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@@ -109,19 +109,29 @@ IMAGE_BASE: | |
.section .text_no_sgx, "ax" | ||
.Lelf_entry_error_msg: | ||
.ascii "Error: This file is an SGX enclave which cannot be executed as a standard Linux binary.\nSee the installation guide at https://edp.fortanix.com/docs/installation/guide/ on how to use 'cargo run' or follow the steps at https://edp.fortanix.com/docs/tasks/deployment/ for manual deployment.\n" | ||
.Lelf_entry_error_msg_end: | ||
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.global elf_entry | ||
.type elf_entry,function | ||
elf_entry: | ||
/* print error message */ | ||
movq $1, %rax /* write() syscall */ | ||
movq $2, %rdi /* write to stderr */ | ||
lea .Lelf_entry_error_msg(%rip), %rsi | ||
movq $288, %rdx /* num chars to write */ | ||
movq $1,%rax /* write() syscall */ | ||
movq $2,%rdi /* write to stderr (fd 2) */ | ||
lea .Lelf_entry_error_msg(%rip),%rsi | ||
movq $.Lelf_entry_error_msg_end-.Lelf_entry_error_msg,%rdx | ||
.Lelf_entry_call: | ||
syscall | ||
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movq $60, %rax /* exit() syscall */ | ||
movq $0, %rdi /* error code */ | ||
test %rax,%rax | ||
jle .Lelf_exit /* exit on error */ | ||
add %rax,%rsi | ||
sub %rax,%rdx /* all chars written? */ | ||
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Pagten
Author
Contributor
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jnz .Lelf_entry_call | ||
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.Lelf_exit: | ||
movq $60,%rax /* exit() syscall */ | ||
movq $1,%rdi /* exit code 1 */ | ||
syscall | ||
ud2 /* should not be reached */ | ||
/* end elf_entry */ | ||
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.text | ||
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Does the syscall ABI specify that input registers are unchanged?