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-rw-r--r--arch/x86_64/ia32/ia32entry.S11
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S
index 4ec594ab1a98..c536fa98ea37 100644
--- a/arch/x86_64/ia32/ia32entry.S
+++ b/arch/x86_64/ia32/ia32entry.S
@@ -155,6 +155,7 @@ sysenter_tracesys:
155 .previous 155 .previous
156 jmp sysenter_do_call 156 jmp sysenter_do_call
157 CFI_ENDPROC 157 CFI_ENDPROC
158ENDPROC(ia32_sysenter_target)
158 159
159/* 160/*
160 * 32bit SYSCALL instruction entry. 161 * 32bit SYSCALL instruction entry.
@@ -178,7 +179,7 @@ sysenter_tracesys:
178 */ 179 */
179ENTRY(ia32_cstar_target) 180ENTRY(ia32_cstar_target)
180 CFI_STARTPROC32 simple 181 CFI_STARTPROC32 simple
181 CFI_DEF_CFA rsp,0 182 CFI_DEF_CFA rsp,PDA_STACKOFFSET
182 CFI_REGISTER rip,rcx 183 CFI_REGISTER rip,rcx
183 /*CFI_REGISTER rflags,r11*/ 184 /*CFI_REGISTER rflags,r11*/
184 swapgs 185 swapgs
@@ -249,6 +250,7 @@ cstar_tracesys:
249 .quad 1b,ia32_badarg 250 .quad 1b,ia32_badarg
250 .previous 251 .previous
251 jmp cstar_do_call 252 jmp cstar_do_call
253END(ia32_cstar_target)
252 254
253ia32_badarg: 255ia32_badarg:
254 movq $-EFAULT,%rax 256 movq $-EFAULT,%rax
@@ -314,16 +316,13 @@ ia32_tracesys:
314 LOAD_ARGS ARGOFFSET /* reload args from stack in case ptrace changed it */ 316 LOAD_ARGS ARGOFFSET /* reload args from stack in case ptrace changed it */
315 RESTORE_REST 317 RESTORE_REST
316 jmp ia32_do_syscall 318 jmp ia32_do_syscall
319END(ia32_syscall)
317 320
318ia32_badsys: 321ia32_badsys:
319 movq $0,ORIG_RAX-ARGOFFSET(%rsp) 322 movq $0,ORIG_RAX-ARGOFFSET(%rsp)
320 movq $-ENOSYS,RAX-ARGOFFSET(%rsp) 323 movq $-ENOSYS,RAX-ARGOFFSET(%rsp)
321 jmp int_ret_from_sys_call 324 jmp int_ret_from_sys_call
322 325
323ni_syscall:
324 movq %rax,%rdi
325 jmp sys32_ni_syscall
326
327quiet_ni_syscall: 326quiet_ni_syscall:
328 movq $-ENOSYS,%rax 327 movq $-ENOSYS,%rax
329 ret 328 ret
@@ -370,10 +369,10 @@ ENTRY(ia32_ptregs_common)
370 RESTORE_REST 369 RESTORE_REST
371 jmp ia32_sysret /* misbalances the return cache */ 370 jmp ia32_sysret /* misbalances the return cache */
372 CFI_ENDPROC 371 CFI_ENDPROC
372END(ia32_ptregs_common)
373 373
374 .section .rodata,"a" 374 .section .rodata,"a"
375 .align 8 375 .align 8
376 .globl ia32_sys_call_table
377ia32_sys_call_table: 376ia32_sys_call_table:
378 .quad sys_restart_syscall 377 .quad sys_restart_syscall
379 .quad sys_exit 378 .quad sys_exit