diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 16:20:32 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 16:20:32 -0400 |
| commit | 214515b5787a1035b2c8807abe8be569de63b2f6 (patch) | |
| tree | f169eb1702e7e1369fa6d25bcec2b79359bad94a | |
| parent | bf70030dc0b031f000c74721f2e9c88686b7da6d (diff) | |
| parent | d0ed0c32662e756e7daf85e70a5a27a9c1111331 (diff) | |
Merge branch 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Remove pr_<level> uses of KERN_<level>
therm_throt.c: Trivial printk message fix for a unsuitable abbreviation of 'thermal'
x86: Use {push,pop}{l,q}_cfi in more places
i386: Add unwind directives to syscall ptregs stubs
x86-64: Use symbolics instead of raw numbers in entry_64.S
x86-64: Adjust frame type at paranoid_exit:
x86-64: Fix unwind annotations in syscall stubs
| -rw-r--r-- | arch/x86/include/asm/dwarf2.h | 20 | ||||
| -rw-r--r-- | arch/x86/kernel/apb_timer.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/therm_throt.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/entry_32.S | 310 | ||||
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 108 |
5 files changed, 177 insertions, 267 deletions
diff --git a/arch/x86/include/asm/dwarf2.h b/arch/x86/include/asm/dwarf2.h index 733f7e91e7a9..326099199318 100644 --- a/arch/x86/include/asm/dwarf2.h +++ b/arch/x86/include/asm/dwarf2.h | |||
| @@ -89,6 +89,16 @@ | |||
| 89 | CFI_ADJUST_CFA_OFFSET -8 | 89 | CFI_ADJUST_CFA_OFFSET -8 |
| 90 | .endm | 90 | .endm |
| 91 | 91 | ||
| 92 | .macro pushfq_cfi | ||
| 93 | pushfq | ||
| 94 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 95 | .endm | ||
| 96 | |||
| 97 | .macro popfq_cfi | ||
| 98 | popfq | ||
| 99 | CFI_ADJUST_CFA_OFFSET -8 | ||
| 100 | .endm | ||
| 101 | |||
| 92 | .macro movq_cfi reg offset=0 | 102 | .macro movq_cfi reg offset=0 |
| 93 | movq %\reg, \offset(%rsp) | 103 | movq %\reg, \offset(%rsp) |
| 94 | CFI_REL_OFFSET \reg, \offset | 104 | CFI_REL_OFFSET \reg, \offset |
| @@ -109,6 +119,16 @@ | |||
| 109 | CFI_ADJUST_CFA_OFFSET -4 | 119 | CFI_ADJUST_CFA_OFFSET -4 |
| 110 | .endm | 120 | .endm |
| 111 | 121 | ||
| 122 | .macro pushfl_cfi | ||
| 123 | pushfl | ||
| 124 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 125 | .endm | ||
| 126 | |||
| 127 | .macro popfl_cfi | ||
| 128 | popfl | ||
| 129 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 130 | .endm | ||
| 131 | |||
| 112 | .macro movl_cfi reg offset=0 | 132 | .macro movl_cfi reg offset=0 |
| 113 | movl %\reg, \offset(%esp) | 133 | movl %\reg, \offset(%esp) |
| 114 | CFI_REL_OFFSET \reg, \offset | 134 | CFI_REL_OFFSET \reg, \offset |
diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c index 08f75fb4f509..6fe2b5cb4f3c 100644 --- a/arch/x86/kernel/apb_timer.c +++ b/arch/x86/kernel/apb_timer.c | |||
| @@ -398,7 +398,7 @@ static int apbt_cpuhp_notify(struct notifier_block *n, | |||
| 398 | } | 398 | } |
| 399 | break; | 399 | break; |
| 400 | default: | 400 | default: |
| 401 | pr_debug(KERN_INFO "APBT notified %lu, no action\n", action); | 401 | pr_debug("APBT notified %lu, no action\n", action); |
| 402 | } | 402 | } |
| 403 | return NOTIFY_OK; | 403 | return NOTIFY_OK; |
| 404 | } | 404 | } |
| @@ -552,7 +552,7 @@ bad_count: | |||
| 552 | pr_debug("APB CS going back %lx:%lx:%lx ", | 552 | pr_debug("APB CS going back %lx:%lx:%lx ", |
| 553 | t2, last_read, t2 - last_read); | 553 | t2, last_read, t2 - last_read); |
| 554 | bad_count_x3: | 554 | bad_count_x3: |
| 555 | pr_debug(KERN_INFO "tripple check enforced\n"); | 555 | pr_debug("triple check enforced\n"); |
| 556 | t0 = apbt_readl(phy_cs_timer_id, | 556 | t0 = apbt_readl(phy_cs_timer_id, |
| 557 | APBTMR_N_CURRENT_VALUE); | 557 | APBTMR_N_CURRENT_VALUE); |
| 558 | udelay(1); | 558 | udelay(1); |
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c index 169d8804a9f8..4b683267eca5 100644 --- a/arch/x86/kernel/cpu/mcheck/therm_throt.c +++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c | |||
| @@ -350,7 +350,7 @@ static void intel_thermal_interrupt(void) | |||
| 350 | 350 | ||
| 351 | static void unexpected_thermal_interrupt(void) | 351 | static void unexpected_thermal_interrupt(void) |
| 352 | { | 352 | { |
| 353 | printk(KERN_ERR "CPU%d: Unexpected LVT TMR interrupt!\n", | 353 | printk(KERN_ERR "CPU%d: Unexpected LVT thermal interrupt!\n", |
| 354 | smp_processor_id()); | 354 | smp_processor_id()); |
| 355 | add_taint(TAINT_MACHINE_CHECK); | 355 | add_taint(TAINT_MACHINE_CHECK); |
| 356 | } | 356 | } |
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 227d00920d2f..9fb188d7bc76 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S | |||
| @@ -115,8 +115,7 @@ | |||
| 115 | 115 | ||
| 116 | /* unfortunately push/pop can't be no-op */ | 116 | /* unfortunately push/pop can't be no-op */ |
| 117 | .macro PUSH_GS | 117 | .macro PUSH_GS |
| 118 | pushl $0 | 118 | pushl_cfi $0 |
| 119 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 120 | .endm | 119 | .endm |
| 121 | .macro POP_GS pop=0 | 120 | .macro POP_GS pop=0 |
| 122 | addl $(4 + \pop), %esp | 121 | addl $(4 + \pop), %esp |
| @@ -140,14 +139,12 @@ | |||
| 140 | #else /* CONFIG_X86_32_LAZY_GS */ | 139 | #else /* CONFIG_X86_32_LAZY_GS */ |
| 141 | 140 | ||
| 142 | .macro PUSH_GS | 141 | .macro PUSH_GS |
| 143 | pushl %gs | 142 | pushl_cfi %gs |
| 144 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 145 | /*CFI_REL_OFFSET gs, 0*/ | 143 | /*CFI_REL_OFFSET gs, 0*/ |
| 146 | .endm | 144 | .endm |
| 147 | 145 | ||
| 148 | .macro POP_GS pop=0 | 146 | .macro POP_GS pop=0 |
| 149 | 98: popl %gs | 147 | 98: popl_cfi %gs |
| 150 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 151 | /*CFI_RESTORE gs*/ | 148 | /*CFI_RESTORE gs*/ |
| 152 | .if \pop <> 0 | 149 | .if \pop <> 0 |
| 153 | add $\pop, %esp | 150 | add $\pop, %esp |
| @@ -195,35 +192,25 @@ | |||
| 195 | .macro SAVE_ALL | 192 | .macro SAVE_ALL |
| 196 | cld | 193 | cld |
| 197 | PUSH_GS | 194 | PUSH_GS |
| 198 | pushl %fs | 195 | pushl_cfi %fs |
| 199 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 200 | /*CFI_REL_OFFSET fs, 0;*/ | 196 | /*CFI_REL_OFFSET fs, 0;*/ |
| 201 | pushl %es | 197 | pushl_cfi %es |
| 202 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 203 | /*CFI_REL_OFFSET es, 0;*/ | 198 | /*CFI_REL_OFFSET es, 0;*/ |
| 204 | pushl %ds | 199 | pushl_cfi %ds |
| 205 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 206 | /*CFI_REL_OFFSET ds, 0;*/ | 200 | /*CFI_REL_OFFSET ds, 0;*/ |
| 207 | pushl %eax | 201 | pushl_cfi %eax |
