mirror of
https://git.musl-libc.org/git/musl
synced 2025-01-10 16:42:59 +03:00
150747b41e
when _GNU_SOURCE is defined, which is always the case when compiling
c++ with gcc, these macros for the the indices in gregset_t are
exposed and likely to clash with applications. by using enum constants
rather than macros defined with integer literals, we can make the
clash slightly less likely to break software. the macros are still
defined in case anything checks for them with #ifdef, but they're
defined to expand to themselves so that non-file-scope (e.g.
namespaced) identifiers by the same names still work.
for the sake of avoiding mistakes, the changes were generated with sed
via the command:
sed -i -e 's/#define *\(REG_[A-Z_0-9]\{1,\}\) *\([0-9]\{1,\}\)'\
'/enum { \1 = \2 };\n#define \1 \1/' \
arch/i386/bits/signal.h arch/x86_64/bits/signal.h arch/x32/bits/signal.h
143 lines
3.1 KiB
C
143 lines
3.1 KiB
C
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
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|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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#define MINSIGSTKSZ 2048
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#define SIGSTKSZ 8192
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#endif
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#ifdef _GNU_SOURCE
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enum { REG_GS = 0 };
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#define REG_GS REG_GS
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enum { REG_FS = 1 };
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#define REG_FS REG_FS
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enum { REG_ES = 2 };
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#define REG_ES REG_ES
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enum { REG_DS = 3 };
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#define REG_DS REG_DS
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enum { REG_EDI = 4 };
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#define REG_EDI REG_EDI
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enum { REG_ESI = 5 };
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#define REG_ESI REG_ESI
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enum { REG_EBP = 6 };
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#define REG_EBP REG_EBP
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enum { REG_ESP = 7 };
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#define REG_ESP REG_ESP
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enum { REG_EBX = 8 };
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#define REG_EBX REG_EBX
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enum { REG_EDX = 9 };
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#define REG_EDX REG_EDX
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enum { REG_ECX = 10 };
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#define REG_ECX REG_ECX
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enum { REG_EAX = 11 };
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#define REG_EAX REG_EAX
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enum { REG_TRAPNO = 12 };
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#define REG_TRAPNO REG_TRAPNO
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enum { REG_ERR = 13 };
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#define REG_ERR REG_ERR
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enum { REG_EIP = 14 };
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#define REG_EIP REG_EIP
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enum { REG_CS = 15 };
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#define REG_CS REG_CS
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enum { REG_EFL = 16 };
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#define REG_EFL REG_EFL
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enum { REG_UESP = 17 };
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#define REG_UESP REG_UESP
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enum { REG_SS = 18 };
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#define REG_SS REG_SS
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#endif
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#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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typedef int greg_t, gregset_t[19];
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typedef struct _fpstate {
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unsigned long cw, sw, tag, ipoff, cssel, dataoff, datasel;
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struct {
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unsigned short significand[4], exponent;
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} _st[8];
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unsigned long status;
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} *fpregset_t;
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struct sigcontext {
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unsigned short gs, __gsh, fs, __fsh, es, __esh, ds, __dsh;
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unsigned long edi, esi, ebp, esp, ebx, edx, ecx, eax;
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unsigned long trapno, err, eip;
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unsigned short cs, __csh;
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unsigned long eflags, esp_at_signal;
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unsigned short ss, __ssh;
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struct _fpstate *fpstate;
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unsigned long oldmask, cr2;
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};
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typedef struct {
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gregset_t gregs;
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fpregset_t fpregs;
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unsigned long oldmask, cr2;
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} mcontext_t;
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#else
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typedef struct {
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unsigned __space[22];
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} mcontext_t;
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#endif
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struct sigaltstack {
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void *ss_sp;
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int ss_flags;
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size_t ss_size;
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};
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typedef struct __ucontext {
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unsigned long uc_flags;
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struct __ucontext *uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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sigset_t uc_sigmask;
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unsigned long __fpregs_mem[28];
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} ucontext_t;
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#define SA_NOCLDSTOP 1
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#define SA_NOCLDWAIT 2
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#define SA_SIGINFO 4
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#define SA_ONSTACK 0x08000000
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#define SA_RESTART 0x10000000
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#define SA_NODEFER 0x40000000
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#define SA_RESETHAND 0x80000000
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#define SA_RESTORER 0x04000000
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#endif
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGQUIT 3
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#define SIGILL 4
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#define SIGTRAP 5
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#define SIGABRT 6
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#define SIGIOT SIGABRT
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#define SIGBUS 7
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGUSR1 10
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#define SIGSEGV 11
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#define SIGUSR2 12
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGTERM 15
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#define SIGSTKFLT 16
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#define SIGCHLD 17
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#define SIGCONT 18
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#define SIGSTOP 19
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#define SIGTSTP 20
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#define SIGTTIN 21
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#define SIGTTOU 22
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#define SIGURG 23
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#define SIGXCPU 24
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#define SIGXFSZ 25
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#define SIGVTALRM 26
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#define SIGPROF 27
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#define SIGWINCH 28
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#define SIGIO 29
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#define SIGPOLL 29
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#define SIGPWR 30
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#define SIGSYS 31
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#define SIGUNUSED SIGSYS
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#define _NSIG 65
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