From 5df4854ed21641e5f82e17677fc385e05480ce3a Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Thu, 11 May 2017 14:15:26 +0000 Subject: Condition some sys/ucontext.h contents on __USE_MISC (bug 21457). Continuing the fixes for namespace issues arising from sys/ucontext.h, this patch conditions various definitions, that are not needed for defining mcontext_t / ucontext_t, on __USE_MISC, so they do not appear in strict POSIX modes. This patch is non-exhaustive; that is, it only conditions straightforward cases and there may be more such definitions that can be conditioned for these and other architectures, to be dealt with later in separate patches. Also, using __USE_MISC is the minimum change for these definitions where they conflict with POSIX; some headers already have __USE_GNU conditionals on similar definitions of names for registers. The patch specifically does not do anything with definitions in bits/sigcontext.h, and nor does it condition any inclusions of bits/sigcontext.h even where in fact that is not needed on some architectures for the definitions of mcontext_t / ucontext_t. As other namespace issues in these headers remain, this patch does not fix bug 21457, nor allow any XFAILs to be removed. Tested with build-many-glibcs.py. [BZ #21457] * sysdeps/arm/sys/ucontext.h (R0): Condition on [__USE_MISC]. (R1): Likewise. (R2): Likewise. (R3): Likewise. (R4): Likewise. (R5): Likewise. (R6): Likewise. (R7): Likewise. (R8): Likewise. (R9): Likewise. (R10): Likewise. (R11): Likewise. (R12): Likewise. (R13): Likewise. (R14): Likewise. (R15): Likewise. * sysdeps/i386/sys/ucontext.h (REG_GS): Likewise. (REG_FS): Likewise. (REG_ES): Likewise. (REG_DS): Likewise. (REG_EDI): Likewise. (REG_ESI): Likewise. (REG_EBP): Likewise. (REG_ESP): Likewise. (REG_EBX): Likewise. (REG_EDX): Likewise. (REG_ECX): Likewise. (REG_EAX): Likewise. (REG_TRAPNO): Likewise. (REG_ERR): Likewise. (REG_EIP): Likewise. (REG_CS): Likewise. (REG_EFL): Likewise. (REG_UESP): Likewise. (REG_SS): Likewise. * sysdeps/m68k/sys/ucontext.h (R_D0): Likewise. (R_D1): Likewise. (R_D2): Likewise. (R_D3): Likewise. (R_D4): Likewise. (R_D5): Likewise. (R_D6): Likewise. (R_D7): Likewise. (R_A0): Likewise. (R_A1): Likewise. (R_A2): Likewise. (R_A3): Likewise. (R_A4): Likewise. (R_A5): Likewise. (R_A6): Likewise. (R_A7): Likewise. (R_SP): Likewise. (R_PC): Likewise. (R_PS): Likewise. (fpregset_t): Likewise. (MCONTEXT_VERSION): Likewise. * sysdeps/mips/sys/ucontext.h (CTX_R0): Likewise. (CTX_AT): Likewise. (CTX_V0): Likewise. (CTX_V1): Likewise. (CTX_A0): Likewise. (CTX_A1): Likewise. (CTX_A2): Likewise. (CTX_A3): Likewise. (CTX_T0): Likewise. (CTX_T1): Likewise. (CTX_T2): Likewise. (CTX_T3): Likewise. (CTX_T4): Likewise. (CTX_T5): Likewise. (CTX_T6): Likewise. (CTX_T7): Likewise. (CTX_S0): Likewise. (CTX_S1): Likewise. (CTX_S2): Likewise. (CTX_S3): Likewise. (CTX_S4): Likewise. (CTX_S5): Likewise. (CTX_S6): Likewise. (CTX_S7): Likewise. (CTX_T8): Likewise. (CTX_T9): Likewise. (CTX_K0): Likewise. (CTX_K1): Likewise. (CTX_GP): Likewise. (CTX_SP): Likewise. (CTX_S8): Likewise. (CTX_RA): Likewise. (CTX_MDLO): Likewise. (CTX_MDHI): Likewise. (CTX_CAUSE): Likewise. (CTX_EPC): Likewise. * sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h: Condition inclusion of on [__USE_MISC]. (greg_t): Condition on [__USE_MISC]. (gregset_t): Likewise. (fpregset_t): Likewise. * sysdeps/unix/sysv/linux/arm/sys/ucontext.h (greg_t): Likewise. (NGREG): Likewise. (gregset_t): Likewise. (REG_R0): Likewise. (REG_R1): Likewise. (REG_R2): Likewise. (REG_R3): Likewise. (REG_R4): Likewise. (REG_R5): Likewise. (REG_R6): Likewise. (REG_R7): Likewise. (REG_R8): Likewise. (REG_R9): Likewise. (REG_R10): Likewise. (REG_R11): Likewise. (REG_R12): Likewise. (REG_R13): Likewise. (REG_R14): Likewise. (REG_R15): Likewise. (struct _libc_fpstate): Likewise. (fpregset_t): Likewise. * sysdeps/unix/sysv/linux/hppa/sys/ucontext.h (NGREG): Likewise. (NFPREG): Likewise. (gregset_t): Likewise. (fpregset_t): Likewise. * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h (R_D0): Likewise. (R_D1): Likewise. (R_D2): Likewise. (R_D3): Likewise. (R_D4): Likewise. (R_D5): Likewise. (R_D6): Likewise. (R_D7): Likewise. (R_A0): Likewise. (R_A1): Likewise. (R_A2): Likewise. (R_A3): Likewise. (R_A4): Likewise. (R_A5): Likewise. (R_A6): Likewise. (R_A7): Likewise. (R_SP): Likewise. (R_PC): Likewise. (R_PS): Likewise. (fpregset_t): Likewise. (MCONTEXT_VERSION): Likewise. * sysdeps/unix/sysv/linux/nios2/sys/ucontext.h (MCONTEXT_VERSION): Likewise. * sysdeps/unix/sysv/linux/sh/sys/ucontext.h (REG_R0): Likewise. (REG_R1): Likewise. (REG_R2): Likewise. (REG_R3): Likewise. (REG_R4): Likewise. (REG_R5): Likewise. (REG_R6): Likewise. (REG_R7): Likewise. (REG_R8): Likewise. (REG_R9): Likewise. (REG_R10): Likewise. (REG_R11): Likewise. (REG_R12): Likewise. (REG_R13): Likewise. (REG_R14): Likewise. (REG_R15): Likewise. * sysdeps/unix/sysv/linux/tile/sys/ucontext.h: Condition inclusion of on [__USE_MISC]. (greg_t): Condition on [__USE_MISC]. (NGREG): Likewise. (gregset_t): Likewise. --- sysdeps/unix/sysv/linux/arm/sys/ucontext.h | 36 ++++++++++++++++-------------- 1 file changed, 19 insertions(+), 17 deletions(-) (limited to 'sysdeps/unix/sysv/linux/arm/sys') diff --git a/sysdeps/unix/sysv/linux/arm/sys/ucontext.h b/sysdeps/unix/sysv/linux/arm/sys/ucontext.h index cdd39654eb..aedeccdabe 100644 --- a/sysdeps/unix/sysv/linux/arm/sys/ucontext.h +++ b/sysdeps/unix/sysv/linux/arm/sys/ucontext.h @@ -29,10 +29,11 @@ #include +#ifdef __USE_MISC typedef int greg_t; /* Number of general registers. */ -#define NGREG 18 +# define NGREG 18 /* Container for all general registers. */ typedef greg_t gregset_t[NGREG]; @@ -41,37 +42,37 @@ typedef greg_t gregset_t[NGREG]; enum { REG_R0 = 0, -#define REG_R0 REG_R0 +# define REG_R0 REG_R0 REG_R1 = 1, -#define REG_R1 REG_R1 +# define REG_R1 REG_R1 REG_R2 = 2, -#define REG_R2 REG_R2 +# define REG_R2 REG_R2 REG_R3 = 3, -#define REG_R3 REG_R3 +# define REG_R3 REG_R3 REG_R4 = 4, -#define REG_R4 REG_R4 +# define REG_R4 REG_R4 REG_R5 = 5, -#define REG_R5 REG_R5 +# define REG_R5 REG_R5 REG_R6 = 6, -#define REG_R6 REG_R6 +# define REG_R6 REG_R6 REG_R7 = 7, -#define REG_R7 REG_R7 +# define REG_R7 REG_R7 REG_R8 = 8, -#define REG_R8 REG_R8 +# define REG_R8 REG_R8 REG_R9 = 9, -#define REG_R9 REG_R9 +# define REG_R9 REG_R9 REG_R10 = 10, -#define REG_R10 REG_R10 +# define REG_R10 REG_R10 REG_R11 = 11, -#define REG_R11 REG_R11 +# define REG_R11 REG_R11 REG_R12 = 12, -#define REG_R12 REG_R12 +# define REG_R12 REG_R12 REG_R13 = 13, -#define REG_R13 REG_R13 +# define REG_R13 REG_R13 REG_R14 = 14, -#define REG_R14 REG_R14 +# define REG_R14 REG_R14 REG_R15 = 15 -#define REG_R15 REG_R15 +# define REG_R15 REG_R15 }; struct _libc_fpstate @@ -93,6 +94,7 @@ struct _libc_fpstate }; /* Structure to describe FPU registers. */ typedef struct _libc_fpstate fpregset_t; +#endif /* Context to describe whole processor state. This only describes the core registers; coprocessor registers get saved elsewhere -- cgit 1.4.1