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Swap module mapping to NoFlags, remove offset code

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Since real hardware has no gap between module mappings, the Fixed flag is just an annoyance to work around, and has no impact on the actual mappings.
Swapping the module mappings to use flags NoFlags instead simplifies our code slightly.
This commit is contained in:
Stephen Miller 2025-05-03 21:27:24 -05:00
parent d66c8d6282
commit ecffd80ba2
1 changed files with 2 additions and 4 deletions
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6
src/core/module.cpp
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@ -20,7 +20,6 @@ namespace Core {
using EntryFunc = PS4_SYSV_ABI int (*)(size_t args, const void* argp, void* param);
static constexpr u64 ModuleLoadBase = 0x800000000;
static u64 LoadOffset = 0;
static u64 GetAlignedSize(const elf_program_header& phdr) {
return (phdr.p_align != 0 ? (phdr.p_memsz + (phdr.p_align - 1)) & ~(phdr.p_align - 1)
@ -113,9 +112,8 @@ void Module::LoadModuleToMemory(u32& max_tls_index) {
// Map module segments (and possible TLS trampolines)
void** out_addr = reinterpret_cast<void**>(&base_virtual_addr);
memory->MapMemory(out_addr, ModuleLoadBase + LoadOffset, aligned_base_size + TrampolineSize,
MemoryProt::CpuReadWrite, MemoryMapFlags::Fixed, VMAType::Code, name, true);
LoadOffset += aligned_base_size + TrampolineSize;
memory->MapMemory(out_addr, ModuleLoadBase, aligned_base_size + TrampolineSize,
MemoryProt::CpuReadWrite, MemoryMapFlags::NoFlags, VMAType::Code, name, true);
LOG_INFO(Core_Linker, "Loading module {} to {}", name, fmt::ptr(*out_addr));
#ifdef ARCH_X86_64