| 208 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 209 | CFI_REL_OFFSET eax, 0 | 202 | CFI_REL_OFFSET eax, 0 |
| 210 | pushl %ebp | 203 | pushl_cfi %ebp |
| 211 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 212 | CFI_REL_OFFSET ebp, 0 | 204 | CFI_REL_OFFSET ebp, 0 |
| 213 | pushl %edi | 205 | pushl_cfi %edi |
| 214 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 215 | CFI_REL_OFFSET edi, 0 | 206 | CFI_REL_OFFSET edi, 0 |
| 216 | pushl %esi | 207 | pushl_cfi %esi |
| 217 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 218 | CFI_REL_OFFSET esi, 0 | 208 | CFI_REL_OFFSET esi, 0 |
| 219 | pushl %edx | 209 | pushl_cfi %edx |
| 220 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 221 | CFI_REL_OFFSET edx, 0 | 210 | CFI_REL_OFFSET edx, 0 |
| 222 | pushl %ecx | 211 | pushl_cfi %ecx |
| 223 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 224 | CFI_REL_OFFSET ecx, 0 | 212 | CFI_REL_OFFSET ecx, 0 |
| 225 | pushl %ebx | 213 | pushl_cfi %ebx |
| 226 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 227 | CFI_REL_OFFSET ebx, 0 | 214 | CFI_REL_OFFSET ebx, 0 |
| 228 | movl $(__USER_DS), %edx | 215 | movl $(__USER_DS), %edx |
| 229 | movl %edx, %ds | 216 | movl %edx, %ds |
| @@ -234,39 +221,29 @@ | |||
| 234 | .endm | 221 | .endm |
| 235 | 222 | ||
| 236 | .macro RESTORE_INT_REGS | 223 | .macro RESTORE_INT_REGS |
| 237 | popl %ebx | 224 | popl_cfi %ebx |
| 238 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 239 | CFI_RESTORE ebx | 225 | CFI_RESTORE ebx |
| 240 | popl %ecx | 226 | popl_cfi %ecx |
| 241 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 242 | CFI_RESTORE ecx | 227 | CFI_RESTORE ecx |
| 243 | popl %edx | 228 | popl_cfi %edx |
| 244 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 245 | CFI_RESTORE edx | 229 | CFI_RESTORE edx |
| 246 | popl %esi | 230 | popl_cfi %esi |
| 247 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 248 | CFI_RESTORE esi | 231 | CFI_RESTORE esi |
| 249 | popl %edi | 232 | popl_cfi %edi |
| 250 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 251 | CFI_RESTORE edi | 233 | CFI_RESTORE edi |
| 252 | popl %ebp | 234 | popl_cfi %ebp |
| 253 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 254 | CFI_RESTORE ebp | 235 | CFI_RESTORE ebp |
| 255 | popl %eax | 236 | popl_cfi %eax |
| 256 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 257 | CFI_RESTORE eax | 237 | CFI_RESTORE eax |
| 258 | .endm | 238 | .endm |
| 259 | 239 | ||
| 260 | .macro RESTORE_REGS pop=0 | 240 | .macro RESTORE_REGS pop=0 |
| 261 | RESTORE_INT_REGS | 241 | RESTORE_INT_REGS |
| 262 | 1: popl %ds | 242 | 1: popl_cfi %ds |
| 263 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 264 | /*CFI_RESTORE ds;*/ | 243 | /*CFI_RESTORE ds;*/ |
| 265 | 2: popl %es | 244 | 2: popl_cfi %es |
| 266 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 267 | /*CFI_RESTORE es;*/ | 245 | /*CFI_RESTORE es;*/ |
| 268 | 3: popl %fs | 246 | 3: popl_cfi %fs |
| 269 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 270 | /*CFI_RESTORE fs;*/ | 247 | /*CFI_RESTORE fs;*/ |
| 271 | POP_GS \pop | 248 | POP_GS \pop |
| 272 | .pushsection .fixup, "ax" | 249 | .pushsection .fixup, "ax" |
| @@ -320,16 +297,12 @@ | |||
| 320 | 297 | ||
| 321 | ENTRY(ret_from_fork) | 298 | ENTRY(ret_from_fork) |
| 322 | CFI_STARTPROC | 299 | CFI_STARTPROC |
| 323 | pushl %eax | 300 | pushl_cfi %eax |
| 324 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 325 | call schedule_tail | 301 | call schedule_tail |
| 326 | GET_THREAD_INFO(%ebp) | 302 | GET_THREAD_INFO(%ebp) |
| 327 | popl %eax | 303 | popl_cfi %eax |
| 328 | CFI_ADJUST_CFA_OFFSET -4 | 304 | pushl_cfi $0x0202 # Reset kernel eflags |
| 329 | pushl $0x0202 # Reset kernel eflags | 305 | popfl_cfi |
| 330 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 331 | popfl | ||
| 332 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 333 | jmp syscall_exit | 306 | jmp syscall_exit |
| 334 | CFI_ENDPROC | 307 | CFI_ENDPROC |
| 335 | END(ret_from_fork) | 308 | END(ret_from_fork) |
| @@ -409,29 +382,23 @@ sysenter_past_esp: | |||
| 409 | * enough kernel state to call TRACE_IRQS_OFF can be called - but | 382 | * enough kernel state to call TRACE_IRQS_OFF can be called - but |
| 410 | * we immediately enable interrupts at that point anyway. | 383 | * we immediately enable interrupts at that point anyway. |
| 411 | */ | 384 | */ |
| 412 | pushl $(__USER_DS) | 385 | pushl_cfi $(__USER_DS) |
| 413 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 414 | /*CFI_REL_OFFSET ss, 0*/ | 386 | /*CFI_REL_OFFSET ss, 0*/ |
| 415 | pushl %ebp | 387 | pushl_cfi %ebp |
| 416 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 417 | CFI_REL_OFFSET esp, 0 | 388 | CFI_REL_OFFSET esp, 0 |
| 418 | pushfl | 389 | pushfl_cfi |
| 419 | orl $X86_EFLAGS_IF, (%esp) | 390 | orl $X86_EFLAGS_IF, (%esp) |
| 420 | CFI_ADJUST_CFA_OFFSET 4 | 391 | pushl_cfi $(__USER_CS) |
| 421 | pushl $(__USER_CS) | ||
| 422 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 423 | /*CFI_REL_OFFSET cs, 0*/ | 392 | /*CFI_REL_OFFSET cs, 0*/ |
| 424 | /* | 393 | /* |
| 425 | * Push current_thread_info()->sysenter_return to the stack. | 394 | * Push current_thread_info()->sysenter_return to the stack. |
| 426 | * A tiny bit of offset fixup is necessary - 4*4 means the 4 words | 395 | * A tiny bit of offset fixup is necessary - 4*4 means the 4 words |
| 427 | * pushed above; +8 corresponds to copy_thread's esp0 setting. | 396 | * pushed above; +8 corresponds to copy_thread's esp0 setting. |
| 428 | */ | 397 | */ |
| 429 | pushl (TI_sysenter_return-THREAD_SIZE+8+4*4)(%esp) | 398 | pushl_cfi (TI_sysenter_return-THREAD_SIZE+8+4*4)(%esp) |
| 430 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 431 | CFI_REL_OFFSET eip, 0 | 399 | CFI_REL_OFFSET eip, 0 |
| 432 | 400 | ||
| 433 | pushl %eax | 401 | pushl_cfi %eax |
| 434 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 435 | SAVE_ALL | 402 | SAVE_ALL |
| 436 | ENABLE_INTERRUPTS(CLBR_NONE) | 403 | ENABLE_INTERRUPTS(CLBR_NONE) |
| 437 | 404 | ||
| @@ -486,8 +453,7 @@ sysenter_audit: | |||
| 486 | movl %eax,%edx /* 2nd arg: syscall number */ | 453 | movl %eax,%edx /* 2nd arg: syscall number */ |
| 487 | movl $AUDIT_ARCH_I386,%eax /* 1st arg: audit arch */ | 454 | movl $AUDIT_ARCH_I386,%eax /* 1st arg: audit arch */ |
| 488 | call audit_syscall_entry | 455 | call audit_syscall_entry |
| 489 | pushl %ebx | 456 | pushl_cfi %ebx |
