The Tor Browser: js/src/assembler/jit/ExecutableAllocator.cpp@925c144e1f1f

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    28 #include "assembler/jit/ExecutableAllocator.h"

    30 #include "js/MemoryMetrics.h"

    32 #if ENABLE_ASSEMBLER

    34 namespace JSC {

    36 size_t ExecutableAllocator::pageSize = 0;

    37 size_t ExecutableAllocator::largeAllocSize = 0;

    39 ExecutablePool::~ExecutablePool()

    40 {

    41     MOZ_ASSERT(m_ionCodeBytes == 0);

    42     MOZ_ASSERT(m_baselineCodeBytes == 0);

    43     MOZ_ASSERT(m_regexpCodeBytes == 0);

    44     MOZ_ASSERT(m_otherCodeBytes == 0);

    46     m_allocator->releasePoolPages(this);

    47 }

    49 void

    50 ExecutableAllocator::addSizeOfCode(JS::CodeSizes *sizes) const

    51 {

    52     if (m_pools.initialized()) {

    53         for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) {

    54             ExecutablePool* pool = r.front();

    55             sizes->ion      += pool->m_ionCodeBytes;

    56             sizes->baseline += pool->m_baselineCodeBytes;

    57             sizes->regexp   += pool->m_regexpCodeBytes;

    58             sizes->other    += pool->m_otherCodeBytes;

    59             sizes->unused   += pool->m_allocation.size - pool->m_ionCodeBytes

    60                                                        - pool->m_baselineCodeBytes

    61                                                        - pool->m_regexpCodeBytes

    62                                                        - pool->m_otherCodeBytes;

    63         }

    64     }

    65 }

    67 void

    68 ExecutableAllocator::toggleAllCodeAsAccessible(bool accessible)

    69 {

    70     if (!m_pools.initialized())

    71         return;

    73     for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) {

    74         ExecutablePool* pool = r.front();

    75         pool->toggleAllCodeAsAccessible(accessible);

    76     }

    77 }

    79 bool

    80 ExecutableAllocator::codeContains(char* address)

    81 {

    82     if (!m_pools.initialized())

    83         return false;

    85     for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) {

    86         ExecutablePool* pool = r.front();

    87         if (pool->codeContains(address))

    88             return true;

    89     }

    91     return false;

    92 }

    94 }

    96 #endif // HAVE(ASSEMBLER)

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