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Fix clobbering i386 registers when making Linux syscalls
+13
-7
+13
-7
src/kernel/emulation/linux/base.c
+13
-7
src/kernel/emulation/linux/base.c
···
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__builtin_unreachable();
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*/
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__asm__("push %ebp\n"
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"push %ebx\n"
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"push %esi\n"
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"push %edi\n"
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"call 1f\n"
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"1:\n"
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"pop %ebp\n"
···
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"push %ebp\n"
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"push %ecx\n"
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"push %edx\n"
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-
"movl 28+16(%esp), %eax\n"
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"movl 4+16(%esp), %ebx\n"
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"movl 8+16(%esp), %ecx\n"
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"movl 12+16(%esp), %edx\n"
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"movl 16+16(%esp), %esi\n"
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"movl 20+16(%esp), %edi\n"
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"movl 28+28(%esp), %eax\n"
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"movl 4+28(%esp), %ebx\n"
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"movl 8+28(%esp), %ecx\n"
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"movl 12+28(%esp), %edx\n"
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"movl 16+28(%esp), %esi\n"
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"movl 20+28(%esp), %edi\n"
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"push %ebp\n"
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"movl 24+16(%esp), %ebp\n"
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"movl 24+28(%esp), %ebp\n"
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"movl %ebp, -4(%esp)\n"
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"movl %esp, %ebp\n"
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"sysenter\n"
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"2:\n"
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"pop %edi\n"
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"pop %esi\n"
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"pop %ebx\n"
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"pop %ebp\n"
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"ret"
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);