#include "linux_assym.h" /* system definitions */ #include /* miscellaneous asm macros */ #include /* system call numbers */ .data .globl linux_platform linux_platform: .asciz "i686" .text ENTRY(linux_vdso_sigcode) .cfi_startproc .cfi_signal_frame .cfi_def_cfa %esp, LINUX_SIGF_SC .cfi_offset %gs, L_SC_GS .cfi_offset %fs, L_SC_FS .cfi_offset %es, L_SC_ES .cfi_offset %ds, L_SC_DS .cfi_offset %cs, L_SC_CS .cfi_offset %ss, L_SC_SS #ifdef __clang__ .cfi_offset %flags, L_SC_EFLAGS #else .cfi_offset %eflags, L_SC_EFLAGS #endif .cfi_offset %edi, L_SC_EDI .cfi_offset %esi, L_SC_ESI .cfi_offset %ebp, L_SC_EBP .cfi_offset %ebx, L_SC_EBX .cfi_offset %edx, L_SC_EDX .cfi_offset %ecx, L_SC_ECX .cfi_offset %eax, L_SC_EAX .cfi_offset %eip, L_SC_EIP .cfi_offset %esp, L_SC_ESP movl %esp, %ebx /* sigframe for sigreturn */ call *%edi /* call signal handler */ popl %eax /* gcc unwind code need this */ .cfi_def_cfa %esp, LINUX_SIGF_SC-4 movl $LINUX_SYS_linux_sigreturn, %eax int $0x80 0: jmp 0b .cfi_endproc END(linux_vdso_sigcode) ENTRY(linux_vdso_rt_sigcode) .cfi_startproc .cfi_signal_frame .cfi_def_cfa %esp, LINUX_RT_SIGF_UC + LINUX_RT_SIGF_SC .cfi_offset %gs, L_SC_GS .cfi_offset %fs, L_SC_FS .cfi_offset %es, L_SC_ES .cfi_offset %ds, L_SC_DS .cfi_offset %cs, L_SC_CS .cfi_offset %ss, L_SC_SS #ifdef __clang__ .cfi_offset %flags, L_SC_EFLAGS #else .cfi_offset %eflags, L_SC_EFLAGS #endif .cfi_offset %edi, L_SC_EDI .cfi_offset %esi, L_SC_ESI .cfi_offset %ebp, L_SC_EBP .cfi_offset %ebx, L_SC_EBX .cfi_offset %edx, L_SC_EDX .cfi_offset %ecx, L_SC_ECX .cfi_offset %eax, L_SC_EAX .cfi_offset %eip, L_SC_EIP .cfi_offset %esp, L_SC_ESP leal LINUX_RT_SIGF_UC(%esp), %ebx /* linux ucontext for rt_sigreturn */ call *%edi /* call signal handler */ movl $LINUX_SYS_linux_rt_sigreturn, %eax int $0x80 0: jmp 0b .cfi_endproc END(linux_vdso_rt_sigcode) ENTRY(__kernel_sigreturn) .cfi_startproc .cfi_signal_frame popl %eax /* gcc unwind code need this */ movl $LINUX_SYS_linux_sigreturn, %eax int $0x80 0: jmp 0b .cfi_endproc END(__kernel_sigreturn) ENTRY(__kernel_rt_sigreturn) .cfi_startproc .cfi_signal_frame movl $LINUX_SYS_linux_rt_sigreturn, %eax int $0x80 0: jmp 0b .cfi_endproc END(__kernel_rt_sigreturn) ENTRY(__kernel_vsyscall) .cfi_startproc int $0x80 ret .cfi_endproc END(__kernel_vsyscall) #if 0 .section .note.Linux, "a",@note .long 2f - 1f /* namesz */ .balign 4 .long 4f - 3f /* descsz */ .long 0 1: .asciz "Linux" 2: .balign 4 3: .long LINUX_VERSION_CODE 4: .balign 4 .previous #endif