Changeset 8fb47ec0 in mainline


Ignore:
Timestamp:
2010-01-08T20:08:21Z (14 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
bac86377
Parents:
f1a2c6e
Message:

Add EBP to ia32 istate.
Add interface to extract frame pointer from istate.

Location:
kernel/arch/ia32
Files:
2 edited

Legend:

Unmodified
Added
Removed

  • kernel/arch/ia32/include/interrupt.h

    rf1a2c6e r8fb47ec0  
    6969#define VECTOR_DEBUG_IPI                (IVT_FREEBASE + 2)
    7070
    71 typedef struct {
     71typedef struct istate {
    7272        uint32_t eax;
    7373        uint32_t ecx;
    7474        uint32_t edx;
     75        uint32_t ebp;
    7576
    7677        uint32_t gs;
    … …  
    102103}
    103104
     105static inline unative_t istate_get_fp(istate_t *istate)
     106{
     107        return istate->ebp;
     108}
     109
    104110extern void (* disable_irqs_function)(uint16_t irqmask);
    105111extern void (* enable_irqs_function)(uint16_t irqmask);

  • kernel/arch/ia32/src/asm.S

    rf1a2c6e r8fb47ec0  
    269269        pushl %gs
    270270
     271        pushl %ebp
    271272        pushl %edx
    272273        pushl %ecx
    … …  
    278279        movw %ax, %es
    279280
    280         cld
     281        # stop stack traces here
     282        xorl %ebp, %ebp
    281283
    282284        pushl %esp          # *istate
    … …  
    290292        popl %ecx
    291293        popl %edx
     294        popl %ebp
    292295       
    293296        popl %gs
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