| 490 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 491 | movl PT_EAX(%esp),%eax /* reload syscall number */ | 457 | movl PT_EAX(%esp),%eax /* reload syscall number */ |
| 492 | jmp sysenter_do_call | 458 | jmp sysenter_do_call |
| 493 | 459 | ||
| @@ -529,8 +495,7 @@ ENDPROC(ia32_sysenter_target) | |||
| 529 | # system call handler stub | 495 | # system call handler stub |
| 530 | ENTRY(system_call) | 496 | ENTRY(system_call) |
| 531 | RING0_INT_FRAME # can't unwind into user space anyway | 497 | RING0_INT_FRAME # can't unwind into user space anyway |
| 532 | pushl %eax # save orig_eax | 498 | pushl_cfi %eax # save orig_eax |
| 533 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 534 | SAVE_ALL | 499 | SAVE_ALL |
| 535 | GET_THREAD_INFO(%ebp) | 500 | GET_THREAD_INFO(%ebp) |
| 536 | # system call tracing in operation / emulation | 501 | # system call tracing in operation / emulation |
| @@ -566,7 +531,6 @@ restore_all_notrace: | |||
| 566 | je ldt_ss # returning to user-space with LDT SS | 531 | je ldt_ss # returning to user-space with LDT SS |
| 567 | restore_nocheck: | 532 | restore_nocheck: |
| 568 | RESTORE_REGS 4 # skip orig_eax/error_code | 533 | RESTORE_REGS 4 # skip orig_eax/error_code |
| 569 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 570 | irq_return: | 534 | irq_return: |
| 571 | INTERRUPT_RETURN | 535 | INTERRUPT_RETURN |
| 572 | .section .fixup,"ax" | 536 | .section .fixup,"ax" |
| @@ -619,10 +583,8 @@ ldt_ss: | |||
| 619 | shr $16, %edx | 583 | shr $16, %edx |
| 620 | mov %dl, GDT_ESPFIX_SS + 4 /* bits 16..23 */ | 584 | mov %dl, GDT_ESPFIX_SS + 4 /* bits 16..23 */ |
| 621 | mov %dh, GDT_ESPFIX_SS + 7 /* bits 24..31 */ | 585 | mov %dh, GDT_ESPFIX_SS + 7 /* bits 24..31 */ |
| 622 | pushl $__ESPFIX_SS | 586 | pushl_cfi $__ESPFIX_SS |
| 623 | CFI_ADJUST_CFA_OFFSET 4 | 587 | pushl_cfi %eax /* new kernel esp */ |
| 624 | push %eax /* new kernel esp */ | ||
| 625 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 626 | /* Disable interrupts, but do not irqtrace this section: we | 588 | /* Disable interrupts, but do not irqtrace this section: we |
| 627 | * will soon execute iret and the tracer was already set to | 589 | * will soon execute iret and the tracer was already set to |
| 628 | * the irqstate after the iret */ | 590 | * the irqstate after the iret */ |
| @@ -666,11 +628,9 @@ work_notifysig: # deal with pending signals and | |||
| 666 | 628 | ||
| 667 | ALIGN | 629 | ALIGN |
| 668 | work_notifysig_v86: | 630 | work_notifysig_v86: |
| 669 | pushl %ecx # save ti_flags for do_notify_resume | 631 | pushl_cfi %ecx # save ti_flags for do_notify_resume |
| 670 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 671 | call save_v86_state # %eax contains pt_regs pointer | 632 | call save_v86_state # %eax contains pt_regs pointer |
| 672 | popl %ecx | 633 | popl_cfi %ecx |
| 673 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 674 | movl %eax, %esp | 634 | movl %eax, %esp |
| 675 | #else | 635 | #else |
| 676 | movl %esp, %eax | 636 | movl %esp, %eax |
| @@ -750,14 +710,18 @@ ptregs_##name: \ | |||
| 750 | #define PTREGSCALL3(name) \ | 710 | #define PTREGSCALL3(name) \ |
| 751 | ALIGN; \ | 711 | ALIGN; \ |
| 752 | ptregs_##name: \ | 712 | ptregs_##name: \ |
| 713 | CFI_STARTPROC; \ | ||
| 753 | leal 4(%esp),%eax; \ | 714 | leal 4(%esp),%eax; \ |
| 754 | pushl %eax; \ | 715 | pushl_cfi %eax; \ |
| 755 | movl PT_EDX(%eax),%ecx; \ | 716 | movl PT_EDX(%eax),%ecx; \ |
| 756 | movl PT_ECX(%eax),%edx; \ | 717 | movl PT_ECX(%eax),%edx; \ |
| 757 | movl PT_EBX(%eax),%eax; \ | 718 | movl PT_EBX(%eax),%eax; \ |
| 758 | call sys_##name; \ | 719 | call sys_##name; \ |
| 759 | addl $4,%esp; \ | 720 | addl $4,%esp; \ |
| 760 | ret | 721 | CFI_ADJUST_CFA_OFFSET -4; \ |
| 722 | ret; \ | ||
| 723 | CFI_ENDPROC; \ | ||
| 724 | ENDPROC(ptregs_##name) | ||
| 761 | 725 | ||
| 762 | PTREGSCALL1(iopl) | 726 | PTREGSCALL1(iopl) |
| 763 | PTREGSCALL0(fork) | 727 | PTREGSCALL0(fork) |
| @@ -772,15 +736,19 @@ PTREGSCALL1(vm86old) | |||
| 772 | /* Clone is an oddball. The 4th arg is in %edi */ | 736 | /* Clone is an oddball. The 4th arg is in %edi */ |
| 773 | ALIGN; | 737 | ALIGN; |
| 774 | ptregs_clone: | 738 | ptregs_clone: |
| 739 | CFI_STARTPROC | ||
| 775 | leal 4(%esp),%eax | 740 | leal 4(%esp),%eax |
| 776 | pushl %eax | 741 | pushl_cfi %eax |
| 777 | pushl PT_EDI(%eax) | 742 | pushl_cfi PT_EDI(%eax) |
| 778 | movl PT_EDX(%eax),%ecx | 743 | movl PT_EDX(%eax),%ecx |
| 779 | movl PT_ECX(%eax),%edx | 744 | movl PT_ECX(%eax),%edx |
| 780 | movl PT_EBX(%eax),%eax | 745 | movl PT_EBX(%eax),%eax |
| 781 | call sys_clone | 746 | call sys_clone |
| 782 | addl $8,%esp | 747 | addl $8,%esp |
| 748 | CFI_ADJUST_CFA_OFFSET -8 | ||
| 783 | ret | 749 | ret |
| 750 | CFI_ENDPROC | ||
| 751 | ENDPROC(ptregs_clone) | ||
| 784 | 752 | ||
| 785 | .macro FIXUP_ESPFIX_STACK | 753 | .macro FIXUP_ESPFIX_STACK |
| 786 | /* | 754 | /* |
| @@ -795,10 +763,8 @@ ptregs_clone: | |||
| 795 | mov GDT_ESPFIX_SS + 7, %ah /* bits 24..31 */ | 763 | mov GDT_ESPFIX_SS + 7, %ah /* bits 24..31 */ |
| 796 | shl $16, %eax | 764 | shl $16, %eax |
| 797 | addl %esp, %eax /* the adjusted stack pointer */ | 765 | addl %esp, %eax /* the adjusted stack pointer */ |
| 798 | pushl $__KERNEL_DS | 766 | pushl_cfi $__KERNEL_DS |
| 799 | CFI_ADJUST_CFA_OFFSET 4 | 767 | pushl_cfi %eax |
| 800 | pushl %eax | ||
| 801 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 802 | lss (%esp), %esp /* switch to the normal stack segment */ | 768 | lss (%esp), %esp /* switch to the normal stack segment */ |
| 803 | CFI_ADJUST_CFA_OFFSET -8 | 769 | CFI_ADJUST_CFA_OFFSET -8 |
| 804 | .endm | 770 | .endm |
| @@ -835,8 +801,7 @@ vector=FIRST_EXTERNAL_VECTOR | |||
| 835 | .if vector <> FIRST_EXTERNAL_VECTOR | 801 | .if vector <> FIRST_EXTERNAL_VECTOR |
| 836 | CFI_ADJUST_CFA_OFFSET -4 | 802 | CFI_ADJUST_CFA_OFFSET -4 |
| 837 | .endif | 803 | .endif |
| 838 | 1: pushl $(~vector+0x80) /* Note: always in signed byte range */ | 804 | 1: pushl_cfi $(~vector+0x80) /* Note: always in signed byte range */ |
| 839 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 840 | .if ((vector-FIRST_EXTERNAL_VECTOR)%7) <> 6 | 805 | .if ((vector-FIRST_EXTERNAL_VECTOR)%7) <> 6 |
| 841 | jmp 2f | 806 | jmp 2f |
| 842 | .endif | 807 | .endif |
| @@ -876,8 +841,7 @@ ENDPROC(common_interrupt) | |||
| 876 | #define BUILD_INTERRUPT3(name, nr, fn) \ | 841 | #define BUILD_INTERRUPT3(name, nr, fn) \ |
| 877 | ENTRY(name) \ | 842 | ENTRY(name) \ |
| 878 | RING0_INT_FRAME; \ | 843 | RING0_INT_FRAME; \ |
