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Make sure we use 64-bit pointers for stack address.

This commit is contained in:
Andrius Štikonas 2022-07-23 20:14:45 +01:00
parent 3317e845f5
commit a8e0dd50a2
2 changed files with 9 additions and 9 deletions
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10
amd64/Development/hex0.M1
View File

@ -72,7 +72,7 @@ DEFINE RET C3
DEFINE ROR_R9 49D1C9
DEFINE SHL_EBP_Immediate8 C1E5
DEFINE STOREI8_into_Address_RBX CB03
DEFINE SUBI8_ESP 83EC
DEFINE SUBI8_RSP 4883EC
DEFINE SUBI8_AL 2C
DEFINE XOR_EBX_EBX 31DB
DEFINE XOR_EDI_EDI 31FF
@ -99,7 +99,7 @@ DEFINE TEST_ESI_ESI 85F6
PUSH !0 # arg5 = NULL
COPY_R8_to_RSP # arg4 = image_handle
# arg1 = ImageHandle (already set)
SUBI8_ESP !32 # allocate shadow stack space for UEFI function
SUBI8_RSP !32 # allocate shadow stack space for UEFI function
CALL_R14 # system->boot->open_protocol(image_handle, &guid, &image, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
LOAD64_into_RAX_from_Address_RSP_Immediate8 !64 # get_image
@ -138,7 +138,7 @@ DEFINE TEST_ESI_ESI 85F6
PUSH !0 # arg5 = NULL
COPY_R8_to_RSP # arg4 = image_handle
LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # arg1 = root_device = image->device
SUBI8_ESP !32 # allocate shadow stack space for UEFI function
SUBI8_RSP !32 # allocate shadow stack space for UEFI function
CALL_R14 # system->boot->open_protocol(root_device, &guid, &rootfs, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
LOAD64_into_RCX_from_Address_RSP_Immediate8 !64 # get rootfs
@ -161,7 +161,7 @@ DEFINE TEST_ESI_ESI 85F6
ROR_R9 # arg4 = EFI_FILE_MODE_CREATE| EFI_FILE_MODE_WRITE | EFI_FILE_MODE_READ
COPY_R13_to_R8 # arg3 = out
COPY_R14_to_RCX # arg1 = rootdir
SUBI8_ESP !32 # allocate shadow stack space for UEFI function
SUBI8_RSP !32 # allocate shadow stack space for UEFI function
CALL_RCX_Immediate8 !8 # rootdir->open()
LOAD64_into_R13_from_Address_RSP_Immediate8 !40 # get fout
@ -173,7 +173,7 @@ DEFINE TEST_ESI_ESI 85F6
POP_R9 # arg4 = EFI_FILE_MODE_READ
COPY_R12_to_R8 # arg3 = in
COPY_R14_to_RCX # arg1 = rootdir
SUBI8_ESP !32 # allocate shadow stack space for UEFI function
SUBI8_RSP !32 # allocate shadow stack space for UEFI function
CALL_RCX_Immediate8 !8 # rootdir->open()
LOAD64_into_R12_from_Address_RSP_Immediate8 !40 # get fin

8
amd64/Development/hex0.S
View File

@ -41,7 +41,7 @@ _start:
push 0 # arg5 = NULL
mov r9, rcx # arg4 = image_handle
# arg1 = ImageHandle (already set)
sub esp, 32 # allocate shadow stack space for UEFI function
sub rsp, 32 # allocate shadow stack space for UEFI function
call r14 # system->boot->open_protocol(image_handle, &guid, &image, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
mov rax, [rsp+64] # get image
@ -80,7 +80,7 @@ loop_options2: # Skip argv[1]
push 0 # arg5 = NULL
mov r9, r15 # arg4 = image_handle
mov rcx, [rcx+24] # arg1 = root_device = image->device
sub esp, 32 # allocate shadow stack space for UEFI function
sub rsp, 32 # allocate shadow stack space for UEFI function
call r14 # system->boot->open_protocol(root_device, &guid, &rootfs, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL);
mov rcx, [rsp+64] # get rootfs
@ -103,7 +103,7 @@ loop_options2: # Skip argv[1]
ror r9 # arg4 = EFI_FILE_MODE_CREATE| EFI_FILE_MODE_WRITE | EFI_FILE_MODE_READ
mov r8, r13 # arg3 = out
mov rcx, r14 # arg1 = rootdir
sub esp, 32 # allocate shadow stack space for UEFI function
sub rsp, 32 # allocate shadow stack space for UEFI function
call [rcx+8] # rootdir->open()
mov r13, [rsp+40] # get fout
@ -115,7 +115,7 @@ loop_options2: # Skip argv[1]
pop r9 # arg4 = EFI_FILE_MODE_READ
mov r8, r12 # arg3 = in
mov rcx, r14 # arg1 = rootdir
sub esp, 32 # allocate shadow stack space for UEFI function
sub rsp, 32 # allocate shadow stack space for UEFI function
call [rcx+8] # rootdir->open()
mov r12, [rsp+40] # get fin