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73871ee3f21b13b88f2f20a39a1d9bc751bcc1df
musl/arch/arm/bits/user.h

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make sys/procfs.h mostly work on most archs these structures are purely for use by trace/debug tools and tools working with core files. the definition of fpregset_t, which was previously here, has been removed because it was wrong; fpregset_t should be the type used in mcontext_t, not the type used in ptrace/core stuff.
2012-11-25 22:28:18 -05:00
typedef struct user_fpregs {
initial commit of the arm port this port assumes eabi calling conventions, eabi linux syscall convention, and presence of the kernel helpers at 0xffff0f?0 needed for threads support. otherwise it makes very few assumptions, and the code should work even on armv4 without thumb support, as well as on systems with thumb interworking. the bits headers declare this a little endian system, but as far as i can tell the code should work equally well on big endian. some small details are probably broken; so far, testing has been limited to qemu/aboriginal linux.
2011-09-18 16:44:54 -04:00
struct fp_reg {
unsigned sign1:1;
unsigned unused:15;
unsigned sign2:1;
unsigned exponent:14;
unsigned j:1;
unsigned mantissa1:31;
unsigned mantissa0:32;
} fpregs[8];
unsigned fpsr:32;
unsigned fpcr:32;
unsigned char ftype[8];
unsigned int init_flag;
make sys/procfs.h mostly work on most archs these structures are purely for use by trace/debug tools and tools working with core files. the definition of fpregset_t, which was previously here, has been removed because it was wrong; fpregset_t should be the type used in mcontext_t, not the type used in ptrace/core stuff.
2012-11-25 22:28:18 -05:00
} elf_fpregset_t;
initial commit of the arm port this port assumes eabi calling conventions, eabi linux syscall convention, and presence of the kernel helpers at 0xffff0f?0 needed for threads support. otherwise it makes very few assumptions, and the code should work even on armv4 without thumb support, as well as on systems with thumb interworking. the bits headers declare this a little endian system, but as far as i can tell the code should work equally well on big endian. some small details are probably broken; so far, testing has been limited to qemu/aboriginal linux.
2011-09-18 16:44:54 -04:00
begin sys/user.h and sys/reg.h fixes for ports aside from microblaze, these should be roughly correct for all archs now. some misc junk macros and typedefs are missing, which should probably be added for max compatibility with trace/debug tools.
2012-11-23 20:05:43 -05:00
struct user_regs {
initial commit of the arm port this port assumes eabi calling conventions, eabi linux syscall convention, and presence of the kernel helpers at 0xffff0f?0 needed for threads support. otherwise it makes very few assumptions, and the code should work even on armv4 without thumb support, as well as on systems with thumb interworking. the bits headers declare this a little endian system, but as far as i can tell the code should work equally well on big endian. some small details are probably broken; so far, testing has been limited to qemu/aboriginal linux.
2011-09-18 16:44:54 -04:00
unsigned long uregs[18];
};
make sys/procfs.h mostly work on most archs these structures are purely for use by trace/debug tools and tools working with core files. the definition of fpregset_t, which was previously here, has been removed because it was wrong; fpregset_t should be the type used in mcontext_t, not the type used in ptrace/core stuff.
2012-11-25 22:28:18 -05:00
#define ELF_NGREG 18
typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG];
initial commit of the arm port this port assumes eabi calling conventions, eabi linux syscall convention, and presence of the kernel helpers at 0xffff0f?0 needed for threads support. otherwise it makes very few assumptions, and the code should work even on armv4 without thumb support, as well as on systems with thumb interworking. the bits headers declare this a little endian system, but as far as i can tell the code should work equally well on big endian. some small details are probably broken; so far, testing has been limited to qemu/aboriginal linux.
2011-09-18 16:44:54 -04:00
begin sys/user.h and sys/reg.h fixes for ports aside from microblaze, these should be roughly correct for all archs now. some misc junk macros and typedefs are missing, which should probably be added for max compatibility with trace/debug tools.
2012-11-23 20:05:43 -05:00
struct user {
struct user_regs regs;
int u_fpvalid;
unsigned long u_tsize, u_dsize, u_ssize;
unsigned long start_code, start_stack;
long signal;
fix regression in arm user.h that happened during big user.h changes
2012-12-04 09:32:45 -05:00
int reserved;
begin sys/user.h and sys/reg.h fixes for ports aside from microblaze, these should be roughly correct for all archs now. some misc junk macros and typedefs are missing, which should probably be added for max compatibility with trace/debug tools.
2012-11-23 20:05:43 -05:00
struct user_regs *u_ar0;
unsigned long magic;
char u_comm[32];
int u_debugreg[8];
struct user_fpregs u_fp;
struct user_fpregs *u_fp0;
initial commit of the arm port this port assumes eabi calling conventions, eabi linux syscall convention, and presence of the kernel helpers at 0xffff0f?0 needed for threads support. otherwise it makes very few assumptions, and the code should work even on armv4 without thumb support, as well as on systems with thumb interworking. the bits headers declare this a little endian system, but as far as i can tell the code should work equally well on big endian. some small details are probably broken; so far, testing has been limited to qemu/aboriginal linux.
2011-09-18 16:44:54 -04:00
};
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