| 879 | pushl $~(nr); \ | 844 | pushl_cfi $~(nr); \ |
| 880 | CFI_ADJUST_CFA_OFFSET 4; \ | ||
| 881 | SAVE_ALL; \ | 845 | SAVE_ALL; \ |
| 882 | TRACE_IRQS_OFF \ | 846 | TRACE_IRQS_OFF \ |
| 883 | movl %esp,%eax; \ | 847 | movl %esp,%eax; \ |
| @@ -893,21 +857,18 @@ ENDPROC(name) | |||
| 893 | 857 | ||
| 894 | ENTRY(coprocessor_error) | 858 | ENTRY(coprocessor_error) |
| 895 | RING0_INT_FRAME | 859 | RING0_INT_FRAME |
| 896 | pushl $0 | 860 | pushl_cfi $0 |
| 897 | CFI_ADJUST_CFA_OFFSET 4 | 861 | pushl_cfi $do_coprocessor_error |
| 898 | pushl $do_coprocessor_error | ||
| 899 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 900 | jmp error_code | 862 | jmp error_code |
| 901 | CFI_ENDPROC | 863 | CFI_ENDPROC |
| 902 | END(coprocessor_error) | 864 | END(coprocessor_error) |
| 903 | 865 | ||
| 904 | ENTRY(simd_coprocessor_error) | 866 | ENTRY(simd_coprocessor_error) |
| 905 | RING0_INT_FRAME | 867 | RING0_INT_FRAME |
| 906 | pushl $0 | 868 | pushl_cfi $0 |
| 907 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 908 | #ifdef CONFIG_X86_INVD_BUG | 869 | #ifdef CONFIG_X86_INVD_BUG |
| 909 | /* AMD 486 bug: invd from userspace calls exception 19 instead of #GP */ | 870 | /* AMD 486 bug: invd from userspace calls exception 19 instead of #GP */ |
| 910 | 661: pushl $do_general_protection | 871 | 661: pushl_cfi $do_general_protection |
| 911 | 662: | 872 | 662: |
| 912 | .section .altinstructions,"a" | 873 | .section .altinstructions,"a" |
| 913 | .balign 4 | 874 | .balign 4 |
| @@ -922,19 +883,16 @@ ENTRY(simd_coprocessor_error) | |||
| 922 | 664: | 883 | 664: |
| 923 | .previous | 884 | .previous |
| 924 | #else | 885 | #else |
| 925 | pushl $do_simd_coprocessor_error | 886 | pushl_cfi $do_simd_coprocessor_error |
| 926 | #endif | 887 | #endif |
| 927 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 928 | jmp error_code | 888 | jmp error_code |
| 929 | CFI_ENDPROC | 889 | CFI_ENDPROC |
| 930 | END(simd_coprocessor_error) | 890 | END(simd_coprocessor_error) |
| 931 | 891 | ||
| 932 | ENTRY(device_not_available) | 892 | ENTRY(device_not_available) |
| 933 | RING0_INT_FRAME | 893 | RING0_INT_FRAME |
| 934 | pushl $-1 # mark this as an int | 894 | pushl_cfi $-1 # mark this as an int |
| 935 | CFI_ADJUST_CFA_OFFSET 4 | 895 | pushl_cfi $do_device_not_available |
| 936 | pushl $do_device_not_available | ||
| 937 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 938 | jmp error_code | 896 | jmp error_code |
| 939 | CFI_ENDPROC | 897 | CFI_ENDPROC |
| 940 | END(device_not_available) | 898 | END(device_not_available) |
| @@ -956,82 +914,68 @@ END(native_irq_enable_sysexit) | |||
| 956 | 914 | ||
| 957 | ENTRY(overflow) | 915 | ENTRY(overflow) |
| 958 | RING0_INT_FRAME | 916 | RING0_INT_FRAME |
| 959 | pushl $0 | 917 | pushl_cfi $0 |
| 960 | CFI_ADJUST_CFA_OFFSET 4 | 918 | pushl_cfi $do_overflow |
| 961 | pushl $do_overflow | ||
| 962 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 963 | jmp error_code | 919 | jmp error_code |
| 964 | CFI_ENDPROC | 920 | CFI_ENDPROC |
| 965 | END(overflow) | 921 | END(overflow) |
| 966 | 922 | ||
| 967 | ENTRY(bounds) | 923 | ENTRY(bounds) |
| 968 | RING0_INT_FRAME | 924 | RING0_INT_FRAME |
| 969 | pushl $0 | 925 | pushl_cfi $0 |
| 970 | CFI_ADJUST_CFA_OFFSET 4 | 926 | pushl_cfi $do_bounds |
| 971 | pushl $do_bounds | ||
| 972 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 973 | jmp error_code | 927 | jmp error_code |
| 974 | CFI_ENDPROC | 928 | CFI_ENDPROC |
| 975 | END(bounds) | 929 | END(bounds) |
| 976 | 930 | ||
| 977 | ENTRY(invalid_op) | 931 | ENTRY(invalid_op) |
| 978 | RING0_INT_FRAME | 932 | RING0_INT_FRAME |
| 979 | pushl $0 | 933 | pushl_cfi $0 |
| 980 | CFI_ADJUST_CFA_OFFSET 4 | 934 | pushl_cfi $do_invalid_op |
| 981 | pushl $do_invalid_op | ||
| 982 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 983 | jmp error_code | 935 | jmp error_code |
| 984 | CFI_ENDPROC | 936 | CFI_ENDPROC |
| 985 | END(invalid_op) | 937 | END(invalid_op) |
| 986 | 938 | ||
| 987 | ENTRY(coprocessor_segment_overrun) | 939 | ENTRY(coprocessor_segment_overrun) |
| 988 | RING0_INT_FRAME | 940 | RING0_INT_FRAME |
| 989 | pushl $0 | 941 | pushl_cfi $0 |
| 990 | CFI_ADJUST_CFA_OFFSET 4 | 942 | pushl_cfi $do_coprocessor_segment_overrun |
| 991 | pushl $do_coprocessor_segment_overrun | ||
| 992 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 993 | jmp error_code | 943 | jmp error_code |
| 994 | CFI_ENDPROC | 944 | CFI_ENDPROC |
| 995 | END(coprocessor_segment_overrun) | 945 | END(coprocessor_segment_overrun) |
| 996 | 946 | ||
| 997 | ENTRY(invalid_TSS) | 947 | ENTRY(invalid_TSS) |
| 998 | RING0_EC_FRAME | 948 | RING0_EC_FRAME |
| 999 | pushl $do_invalid_TSS | 949 | pushl_cfi $do_invalid_TSS |
| 1000 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1001 | jmp error_code | 950 | jmp error_code |
| 1002 | CFI_ENDPROC | 951 | CFI_ENDPROC |
| 1003 | END(invalid_TSS) | 952 | END(invalid_TSS) |
| 1004 | 953 | ||
| 1005 | ENTRY(segment_not_present) | 954 | ENTRY(segment_not_present) |
| 1006 | RING0_EC_FRAME | 955 | RING0_EC_FRAME |
| 1007 | pushl $do_segment_not_present | 956 | pushl_cfi $do_segment_not_present |
| 1008 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1009 | jmp error_code | 957 | jmp error_code |
| 1010 | CFI_ENDPROC | 958 | CFI_ENDPROC |
| 1011 | END(segment_not_present) | 959 | END(segment_not_present) |
| 1012 | 960 | ||
| 1013 | ENTRY(stack_segment) | 961 | ENTRY(stack_segment) |
| 1014 | RING0_EC_FRAME | 962 | RING0_EC_FRAME |
| 1015 | pushl $do_stack_segment | 963 | pushl_cfi $do_stack_segment |
| 1016 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1017 | jmp error_code | 964 | jmp error_code |
| 1018 | CFI_ENDPROC | 965 | CFI_ENDPROC |
| 1019 | END(stack_segment) | 966 | END(stack_segment) |
| 1020 | 967 | ||
| 1021 | ENTRY(alignment_check) | 968 | ENTRY(alignment_check) |
| 1022 | RING0_EC_FRAME | 969 | RING0_EC_FRAME |
| 1023 | pushl $do_alignment_check | 970 | pushl_cfi $do_alignment_check |
| 1024 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1025 | jmp error_code | 971 | jmp error_code |
| 1026 | CFI_ENDPROC | 972 | CFI_ENDPROC |
| 1027 | END(alignment_check) | 973 | END(alignment_check) |
| 1028 | 974 | ||
| 1029 | ENTRY(divide_error) | 975 | ENTRY(divide_error) |
| 1030 | RING0_INT_FRAME | 976 | RING0_INT_FRAME |
| 1031 | pushl $0 # no error code | 977 | pushl_cfi $0 # no error code |
| 1032 | CFI_ADJUST_CFA_OFFSET 4 | 978 | pushl_cfi $do_divide_error |
