_rva->rva() + rel32_rva->relative_target();
           found = true;
         } else {
           // TODO(paulgazz) make sure cond is not 111
           // A conditional branch instruction
           RVA rva = static_cast<RVA>(p - adjust_pointer_to_rva);
 
           rel32_rva = new TypedRVAARM(ARM_OFF21, rva);
-          if (!rel32_rva->ComputeRelativeTarget((uint8*) p)) {
+          if (!rel32_rva->ComputeRelativeTarget((uint8_t*)p)) {
             return false;
           }
           target_rva = rel32_rva->rva() + rel32_rva->relative_target();
           found = true;
         }
       }
     }
 
     // 32-bit ARM ops
     if (!found && on_32bit && (p + 5) <= end_pointer) {
-      uint32 pval = Read32LittleEndian(p);
+      uint32_t pval = Read32LittleEndian(p);
       if ((pval & 0x0E000000) == 0x0A000000) {
         // Covers both 0x0A 0x0B ARM relative branches
         RVA rva = static_cast<RVA>(p - adjust_pointer_to_rva);
 
         rel32_rva = new TypedRVAARM(ARM_OFF24, rva);
-        if (!rel32_rva->ComputeRelativeTarget((uint8*) p)) {
+        if (!rel32_rva->ComputeRelativeTarget((uint8_t*)p)) {
           return false;
         }
         target_rva = rel32_rva->rva() + rel32_rva->relative_target();
         found = true;
       }
     }
 
     if (found && IsValidRVA(target_rva)) {
       rel32_locations_.push_back(rel32_rva);
 #if COURGETTE_HISTOGRAM_TARGETS
@@ skipping 13 matching lines @@
       // Move 2 bytes at a time, but track 32-bit boundaries
       p += 2;
       on_32bit = ((on_32bit + 1) % 2) != 0;
     }
   }
 
   return true;
 }
 
 }  // namespace courgette