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Fixed stack trace if panic in stop_context()

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This commit is contained in:
Tomas Hruby 2010-06-02 08:53:49 +00:00
parent ec27911a7f
commit 7bfa47476c
1 changed files with 8 additions and 11 deletions
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19
kernel/arch/i386/mpx.S
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@ -233,9 +233,9 @@ csinit:
\ \
SAVE_PROCESS_CTX(0) ;\ SAVE_PROCESS_CTX(0) ;\
push %ebp ;\ push %ebp ;\
movl $0, %ebp /* for stack trace */ ;\
call _context_stop ;\ call _context_stop ;\
add $4, %esp ;\ add $4, %esp ;\
movl $0, %ebp /* for stack trace */ ;\
PIC_IRQ_HANDLER(irq) ;\ PIC_IRQ_HANDLER(irq) ;\
movb $END_OF_INT, %al ;\ movb $END_OF_INT, %al ;\
outb $INT_CTL /* reenable interrupts in master pic */ ;\ outb $INT_CTL /* reenable interrupts in master pic */ ;\
@ -301,9 +301,9 @@ _hwint07:
\ \
SAVE_PROCESS_CTX(0) ;\ SAVE_PROCESS_CTX(0) ;\
push %ebp ;\ push %ebp ;\
movl $0, %ebp /* for stack trace */ ;\
call _context_stop ;\ call _context_stop ;\
add $4, %esp ;\ add $4, %esp ;\
movl $0, %ebp /* for stack trace */ ;\
PIC_IRQ_HANDLER(irq) ;\ PIC_IRQ_HANDLER(irq) ;\
movb $END_OF_INT, %al ;\ movb $END_OF_INT, %al ;\
outb $INT_CTL /* reenable interrupts in master pic */ ;\ outb $INT_CTL /* reenable interrupts in master pic */ ;\
@ -385,11 +385,10 @@ _ipc_entry:
/* stop user process cycles */ /* stop user process cycles */
push %ebp push %ebp
call _context_stop
add $4, %esp
/* for stack trace */ /* for stack trace */
movl $0, %ebp movl $0, %ebp
call _context_stop
add $4, %esp
call _do_ipc call _do_ipc
@ -422,11 +421,10 @@ _kernel_call_entry:
/* stop user process cycles */ /* stop user process cycles */
push %ebp push %ebp
call _context_stop
add $4, %esp
/* for stack trace */ /* for stack trace */
movl $0, %ebp movl $0, %ebp
call _context_stop
add $4, %esp
call _kernel_call call _kernel_call
@ -455,11 +453,10 @@ exception_entry_from_user:
/* stop user process cycles */ /* stop user process cycles */
push %ebp push %ebp
call _context_stop
add $4, %esp
/* for stack trace clear %ebp */ /* for stack trace clear %ebp */
movl $0, %ebp movl $0, %ebp
call _context_stop
add $4, %esp
/* /*
* push a pointer to the interrupt state pushed by the cpu and the * push a pointer to the interrupt state pushed by the cpu and the