| 1033 | pushl $do_divide_error | ||
| 1034 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1035 | jmp error_code | 979 | jmp error_code |
| 1036 | CFI_ENDPROC | 980 | CFI_ENDPROC |
| 1037 | END(divide_error) | 981 | END(divide_error) |
| @@ -1039,10 +983,8 @@ END(divide_error) | |||
| 1039 | #ifdef CONFIG_X86_MCE | 983 | #ifdef CONFIG_X86_MCE |
| 1040 | ENTRY(machine_check) | 984 | ENTRY(machine_check) |
| 1041 | RING0_INT_FRAME | 985 | RING0_INT_FRAME |
| 1042 | pushl $0 | 986 | pushl_cfi $0 |
| 1043 | CFI_ADJUST_CFA_OFFSET 4 | 987 | pushl_cfi machine_check_vector |
| 1044 | pushl machine_check_vector | ||
| 1045 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1046 | jmp error_code | 988 | jmp error_code |
| 1047 | CFI_ENDPROC | 989 | CFI_ENDPROC |
| 1048 | END(machine_check) | 990 | END(machine_check) |
| @@ -1050,10 +992,8 @@ END(machine_check) | |||
| 1050 | 992 | ||
| 1051 | ENTRY(spurious_interrupt_bug) | 993 | ENTRY(spurious_interrupt_bug) |
| 1052 | RING0_INT_FRAME | 994 | RING0_INT_FRAME |
| 1053 | pushl $0 | 995 | pushl_cfi $0 |
| 1054 | CFI_ADJUST_CFA_OFFSET 4 | 996 | pushl_cfi $do_spurious_interrupt_bug |
| 1055 | pushl $do_spurious_interrupt_bug | ||
| 1056 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1057 | jmp error_code | 997 | jmp error_code |
| 1058 | CFI_ENDPROC | 998 | CFI_ENDPROC |
| 1059 | END(spurious_interrupt_bug) | 999 | END(spurious_interrupt_bug) |
| @@ -1084,8 +1024,7 @@ ENTRY(xen_sysenter_target) | |||
| 1084 | 1024 | ||
| 1085 | ENTRY(xen_hypervisor_callback) | 1025 | ENTRY(xen_hypervisor_callback) |
| 1086 | CFI_STARTPROC | 1026 | CFI_STARTPROC |
| 1087 | pushl $0 | 1027 | pushl_cfi $0 |
| 1088 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1089 | SAVE_ALL | 1028 | SAVE_ALL |
| 1090 | TRACE_IRQS_OFF | 1029 | TRACE_IRQS_OFF |
| 1091 | 1030 | ||
| @@ -1121,23 +1060,20 @@ ENDPROC(xen_hypervisor_callback) | |||
| 1121 | # We distinguish between categories by maintaining a status value in EAX. | 1060 | # We distinguish between categories by maintaining a status value in EAX. |
| 1122 | ENTRY(xen_failsafe_callback) | 1061 | ENTRY(xen_failsafe_callback) |
| 1123 | CFI_STARTPROC | 1062 | CFI_STARTPROC |
| 1124 | pushl %eax | 1063 | pushl_cfi %eax |
| 1125 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1126 | movl $1,%eax | 1064 | movl $1,%eax |
| 1127 | 1: mov 4(%esp),%ds | 1065 | 1: mov 4(%esp),%ds |
| 1128 | 2: mov 8(%esp),%es | 1066 | 2: mov 8(%esp),%es |
| 1129 | 3: mov 12(%esp),%fs | 1067 | 3: mov 12(%esp),%fs |
| 1130 | 4: mov 16(%esp),%gs | 1068 | 4: mov 16(%esp),%gs |
| 1131 | testl %eax,%eax | 1069 | testl %eax,%eax |
| 1132 | popl %eax | 1070 | popl_cfi %eax |
| 1133 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 1134 | lea 16(%esp),%esp | 1071 | lea 16(%esp),%esp |
| 1135 | CFI_ADJUST_CFA_OFFSET -16 | 1072 | CFI_ADJUST_CFA_OFFSET -16 |
| 1136 | jz 5f | 1073 | jz 5f |
| 1137 | addl $16,%esp | 1074 | addl $16,%esp |
| 1138 | jmp iret_exc # EAX != 0 => Category 2 (Bad IRET) | 1075 | jmp iret_exc # EAX != 0 => Category 2 (Bad IRET) |
| 1139 | 5: pushl $0 # EAX == 0 => Category 1 (Bad segment) | 1076 | 5: pushl_cfi $0 # EAX == 0 => Category 1 (Bad segment) |
| 1140 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1141 | SAVE_ALL | 1077 | SAVE_ALL |
| 1142 | jmp ret_from_exception | 1078 | jmp ret_from_exception |
| 1143 | CFI_ENDPROC | 1079 | CFI_ENDPROC |
| @@ -1287,40 +1223,29 @@ syscall_table_size=(.-sys_call_table) | |||
| 1287 | 1223 | ||
| 1288 | ENTRY(page_fault) | 1224 | ENTRY(page_fault) |
| 1289 | RING0_EC_FRAME | 1225 | RING0_EC_FRAME |
| 1290 | pushl $do_page_fault | 1226 | pushl_cfi $do_page_fault |
| 1291 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1292 | ALIGN | 1227 | ALIGN |
| 1293 | error_code: | 1228 | error_code: |
| 1294 | /* the function address is in %gs's slot on the stack */ | 1229 | /* the function address is in %gs's slot on the stack */ |
| 1295 | pushl %fs | 1230 | pushl_cfi %fs |
| 1296 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1297 | /*CFI_REL_OFFSET fs, 0*/ | 1231 | /*CFI_REL_OFFSET fs, 0*/ |
| 1298 | pushl %es | 1232 | pushl_cfi %es |
| 1299 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1300 | /*CFI_REL_OFFSET es, 0*/ | 1233 | /*CFI_REL_OFFSET es, 0*/ |
| 1301 | pushl %ds | 1234 | pushl_cfi %ds |
| 1302 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1303 | /*CFI_REL_OFFSET ds, 0*/ | 1235 | /*CFI_REL_OFFSET ds, 0*/ |
| 1304 | pushl %eax | 1236 | pushl_cfi %eax |
| 1305 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1306 | CFI_REL_OFFSET eax, 0 | 1237 | CFI_REL_OFFSET eax, 0 |
| 1307 | pushl %ebp | 1238 | pushl_cfi %ebp |
| 1308 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1309 | CFI_REL_OFFSET ebp, 0 | 1239 | CFI_REL_OFFSET ebp, 0 |
| 1310 | pushl %edi | 1240 | pushl_cfi %edi |
| 1311 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1312 | CFI_REL_OFFSET edi, 0 | 1241 | CFI_REL_OFFSET edi, 0 |
| 1313 | pushl %esi | 1242 | pushl_cfi %esi |
| 1314 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1315 | CFI_REL_OFFSET esi, 0 | 1243 | CFI_REL_OFFSET esi, 0 |
| 1316 | pushl %edx | 1244 | pushl_cfi %edx |
| 1317 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1318 | CFI_REL_OFFSET edx, 0 | 1245 | CFI_REL_OFFSET edx, 0 |
| 1319 | pushl %ecx | 1246 | pushl_cfi %ecx |
| 1320 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1321 | CFI_REL_OFFSET ecx, 0 | 1247 | CFI_REL_OFFSET ecx, 0 |
| 1322 | pushl %ebx | 1248 | pushl_cfi %ebx |
| 1323 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1324 | CFI_REL_OFFSET ebx, 0 | 1249 | CFI_REL_OFFSET ebx, 0 |
| 1325 | cld | 1250 | cld |
| 1326 | movl $(__KERNEL_PERCPU), %ecx | 1251 | movl $(__KERNEL_PERCPU), %ecx |
| @@ -1362,12 +1287,9 @@ END(page_fault) | |||
| 1362 | movl TSS_sysenter_sp0 + \offset(%esp), %esp | 1287 | movl TSS_sysenter_sp0 + \offset(%esp), %esp |
| 1363 | CFI_DEF_CFA esp, 0 | 1288 | CFI_DEF_CFA esp, 0 |
| 1364 | CFI_UNDEFINED eip | 1289 | CFI_UNDEFINED eip |
| 1365 | pushfl | 1290 | pushfl_cfi |
| 1366 | CFI_ADJUST_CFA_OFFSET 4 | 1291 | pushl_cfi $__KERNEL_CS |
| 1367 | pushl $__KERNEL_CS | 1292 | pushl_cfi $sysenter_past_esp |
| 1368 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1369 | pushl $sysenter_past_esp | ||
| 1370 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1371 | CFI_REL_OFFSET eip, 0 | 1293 | CFI_REL_OFFSET eip, 0 |
| 1372 | .endm | 1294 | .endm |
| 1373 | 1295 | ||
| @@ -1377,8 +1299,7 @@ ENTRY(debug) | |||
