fixup mcontext stuff to expost gregset_t/fpregset_t as appropriate

diff --git a/arch/arm/bits/signal.h b/arch/arm/bits/signal.h
index 190b1d6..fd36bc7 100644 (file)
--- a/arch/arm/bits/signal.h
+++ b/arch/arm/bits/signal.h
@@ -2,6 +2,7 @@
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+typedef int greg_t, gregset_t[18];
 typedef struct sigcontext
 {
        unsigned long trap_no, error_code, oldmask;

diff --git a/arch/i386/bits/signal.h b/arch/i386/bits/signal.h
index 3caadea..29455ae 100644 (file)
--- a/arch/i386/bits/signal.h
+++ b/arch/i386/bits/signal.h
@@ -2,13 +2,14 @@
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-struct _fpstate {
+typedef int greg_t, gregset_t[19];
+typedef struct _fpstate {
        unsigned long cw, sw, tag, ipoff, cssel, dataoff, datasel;
        struct {
                unsigned short significand[4], exponent;
        } _st[8];
        unsigned long status;
-};
+} *fpregset_t;
 struct sigcontext {
        unsigned short gs, __gsh, fs, __fsh, es, __esh, ds, __dsh;
        unsigned long edi, esi, ebp, esp, ebx, edx, ecx, eax;
@@ -20,8 +21,8 @@ struct sigcontext {
        unsigned long oldmask, cr2;
 };
 typedef struct {
-       unsigned gregs[19];
-       struct _fpstate *fpregs;
+       gregset_t gregs;
+       fpregset_t fpregs;
        unsigned long oldmask, cr2;
 } mcontext_t;
 #else

diff --git a/arch/microblaze/bits/signal.h b/arch/microblaze/bits/signal.h
index bb60d0d..94aafd0 100644 (file)
--- a/arch/microblaze/bits/signal.h
+++ b/arch/microblaze/bits/signal.h
@@ -2,6 +2,7 @@
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+typedef unsigned long greg_t, gregset_t[38];
 typedef struct sigcontext
 {
        struct {

diff --git a/arch/mips/bits/signal.h b/arch/mips/bits/signal.h
index 9b4861d..857d3c0 100644 (file)
--- a/arch/mips/bits/signal.h
+++ b/arch/mips/bits/signal.h
@@ -2,13 +2,31 @@
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-typedef struct sigcontext
+typedef unsigned long long greg_t, gregset_t[32];
+typedef struct {
+       union {
+               double fp_dregs[32];
+               struct {
+                       float _fp_fregs;
+                       unsigned _fp_pad;
+               } fp_fregs[32];
+       } fp_r;
+} fpregset_t;
+struct sigcontext
 {
        unsigned sc_regmask, sc_status;
        unsigned long long sc_pc, sc_regs[32], sc_fpregs[32];
        unsigned sc_ownedfp, sc_fpc_csr, sc_fpc_eir, sc_used_math, sc_dsp;
        unsigned long long sc_mdhi, sc_mdlo;
        unsigned long sc_hi1, sc_lo1, sc_hi2, sc_lo2, sc_hi3, sc_lo3;
+};
+typedef struct
+{
+       unsigned regmask, status;
+       unsigned long long pc, regs[32], fpregs[32];
+       unsigned ownedfp, fpc_csr, fpc_eir, used_math, dsp;
+       unsigned long long mdhi, mdlo;
+       unsigned long hi1, lo1, hi2, lo2, hi3, lo3;
 } mcontext_t;
 #else
 typedef struct {

diff --git a/arch/powerpc/bits/signal.h b/arch/powerpc/bits/signal.h
index 7ee38fb..81012d5 100644 (file)
--- a/arch/powerpc/bits/signal.h
+++ b/arch/powerpc/bits/signal.h
@@ -3,7 +3,7 @@
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 
-typedef unsigned long gregset_t[48];
+typedef unsigned long greg_t, gregset_t[48];
 
 typedef struct {
        double fpregs[32];

diff --git a/arch/x86_64/bits/signal.h b/arch/x86_64/bits/signal.h
index 38f3bc4..9043aea 100644 (file)
--- a/arch/x86_64/bits/signal.h
+++ b/arch/x86_64/bits/signal.h
@@ -2,7 +2,8 @@
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-struct _fpstate {
+typedef long long greg_t, gregset_t[23];
+typedef struct _fpstate {
        unsigned short cwd, swd, ftw, fop;
        unsigned long long rip, rdp;
        unsigned mxcsr, mxcr_mask;
@@ -13,7 +14,7 @@ struct _fpstate {
                unsigned element[4];
        } _xmm[16];
        unsigned padding[24];
-};
+} *fpregset_t;
 struct sigcontext {
        unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
        unsigned long rdi, rsi, rbp, rbx, rdx, rax, rcx, rsp, rip, eflags;
@@ -23,8 +24,8 @@ struct sigcontext {
        unsigned long __reserved1[8];
 };
 typedef struct {
-       unsigned long long gregs[23];
-       struct _fpstate *fpregs;
+       gregset_t gregs;
+       fpregset_t fpregs;
        unsigned long long __reserved1[8];
 } mcontext_t;
 #else

diff --git a/include/signal.h b/include/signal.h
index bef8ae0..860f742 100644 (file)
--- a/include/signal.h
+++ b/include/signal.h
@@ -13,6 +13,7 @@ extern "C" {
 
 #ifdef _GNU_SOURCE
 #define __siginfo siginfo
+#define __ucontext ucontext
 #endif
 
 #define __NEED_size_t

diff --git a/include/ucontext.h b/include/ucontext.h
index 28d04ea..3bb776e 100644 (file)
--- a/include/ucontext.h
+++ b/include/ucontext.h
@@ -8,8 +8,8 @@ extern "C" {
 
 #include <signal.h>
 
-#ifdef _GNU_SOURCE
-#define ucontext __ucontext
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define NGREG (sizeof(gregset_t)/sizeof(greg_t))
 #endif
 
 struct __ucontext;