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Clarify IOSurface physmap setup return

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khanhduytran0
2026-06-04 09:52:12 +07:00
parent a9006b2549
commit 05816d7e52
1 changed files with 15 additions and 14 deletions
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src/payload_377bed/entry1_type0x09.m
+15 -14
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@@ -264,7 +264,7 @@ __int64 __fastcall free_macho_image_vm(__int64 a1);
bool __fastcall map_macho_image_vm(__int64 a1);
bool __fastcall alloc_kernel_offset_table(__int64 a1, __int64 a2);
bool __fastcall iosurface_physmap_setup_bool(__int64 a1, int a2, __int64 a3, unsigned int a4);
void *__fastcall iosurface_physmap_setup(__int64 a1, int a2, __int64 a3, unsigned int a4);
bool __fastcall iosurface_physmap_setup(__int64 a1, int a2, __int64 a3, unsigned int a4);
bool __fastcall iosurface_physmap_setup_alt(__int64 a1, int a2, __int64 a3, int a4);
void __fastcall free_kernel_image_resources(__int64 a1);
__int64 __fastcall krw_ctx_setup_physmap(__int64 a1, uint64_t **a2, __int64 a3);
@@ -16703,13 +16703,13 @@ bool __fastcall alloc_kernel_offset_table(__int64 a1, __int64 a2)
//----- (000000000001A0D4) ----------------------------------------------------
bool __fastcall iosurface_physmap_setup_bool(__int64 a1, int a2, __int64 a3, unsigned int a4)
{
return (unsigned int)iosurface_physmap_setup(a1, a2, a3, a4) != 0;
return iosurface_physmap_setup(a1, a2, a3, a4);
}
//----- (000000000001A0F4) ----------------------------------------------------
void *__fastcall iosurface_physmap_setup(__int64 a1, int a2, __int64 a3, unsigned int a4)
bool __fastcall iosurface_physmap_setup(__int64 a1, int a2, __int64 a3, unsigned int a4)
{
void *result; // x0
bool result; // w0
__int64 v9; // x23
int *v10; // x9
__int64 v11; // x24
@@ -16742,11 +16742,12 @@ void *__fastcall iosurface_physmap_setup(__int64 a1, int a2, __int64 a3, unsigne
unsigned __int64 v41; // x9
bool v42; // cf
unsigned __int64 v43; // x9
void *segments; // x0
__int64 v44; // [xsp+0h] [xbp-70h]
uint64_t v45[3]; // [xsp+8h] [xbp-68h] BYREF
result = alloc_kernel_offset_table(a1, a3);
if ( !(uint32_t)result )
if ( !result )
return result;
*(uint32_t *)(a1 + 216) = a2;
*(uint8_t *)(a1 + 256) = 1;
@@ -16810,16 +16811,16 @@ LABEL_27:
if ( !v16 )
return 0;
*(uint32_t *)(a1 + 8) = v16;
result = malloc(56LL * v16);
*(uint64_t *)a1 = result;
if ( !result )
return result;
segments = malloc(56LL * v16);
*(uint64_t *)a1 = (uint64_t)segments;
if ( !segments )
return false;
*(uint64_t *)(a1 + 272) = "__TEXT";
v20 = v9 + 32;
v21 = v9 + 32 + v11;
if ( v9 + 32 < v21 )
{
v22 = (__int64)result;
v22 = (__int64)segments;
do
{
if ( *(uint32_t *)v20 == 25 )
@@ -16860,7 +16861,7 @@ LABEL_27:
}
}
if ( (a4 & 0x40) != 0 )
return &def_3E8F0 + 1;
return true;
v26 = **(int8x16_t ***)(a1 + 208);
v27 = v26 + 2;
v28 = v26[1].u32[1];
@@ -16919,7 +16920,7 @@ LABEL_54:
continue;
break;
}
result = 0;
result = false;
if ( ((v31 == 0) & (a4 >> 8)) == 0 && v30 )
{
if ( (~a4 & 0x500) == 0 && *(uint64_t *)(a1 + 160) )
@@ -16934,7 +16935,7 @@ LABEL_54:
{
*(uint64_t *)(a1 + 224) = v40;
*(uint64_t *)(a1 + 232) = v43;
return (void *)map_macho_image_vm(a1);
return map_macho_image_vm(a1) != 0;
}
else
{
@@ -16948,7 +16949,7 @@ LABEL_54:
//----- (000000000001A4FC) ----------------------------------------------------
bool __fastcall iosurface_physmap_setup_alt(__int64 a1, int a2, __int64 a3, int a4)
{
return (unsigned int)iosurface_physmap_setup(a1, a2, a3, a4 | 0x100u) != 0;
return iosurface_physmap_setup(a1, a2, a3, a4 | 0x100u);
}
//----- (000000000001A520) ----------------------------------------------------