| 1377 | jne debug_stack_correct | 1299 | jne debug_stack_correct |
| 1378 | FIX_STACK 12, debug_stack_correct, debug_esp_fix_insn | 1300 | FIX_STACK 12, debug_stack_correct, debug_esp_fix_insn |
| 1379 | debug_stack_correct: | 1301 | debug_stack_correct: |
| 1380 | pushl $-1 # mark this as an int | 1302 | pushl_cfi $-1 # mark this as an int |
| 1381 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1382 | SAVE_ALL | 1303 | SAVE_ALL |
| 1383 | TRACE_IRQS_OFF | 1304 | TRACE_IRQS_OFF |
| 1384 | xorl %edx,%edx # error code 0 | 1305 | xorl %edx,%edx # error code 0 |
| @@ -1398,32 +1319,27 @@ END(debug) | |||
| 1398 | */ | 1319 | */ |
| 1399 | ENTRY(nmi) | 1320 | ENTRY(nmi) |
| 1400 | RING0_INT_FRAME | 1321 | RING0_INT_FRAME |
| 1401 | pushl %eax | 1322 | pushl_cfi %eax |
| 1402 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1403 | movl %ss, %eax | 1323 | movl %ss, %eax |
| 1404 | cmpw $__ESPFIX_SS, %ax | 1324 | cmpw $__ESPFIX_SS, %ax |
| 1405 | popl %eax | 1325 | popl_cfi %eax |
| 1406 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 1407 | je nmi_espfix_stack | 1326 | je nmi_espfix_stack |
| 1408 | cmpl $ia32_sysenter_target,(%esp) | 1327 | cmpl $ia32_sysenter_target,(%esp) |
| 1409 | je nmi_stack_fixup | 1328 | je nmi_stack_fixup |
| 1410 | pushl %eax | 1329 | pushl_cfi %eax |
| 1411 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1412 | movl %esp,%eax | 1330 | movl %esp,%eax |
| 1413 | /* Do not access memory above the end of our stack page, | 1331 | /* Do not access memory above the end of our stack page, |
| 1414 | * it might not exist. | 1332 | * it might not exist. |
| 1415 | */ | 1333 | */ |
| 1416 | andl $(THREAD_SIZE-1),%eax | 1334 | andl $(THREAD_SIZE-1),%eax |
| 1417 | cmpl $(THREAD_SIZE-20),%eax | 1335 | cmpl $(THREAD_SIZE-20),%eax |
| 1418 | popl %eax | 1336 | popl_cfi %eax |
| 1419 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 1420 | jae nmi_stack_correct | 1337 | jae nmi_stack_correct |
| 1421 | cmpl $ia32_sysenter_target,12(%esp) | 1338 | cmpl $ia32_sysenter_target,12(%esp) |
| 1422 | je nmi_debug_stack_check | 1339 | je nmi_debug_stack_check |
| 1423 | nmi_stack_correct: | 1340 | nmi_stack_correct: |
| 1424 | /* We have a RING0_INT_FRAME here */ | 1341 | /* We have a RING0_INT_FRAME here */ |
| 1425 | pushl %eax | 1342 | pushl_cfi %eax |
| 1426 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1427 | SAVE_ALL | 1343 | SAVE_ALL |
| 1428 | xorl %edx,%edx # zero error code | 1344 | xorl %edx,%edx # zero error code |
| 1429 | movl %esp,%eax # pt_regs pointer | 1345 | movl %esp,%eax # pt_regs pointer |
| @@ -1452,18 +1368,14 @@ nmi_espfix_stack: | |||
| 1452 | * | 1368 | * |
| 1453 | * create the pointer to lss back | 1369 | * create the pointer to lss back |
| 1454 | */ | 1370 | */ |
| 1455 | pushl %ss | 1371 | pushl_cfi %ss |
| 1456 | CFI_ADJUST_CFA_OFFSET 4 | 1372 | pushl_cfi %esp |
| 1457 | pushl %esp | ||
| 1458 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1459 | addl $4, (%esp) | 1373 | addl $4, (%esp) |
| 1460 | /* copy the iret frame of 12 bytes */ | 1374 | /* copy the iret frame of 12 bytes */ |
| 1461 | .rept 3 | 1375 | .rept 3 |
| 1462 | pushl 16(%esp) | 1376 | pushl_cfi 16(%esp) |
| 1463 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1464 | .endr | 1377 | .endr |
| 1465 | pushl %eax | 1378 | pushl_cfi %eax |
| 1466 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1467 | SAVE_ALL | 1379 | SAVE_ALL |
| 1468 | FIXUP_ESPFIX_STACK # %eax == %esp | 1380 | FIXUP_ESPFIX_STACK # %eax == %esp |
| 1469 | xorl %edx,%edx # zero error code | 1381 | xorl %edx,%edx # zero error code |
| @@ -1477,8 +1389,7 @@ END(nmi) | |||
| 1477 | 1389 | ||
| 1478 | ENTRY(int3) | 1390 | ENTRY(int3) |
| 1479 | RING0_INT_FRAME | 1391 | RING0_INT_FRAME |
| 1480 | pushl $-1 # mark this as an int | 1392 | pushl_cfi $-1 # mark this as an int |
| 1481 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1482 | SAVE_ALL | 1393 | SAVE_ALL |
| 1483 | TRACE_IRQS_OFF | 1394 | TRACE_IRQS_OFF |
| 1484 | xorl %edx,%edx # zero error code | 1395 | xorl %edx,%edx # zero error code |
| @@ -1490,8 +1401,7 @@ END(int3) | |||
| 1490 | 1401 | ||
| 1491 | ENTRY(general_protection) | 1402 | ENTRY(general_protection) |
| 1492 | RING0_EC_FRAME | 1403 | RING0_EC_FRAME |
| 1493 | pushl $do_general_protection | 1404 | pushl_cfi $do_general_protection |
| 1494 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 1495 | jmp error_code | 1405 | jmp error_code |
| 1496 | CFI_ENDPROC | 1406 | CFI_ENDPROC |
| 1497 | END(general_protection) | 1407 | END(general_protection) |
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index c375c79065f8..a7ae7fd1010f 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S | |||
| @@ -213,23 +213,17 @@ ENDPROC(native_usergs_sysret64) | |||
| 213 | .macro FAKE_STACK_FRAME child_rip | 213 | .macro FAKE_STACK_FRAME child_rip |
| 214 | /* push in order ss, rsp, eflags, cs, rip */ | 214 | /* push in order ss, rsp, eflags, cs, rip */ |
| 215 | xorl %eax, %eax | 215 | xorl %eax, %eax |
| 216 | pushq $__KERNEL_DS /* ss */ | 216 | pushq_cfi $__KERNEL_DS /* ss */ |
| 217 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 218 | /*CFI_REL_OFFSET ss,0*/ | 217 | /*CFI_REL_OFFSET ss,0*/ |
| 219 | pushq %rax /* rsp */ | 218 | pushq_cfi %rax /* rsp */ |
| 220 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 221 | CFI_REL_OFFSET rsp,0 | 219 | CFI_REL_OFFSET rsp,0 |
| 222 | pushq $X86_EFLAGS_IF /* eflags - interrupts on */ | 220 | pushq_cfi $X86_EFLAGS_IF /* eflags - interrupts on */ |
| 223 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 224 | /*CFI_REL_OFFSET rflags,0*/ | 221 | /*CFI_REL_OFFSET rflags,0*/ |
| 225 | pushq $__KERNEL_CS /* cs */ | 222 | pushq_cfi $__KERNEL_CS /* cs */ |
| 226 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 227 | /*CFI_REL_OFFSET cs,0*/ | 223 | /*CFI_REL_OFFSET cs,0*/ |
| 228 | pushq \child_rip /* rip */ | 224 | pushq_cfi \child_rip /* rip */ |
| 229 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 230 | CFI_REL_OFFSET rip,0 | 225 | CFI_REL_OFFSET rip,0 |
| 231 | pushq %rax /* orig rax */ | 226 | pushq_cfi %rax /* orig rax */ |
| 232 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 233 | .endm | 227 | .endm |
| 234 | 228 | ||
| 235 | .macro UNFAKE_STACK_FRAME | 229 | .macro UNFAKE_STACK_FRAME |
| @@ -398,10 +392,8 @@ ENTRY(ret_from_fork) | |||
| 398 | 392 | ||
| 399 | LOCK ; btr $TIF_FORK,TI_flags(%r8) | 393 | LOCK ; btr $TIF_FORK,TI_flags(%r8) |
