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ntdll: Switch linux to siginfo-style signal handling.

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This commit is contained in:
Alexandre Julliard 2006-08-11 14:14:38 +02:00
parent acb7f8abe2
commit 38cf3a4305
1 changed files with 23 additions and 56 deletions
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79
dlls/ntdll/signal_i386.c
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@ -65,60 +65,36 @@
*/
#ifdef linux
typedef struct
{
unsigned short sc_gs, __gsh;
unsigned short sc_fs, __fsh;
unsigned short sc_es, __esh;
unsigned short sc_ds, __dsh;
unsigned long sc_edi;
unsigned long sc_esi;
unsigned long sc_ebp;
unsigned long sc_esp;
unsigned long sc_ebx;
unsigned long sc_edx;
unsigned long sc_ecx;
unsigned long sc_eax;
unsigned long sc_trapno;
unsigned long sc_err;
unsigned long sc_eip;
unsigned short sc_cs, __csh;
unsigned long sc_eflags;
unsigned long esp_at_signal;
unsigned short sc_ss, __ssh;
unsigned long i387;
unsigned long oldmask;
unsigned long cr2;
} volatile SIGCONTEXT;
#define HANDLER_DEF(name) void name( int __signal, SIGCONTEXT __context )
#define HANDLER_CONTEXT (&__context)
typedef ucontext_t SIGCONTEXT;
#define EAX_sig(context) ((context)->sc_eax)
#define EBX_sig(context) ((context)->sc_ebx)
#define ECX_sig(context) ((context)->sc_ecx)
#define EDX_sig(context) ((context)->sc_edx)
#define ESI_sig(context) ((context)->sc_esi)
#define EDI_sig(context) ((context)->sc_edi)
#define EBP_sig(context) ((context)->sc_ebp)
#define HANDLER_DEF(name) void name( int __signal, siginfo_t *__siginfo, SIGCONTEXT *__context )
#define HANDLER_CONTEXT __context
#define CS_sig(context) ((context)->sc_cs)
#define DS_sig(context) ((context)->sc_ds)
#define ES_sig(context) ((context)->sc_es)
#define FS_sig(context) ((context)->sc_fs)
#define GS_sig(context) ((context)->sc_gs)
#define SS_sig(context) ((context)->sc_ss)
#define EAX_sig(context) ((context)->uc_mcontext.gregs[REG_EAX])
#define EBX_sig(context) ((context)->uc_mcontext.gregs[REG_EBX])
#define ECX_sig(context) ((context)->uc_mcontext.gregs[REG_ECX])
#define EDX_sig(context) ((context)->uc_mcontext.gregs[REG_EDX])
#define ESI_sig(context) ((context)->uc_mcontext.gregs[REG_ESI])
#define EDI_sig(context) ((context)->uc_mcontext.gregs[REG_EDI])
#define EBP_sig(context) ((context)->uc_mcontext.gregs[REG_EBP])
#define ESP_sig(context) ((context)->uc_mcontext.gregs[REG_ESP])
#define TRAP_sig(context) ((context)->sc_trapno)
#define ERROR_sig(context) ((context)->sc_err)
#define EFL_sig(context) ((context)->sc_eflags)
#define CS_sig(context) ((context)->uc_mcontext.gregs[REG_CS])
#define DS_sig(context) ((context)->uc_mcontext.gregs[REG_DS])
#define ES_sig(context) ((context)->uc_mcontext.gregs[REG_ES])
#define SS_sig(context) ((context)->uc_mcontext.gregs[REG_SS])
#define FS_sig(context) ((context)->uc_mcontext.gregs[REG_FS])
#define GS_sig(context) ((context)->uc_mcontext.gregs[REG_GS])
#define EIP_sig(context) ((context)->sc_eip)
#define ESP_sig(context) ((context)->sc_esp)
#define EFL_sig(context) ((context)->uc_mcontext.gregs[REG_EFL])
#define EIP_sig(context) ((context)->uc_mcontext.gregs[REG_EIP])
#define TRAP_sig(context) ((context)->uc_mcontext.gregs[REG_TRAPNO])
#define ERROR_sig(context) ((context)->uc_mcontext.gregs[REG_ERR])
#define FPU_sig(context) ((FLOATING_SAVE_AREA*)((context)->i387))
#define FPU_sig(context) ((FLOATING_SAVE_AREA*)((context)->uc_mcontext.fpregs))
#define FAULT_ADDRESS ((void *)HANDLER_CONTEXT->cr2)
#define FAULT_ADDRESS (__siginfo->si_addr)
#define VM86_EAX 0 /* the %eax value while vm86_enter is executing */
@ -1466,16 +1442,7 @@ BOOL SIGNAL_Init(void)
sigaddset( &sig_act.sa_mask, SIGINT );
sigaddset( &sig_act.sa_mask, SIGUSR1 );
sigaddset( &sig_act.sa_mask, SIGUSR2 );
#if defined(linux)
sig_act.sa_flags = SA_RESTART;
#elif defined (__svr4__) || defined(_SCO_DS) || defined(__APPLE__) || \
defined(__NetBSD__) || defined(__OpenBSD__) || \
defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
sig_act.sa_flags = SA_SIGINFO | SA_RESTART;
#else
sig_act.sa_flags = 0;
#endif
#ifdef SA_ONSTACK
sig_act.sa_flags |= SA_ONSTACK;