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-rw-r--r--src/core/hle/service/jit/jit_context.cpp32
1 files changed, 8 insertions, 24 deletions
diff --git a/src/core/hle/service/jit/jit_context.cpp b/src/core/hle/service/jit/jit_context.cpp
index 19bd85b6c..4ed3f02e2 100644
--- a/src/core/hle/service/jit/jit_context.cpp
+++ b/src/core/hle/service/jit/jit_context.cpp
@@ -11,10 +11,13 @@
11#include "common/alignment.h" 11#include "common/alignment.h"
12#include "common/common_funcs.h" 12#include "common/common_funcs.h"
13#include "common/div_ceil.h" 13#include "common/div_ceil.h"
14#include "common/elf.h"
14#include "common/logging/log.h" 15#include "common/logging/log.h"
15#include "core/hle/service/jit/jit_context.h" 16#include "core/hle/service/jit/jit_context.h"
16#include "core/memory.h" 17#include "core/memory.h"
17 18
19using namespace Common::ELF;
20
18namespace Service::JIT { 21namespace Service::JIT {
19 22
20constexpr std::array<u8, 8> SVC0_ARM64 = { 23constexpr std::array<u8, 8> SVC0_ARM64 = {
@@ -26,25 +29,6 @@ constexpr std::array HELPER_FUNCTIONS{
26 "_stop", "_resolve", "_panic", "memcpy", "memmove", "memset", 29 "_stop", "_resolve", "_panic", "memcpy", "memmove", "memset",
27}; 30};
28 31
29struct Elf64_Dyn {
30 u64 d_tag;
31 u64 d_un;
32};
33
34struct Elf64_Rela {
35 u64 r_offset;
36 u64 r_info;
37 s64 r_addend;
38};
39
40static constexpr u32 Elf64_RelaType(const Elf64_Rela* rela) {
41 return static_cast<u32>(rela->r_info);
42}
43
44constexpr int DT_RELA = 7; /* Address of Rela relocs */
45constexpr int DT_RELASZ = 8; /* Total size of Rela relocs */
46constexpr int R_AARCH64_RELATIVE = 1027; /* Adjust by program base. */
47
48constexpr size_t STACK_ALIGN = 16; 32constexpr size_t STACK_ALIGN = 16;
49 33
50class JITContextImpl; 34class JITContextImpl;
@@ -206,17 +190,17 @@ public:
206 if (!dyn.d_tag) { 190 if (!dyn.d_tag) {
207 break; 191 break;
208 } 192 }
209 if (dyn.d_tag == DT_RELA) { 193 if (dyn.d_tag == ElfDtRela) {
210 rela_dyn = dyn.d_un; 194 rela_dyn = dyn.d_un.d_ptr;
211 } 195 }
212 if (dyn.d_tag == DT_RELASZ) { 196 if (dyn.d_tag == ElfDtRelasz) {
213 num_rela = dyn.d_un / sizeof(Elf64_Rela); 197 num_rela = dyn.d_un.d_val / sizeof(Elf64_Rela);
214 } 198 }
215 } 199 }
216 200
217 for (size_t i = 0; i < num_rela; i++) { 201 for (size_t i = 0; i < num_rela; i++) {
218 const auto rela{callbacks->ReadMemory<Elf64_Rela>(rela_dyn + i * sizeof(Elf64_Rela))}; 202 const auto rela{callbacks->ReadMemory<Elf64_Rela>(rela_dyn + i * sizeof(Elf64_Rela))};
219 if (Elf64_RelaType(&rela) != R_AARCH64_RELATIVE) { 203 if (Elf64RelType(rela.r_info) != ElfAArch64Relative) {
220 continue; 204 continue;
221 } 205 }
222 const VAddr contents{callbacks->MemoryRead64(rela.r_offset)}; 206 const VAddr contents{callbacks->MemoryRead64(rela.r_offset)};