| 400 | 394 | ||
| 401 | push kernel_eflags(%rip) | 395 | pushq_cfi kernel_eflags(%rip) |
| 402 | CFI_ADJUST_CFA_OFFSET 8 | 396 | popfq_cfi # reset kernel eflags |
| 403 | popf # reset kernel eflags | ||
| 404 | CFI_ADJUST_CFA_OFFSET -8 | ||
| 405 | 397 | ||
| 406 | call schedule_tail # rdi: 'prev' task parameter | 398 | call schedule_tail # rdi: 'prev' task parameter |
| 407 | 399 | ||
| @@ -521,11 +513,9 @@ sysret_careful: | |||
| 521 | jnc sysret_signal | 513 | jnc sysret_signal |
| 522 | TRACE_IRQS_ON | 514 | TRACE_IRQS_ON |
| 523 | ENABLE_INTERRUPTS(CLBR_NONE) | 515 | ENABLE_INTERRUPTS(CLBR_NONE) |
| 524 | pushq %rdi | 516 | pushq_cfi %rdi |
| 525 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 526 | call schedule | 517 | call schedule |
| 527 | popq %rdi | 518 | popq_cfi %rdi |
| 528 | CFI_ADJUST_CFA_OFFSET -8 | ||
| 529 | jmp sysret_check | 519 | jmp sysret_check |
| 530 | 520 | ||
| 531 | /* Handle a signal */ | 521 | /* Handle a signal */ |
| @@ -634,11 +624,9 @@ int_careful: | |||
| 634 | jnc int_very_careful | 624 | jnc int_very_careful |
| 635 | TRACE_IRQS_ON | 625 | TRACE_IRQS_ON |
| 636 | ENABLE_INTERRUPTS(CLBR_NONE) | 626 | ENABLE_INTERRUPTS(CLBR_NONE) |
| 637 | pushq %rdi | 627 | pushq_cfi %rdi |
| 638 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 639 | call schedule | 628 | call schedule |
| 640 | popq %rdi | 629 | popq_cfi %rdi |
| 641 | CFI_ADJUST_CFA_OFFSET -8 | ||
| 642 | DISABLE_INTERRUPTS(CLBR_NONE) | 630 | DISABLE_INTERRUPTS(CLBR_NONE) |
| 643 | TRACE_IRQS_OFF | 631 | TRACE_IRQS_OFF |
| 644 | jmp int_with_check | 632 | jmp int_with_check |
| @@ -652,12 +640,10 @@ int_check_syscall_exit_work: | |||
| 652 | /* Check for syscall exit trace */ | 640 | /* Check for syscall exit trace */ |
| 653 | testl $_TIF_WORK_SYSCALL_EXIT,%edx | 641 | testl $_TIF_WORK_SYSCALL_EXIT,%edx |
| 654 | jz int_signal | 642 | jz int_signal |
| 655 | pushq %rdi | 643 | pushq_cfi %rdi |
| 656 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 657 | leaq 8(%rsp),%rdi # &ptregs -> arg1 | 644 | leaq 8(%rsp),%rdi # &ptregs -> arg1 |
| 658 | call syscall_trace_leave | 645 | call syscall_trace_leave |
| 659 | popq %rdi | 646 | popq_cfi %rdi |
| 660 | CFI_ADJUST_CFA_OFFSET -8 | ||
| 661 | andl $~(_TIF_WORK_SYSCALL_EXIT|_TIF_SYSCALL_EMU),%edi | 647 | andl $~(_TIF_WORK_SYSCALL_EXIT|_TIF_SYSCALL_EMU),%edi |
| 662 | jmp int_restore_rest | 648 | jmp int_restore_rest |
| 663 | 649 | ||
| @@ -714,9 +700,8 @@ END(ptregscall_common) | |||
| 714 | 700 | ||
| 715 | ENTRY(stub_execve) | 701 | ENTRY(stub_execve) |
| 716 | CFI_STARTPROC | 702 | CFI_STARTPROC |
| 717 | popq %r11 | 703 | addq $8, %rsp |
| 718 | CFI_ADJUST_CFA_OFFSET -8 | 704 | PARTIAL_FRAME 0 |
| 719 | CFI_REGISTER rip, r11 | ||
| 720 | SAVE_REST | 705 | SAVE_REST |
| 721 | FIXUP_TOP_OF_STACK %r11 | 706 | FIXUP_TOP_OF_STACK %r11 |
| 722 | movq %rsp, %rcx | 707 | movq %rsp, %rcx |
| @@ -735,7 +720,7 @@ END(stub_execve) | |||
| 735 | ENTRY(stub_rt_sigreturn) | 720 | ENTRY(stub_rt_sigreturn) |
| 736 | CFI_STARTPROC | 721 | CFI_STARTPROC |
| 737 | addq $8, %rsp | 722 | addq $8, %rsp |
| 738 | CFI_ADJUST_CFA_OFFSET -8 | 723 | PARTIAL_FRAME 0 |
| 739 | SAVE_REST | 724 | SAVE_REST |
| 740 | movq %rsp,%rdi | 725 | movq %rsp,%rdi |
| 741 | FIXUP_TOP_OF_STACK %r11 | 726 | FIXUP_TOP_OF_STACK %r11 |
| @@ -766,8 +751,7 @@ vector=FIRST_EXTERNAL_VECTOR | |||
| 766 | .if vector <> FIRST_EXTERNAL_VECTOR | 751 | .if vector <> FIRST_EXTERNAL_VECTOR |
| 767 | CFI_ADJUST_CFA_OFFSET -8 | 752 | CFI_ADJUST_CFA_OFFSET -8 |
| 768 | .endif | 753 | .endif |
| 769 | 1: pushq $(~vector+0x80) /* Note: always in signed byte range */ | 754 | 1: pushq_cfi $(~vector+0x80) /* Note: always in signed byte range */ |
| 770 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 771 | .if ((vector-FIRST_EXTERNAL_VECTOR)%7) <> 6 | 755 | .if ((vector-FIRST_EXTERNAL_VECTOR)%7) <> 6 |
| 772 | jmp 2f | 756 | jmp 2f |
| 773 | .endif | 757 | .endif |
| @@ -796,8 +780,8 @@ END(interrupt) | |||
| 796 | 780 | ||
| 797 | /* 0(%rsp): ~(interrupt number) */ | 781 | /* 0(%rsp): ~(interrupt number) */ |
| 798 | .macro interrupt func | 782 | .macro interrupt func |
| 799 | subq $10*8, %rsp | 783 | subq $ORIG_RAX-ARGOFFSET+8, %rsp |
| 800 | CFI_ADJUST_CFA_OFFSET 10*8 | 784 | CFI_ADJUST_CFA_OFFSET ORIG_RAX-ARGOFFSET+8 |
| 801 | call save_args | 785 | call save_args |
| 802 | PARTIAL_FRAME 0 | 786 | PARTIAL_FRAME 0 |
| 803 | call \func | 787 | call \func |
| @@ -822,6 +806,7 @@ ret_from_intr: | |||
| 822 | TRACE_IRQS_OFF | 806 | TRACE_IRQS_OFF |
| 823 | decl PER_CPU_VAR(irq_count) | 807 | decl PER_CPU_VAR(irq_count) |
| 824 | leaveq | 808 | leaveq |
| 809 | CFI_RESTORE rbp | ||
| 825 | CFI_DEF_CFA_REGISTER rsp | 810 | CFI_DEF_CFA_REGISTER rsp |
| 826 | CFI_ADJUST_CFA_OFFSET -8 | 811 | CFI_ADJUST_CFA_OFFSET -8 |
| 827 | exit_intr: | 812 | exit_intr: |
| @@ -903,11 +888,9 @@ retint_careful: | |||
| 903 | jnc retint_signal | 888 | jnc retint_signal |
| 904 | TRACE_IRQS_ON | 889 | TRACE_IRQS_ON |
| 905 | ENABLE_INTERRUPTS(CLBR_NONE) | 890 | ENABLE_INTERRUPTS(CLBR_NONE) |
| 906 | pushq %rdi | 891 | pushq_cfi %rdi |
| 907 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 908 | call schedule | 892 | call schedule |
| 909 | popq %rdi | 893 | popq_cfi %rdi |
| 910 | CFI_ADJUST_CFA_OFFSET -8 | ||
| 911 | GET_THREAD_INFO(%rcx) | 894 | GET_THREAD_INFO(%rcx) |
| 912 | DISABLE_INTERRUPTS(CLBR_NONE) | 895 | DISABLE_INTERRUPTS(CLBR_NONE) |
| 913 | TRACE_IRQS_OFF | 896 | TRACE_IRQS_OFF |
| @@ -956,8 +939,7 @@ END(common_interrupt) | |||
| 956 | .macro apicinterrupt num sym do_sym | 939 | .macro apicinterrupt num sym do_sym |
| 957 | ENTRY(\sym) | 940 | ENTRY(\sym) |
| 958 | INTR_FRAME | 941 | INTR_FRAME |
| 959 | pushq $~(\num) | 942 | pushq_cfi $~(\num) |
| 960 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 961 | interrupt \do_sym | 943 | interrupt \do_sym |
| 962 | jmp ret_from_intr | 944 | jmp ret_from_intr |
| 963 | CFI_ENDPROC | 945 | CFI_ENDPROC |
| @@ -1036,8 +1018,8 @@ ENTRY(\sym) | |||
| 1036 | INTR_FRAME | 1018 | INTR_FRAME |
| 1037 | PARAVIRT_ADJUST_EXCEPTION_FRAME | 1019 | PARAVIRT_ADJUST_EXCEPTION_FRAME |
| 1038 | pushq_cfi $-1 /* ORIG_RAX: no syscall to restart */ | 1020 | pushq_cfi $-1 /* ORIG_RAX: no syscall to restart */ |
| 1039 | subq $15*8,%rsp | 1021 | subq $ORIG_RAX-R15, %rsp |
| 1040 | CFI_ADJUST_CFA_OFFSET 15*8 | 1022 | CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 |
| 1041 | call error_entry | 1023 | call error_entry |
