cc6ca9b35c
struct sigframe. We need more than only the signal context. o Properly convert the signal mask when setting up the signal frame in linux_sendsig and properly convert it back in linux_sigreturn. Do some cleanups and improve style while here.
37 lines
1.0 KiB
ArmAsm
37 lines
1.0 KiB
ArmAsm
/* $FreeBSD$ */
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#include "linux_assym.h" /* system definitions */
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#include <machine/asmacros.h> /* miscellaneous asm macros */
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#include <i386/linux/linux_syscall.h> /* system call numbers */
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NON_GPROF_ENTRY(linux_sigcode)
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call *LINUX_SIGF_HANDLER(%esp)
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leal LINUX_SIGF_SC(%esp),%ebx /* linux scp */
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movl LINUX_SC_GS(%ebx),%gs
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movl %esp, %ebx /* pass sigframe */
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push %eax /* fake ret addr */
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movl $LINUX_SYS_linux_sigreturn,%eax /* linux_sigreturn() */
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int $0x80 /* enter kernel with args */
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0: jmp 0b
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ALIGN_TEXT
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/* XXXXX */
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_linux_rt_sigcode:
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call *LINUX_RT_SIGF_HANDLER(%esp)
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leal LINUX_RT_SIGF_UC(%esp),%ebx /* linux ucp */
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movl LINUX_SC_GS(%ebx),%gs
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push %eax /* fake ret addr */
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movl $LINUX_SYS_linux_rt_sigreturn,%eax /* linux_rt_sigreturn() */
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int $0x80 /* enter kernel with args */
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0: jmp 0b
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ALIGN_TEXT
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/* XXXXX */
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_linux_esigcode:
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.data
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.globl _linux_szsigcode, _linux_sznonrtsigcode
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_linux_szsigcode:
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.long _linux_esigcode-_linux_sigcode
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_linux_sznonrtsigcode:
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.long _linux_rt_sigcode-_linux_sigcode
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