| 1042 | DEFAULT_FRAME 0 | 1024 | DEFAULT_FRAME 0 |
| 1043 | movq %rsp,%rdi /* pt_regs pointer */ | 1025 | movq %rsp,%rdi /* pt_regs pointer */ |
| @@ -1052,9 +1034,9 @@ END(\sym) | |||
| 1052 | ENTRY(\sym) | 1034 | ENTRY(\sym) |
| 1053 | INTR_FRAME | 1035 | INTR_FRAME |
| 1054 | PARAVIRT_ADJUST_EXCEPTION_FRAME | 1036 | PARAVIRT_ADJUST_EXCEPTION_FRAME |
| 1055 | pushq $-1 /* ORIG_RAX: no syscall to restart */ | 1037 | pushq_cfi $-1 /* ORIG_RAX: no syscall to restart */ |
| 1056 | CFI_ADJUST_CFA_OFFSET 8 | 1038 | subq $ORIG_RAX-R15, %rsp |
| 1057 | subq $15*8, %rsp | 1039 | CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 |
| 1058 | call save_paranoid | 1040 | call save_paranoid |
| 1059 | TRACE_IRQS_OFF | 1041 | TRACE_IRQS_OFF |
| 1060 | movq %rsp,%rdi /* pt_regs pointer */ | 1042 | movq %rsp,%rdi /* pt_regs pointer */ |
| @@ -1070,9 +1052,9 @@ END(\sym) | |||
| 1070 | ENTRY(\sym) | 1052 | ENTRY(\sym) |
| 1071 | INTR_FRAME | 1053 | INTR_FRAME |
| 1072 | PARAVIRT_ADJUST_EXCEPTION_FRAME | 1054 | PARAVIRT_ADJUST_EXCEPTION_FRAME |
| 1073 | pushq $-1 /* ORIG_RAX: no syscall to restart */ | 1055 | pushq_cfi $-1 /* ORIG_RAX: no syscall to restart */ |
| 1074 | CFI_ADJUST_CFA_OFFSET 8 | 1056 | subq $ORIG_RAX-R15, %rsp |
| 1075 | subq $15*8, %rsp | 1057 | CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 |
| 1076 | call save_paranoid | 1058 | call save_paranoid |
| 1077 | TRACE_IRQS_OFF | 1059 | TRACE_IRQS_OFF |
| 1078 | movq %rsp,%rdi /* pt_regs pointer */ | 1060 | movq %rsp,%rdi /* pt_regs pointer */ |
| @@ -1089,8 +1071,8 @@ END(\sym) | |||
| 1089 | ENTRY(\sym) | 1071 | ENTRY(\sym) |
| 1090 | XCPT_FRAME | 1072 | XCPT_FRAME |
| 1091 | PARAVIRT_ADJUST_EXCEPTION_FRAME | 1073 | PARAVIRT_ADJUST_EXCEPTION_FRAME |
| 1092 | subq $15*8,%rsp | 1074 | subq $ORIG_RAX-R15, %rsp |
| 1093 | CFI_ADJUST_CFA_OFFSET 15*8 | 1075 | CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 |
| 1094 | call error_entry | 1076 | call error_entry |
| 1095 | DEFAULT_FRAME 0 | 1077 | DEFAULT_FRAME 0 |
| 1096 | movq %rsp,%rdi /* pt_regs pointer */ | 1078 | movq %rsp,%rdi /* pt_regs pointer */ |
| @@ -1107,8 +1089,8 @@ END(\sym) | |||
| 1107 | ENTRY(\sym) | 1089 | ENTRY(\sym) |
| 1108 | XCPT_FRAME | 1090 | XCPT_FRAME |
| 1109 | PARAVIRT_ADJUST_EXCEPTION_FRAME | 1091 | PARAVIRT_ADJUST_EXCEPTION_FRAME |
| 1110 | subq $15*8,%rsp | 1092 | subq $ORIG_RAX-R15, %rsp |
| 1111 | CFI_ADJUST_CFA_OFFSET 15*8 | 1093 | CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 |
| 1112 | call save_paranoid | 1094 | call save_paranoid |
| 1113 | DEFAULT_FRAME 0 | 1095 | DEFAULT_FRAME 0 |
| 1114 | TRACE_IRQS_OFF | 1096 | TRACE_IRQS_OFF |
| @@ -1139,16 +1121,14 @@ zeroentry simd_coprocessor_error do_simd_coprocessor_error | |||
| 1139 | /* edi: new selector */ | 1121 | /* edi: new selector */ |
| 1140 | ENTRY(native_load_gs_index) | 1122 | ENTRY(native_load_gs_index) |
| 1141 | CFI_STARTPROC | 1123 | CFI_STARTPROC |
| 1142 | pushf | 1124 | pushfq_cfi |
| 1143 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 1144 | DISABLE_INTERRUPTS(CLBR_ANY & ~CLBR_RDI) | 1125 | DISABLE_INTERRUPTS(CLBR_ANY & ~CLBR_RDI) |
| 1145 | SWAPGS | 1126 | SWAPGS |
| 1146 | gs_change: | 1127 | gs_change: |
| 1147 | movl %edi,%gs | 1128 | movl %edi,%gs |
| 1148 | 2: mfence /* workaround */ | 1129 | 2: mfence /* workaround */ |
| 1149 | SWAPGS | 1130 | SWAPGS |
| 1150 | popf | 1131 | popfq_cfi |
| 1151 | CFI_ADJUST_CFA_OFFSET -8 | ||
| 1152 | ret | 1132 | ret |
| 1153 | CFI_ENDPROC | 1133 | CFI_ENDPROC |
| 1154 | END(native_load_gs_index) | 1134 | END(native_load_gs_index) |
| @@ -1215,8 +1195,7 @@ END(kernel_execve) | |||
| 1215 | /* Call softirq on interrupt stack. Interrupts are off. */ | 1195 | /* Call softirq on interrupt stack. Interrupts are off. */ |
| 1216 | ENTRY(call_softirq) | 1196 | ENTRY(call_softirq) |
| 1217 | CFI_STARTPROC | 1197 | CFI_STARTPROC |
| 1218 | push %rbp | 1198 | pushq_cfi %rbp |
| 1219 | CFI_ADJUST_CFA_OFFSET 8 | ||
| 1220 | CFI_REL_OFFSET rbp,0 | 1199 | CFI_REL_OFFSET rbp,0 |
| 1221 | mov %rsp,%rbp | 1200 | mov %rsp,%rbp |
| 1222 | CFI_DEF_CFA_REGISTER rbp | 1201 | CFI_DEF_CFA_REGISTER rbp |
| @@ -1225,6 +1204,7 @@ ENTRY(call_softirq) | |||
| 1225 | push %rbp # backlink for old unwinder | 1204 | push %rbp # backlink for old unwinder |
| 1226 | call __do_softirq | 1205 | call __do_softirq |
| 1227 | leaveq | 1206 | leaveq |
| 1207 | CFI_RESTORE rbp | ||
| 1228 | CFI_DEF_CFA_REGISTER rsp | 1208 | CFI_DEF_CFA_REGISTER rsp |
| 1229 | CFI_ADJUST_CFA_OFFSET -8 | 1209 | CFI_ADJUST_CFA_OFFSET -8 |
| 1230 | decl PER_CPU_VAR(irq_count) | 1210 | decl PER_CPU_VAR(irq_count) |
| @@ -1368,7 +1348,7 @@ paranoidzeroentry machine_check *machine_check_vector(%rip) | |||
| 1368 | 1348 | ||
| 1369 | /* ebx: no swapgs flag */ | 1349 | /* ebx: no swapgs flag */ |
| 1370 | ENTRY(paranoid_exit) | 1350 | ENTRY(paranoid_exit) |
| 1371 | INTR_FRAME | 1351 | DEFAULT_FRAME |
| 1372 | DISABLE_INTERRUPTS(CLBR_NONE) | 1352 | DISABLE_INTERRUPTS(CLBR_NONE) |
| 1373 | TRACE_IRQS_OFF | 1353 | TRACE_IRQS_OFF |
| 1374 | testl %ebx,%ebx /* swapgs needed? */ | 1354 | testl %ebx,%ebx /* swapgs needed? */ |
| @@ -1445,7 +1425,6 @@ error_swapgs: | |||
| 1445 | error_sti: | 1425 | error_sti: |
| 1446 | TRACE_IRQS_OFF | 1426 | TRACE_IRQS_OFF |
| 1447 | ret | 1427 | ret |
| 1448 | CFI_ENDPROC | ||
| 1449 | 1428 | ||
| 1450 | /* | 1429 | /* |
| 1451 | * There are two places in the kernel that can potentially fault with | 1430 | * There are two places in the kernel that can potentially fault with |
| @@ -1470,6 +1449,7 @@ bstep_iret: | |||
| 1470 | /* Fix truncated RIP */ | 1449 | /* Fix truncated RIP */ |
| 1471 | movq %rcx,RIP+8(%rsp) | 1450 | movq %rcx,RIP+8(%rsp) |
| 1472 | jmp error_swapgs | 1451 | jmp error_swapgs |
| 1452 | CFI_ENDPROC | ||
| 1473 | END(error_entry) | 1453 | END(error_entry) |
| 1474 | 1454 | ||
| 1475 | 1455 | ||
| @@ -1498,8 +1478,8 @@ ENTRY(nmi) | |||
| 1498 | INTR_FRAME | 1478 | INTR_FRAME |
| 1499 | PARAVIRT_ADJUST_EXCEPTION_FRAME | 1479 | PARAVIRT_ADJUST_EXCEPTION_FRAME |
| 1500 | pushq_cfi $-1 | 1480 | pushq_cfi $-1 |
| 1501 | subq $15*8, %rsp | 1481 | subq $ORIG_RAX-R15, %rsp |
| 1502 | CFI_ADJUST_CFA_OFFSET 15*8 | 1482 | CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 |
| 1503 | call save_paranoid | 1483 | call save_paranoid |
| 1504 | DEFAULT_FRAME 0 | 1484 | DEFAULT_FRAME 0 |
| 1505 | /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */ | 1485 | /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */ |
