diff options
Diffstat (limited to 'gdb/gdbserver/linux-ppc-low.c')
| -rw-r--r-- | gdb/gdbserver/linux-ppc-low.c | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/gdb/gdbserver/linux-ppc-low.c b/gdb/gdbserver/linux-ppc-low.c index c03b50a..a7bd83f 100644 --- a/gdb/gdbserver/linux-ppc-low.c +++ b/gdb/gdbserver/linux-ppc-low.c @@ -25,6 +25,7 @@ #include <asm/ptrace.h> /* These are in <asm/cputable.h> in current kernels. */ +#define PPC_FEATURE_HAS_VSX 0x00000080 #define PPC_FEATURE_HAS_ALTIVEC 0x10000000 #define PPC_FEATURE_HAS_SPE 0x00800000 @@ -35,12 +36,16 @@ static unsigned long ppc_hwcap; void init_registers_powerpc_32l (void); /* Defined in auto-generated file powerpc-altivec32l.c. */ void init_registers_powerpc_altivec32l (void); +/* Defined in auto-generated file powerpc-vsx32l.c. */ +void init_registers_powerpc_vsx32l (void); /* Defined in auto-generated file powerpc-e500l.c. */ void init_registers_powerpc_e500l (void); /* Defined in auto-generated file powerpc-64l.c. */ void init_registers_powerpc_64l (void); /* Defined in auto-generated file powerpc-altivec64l.c. */ void init_registers_powerpc_altivec64l (void); +/* Defined in auto-generated file powerpc-vsx64l.c. */ +void init_registers_powerpc_vsx64l (void); #define ppc_num_regs 73 @@ -254,9 +259,10 @@ ppc_arch_setup (void) if (msr < 0) { ppc_get_hwcap (&ppc_hwcap); - if (ppc_hwcap & PPC_FEATURE_HAS_ALTIVEC) + if (ppc_hwcap & PPC_FEATURE_HAS_VSX) + init_registers_powerpc_vsx64l (); + else if (ppc_hwcap & PPC_FEATURE_HAS_ALTIVEC) init_registers_powerpc_altivec64l (); - return; } #endif @@ -265,9 +271,12 @@ ppc_arch_setup (void) init_registers_powerpc_32l (); ppc_get_hwcap (&ppc_hwcap); - if (ppc_hwcap & PPC_FEATURE_HAS_ALTIVEC) + if (ppc_hwcap & PPC_FEATURE_HAS_VSX) + init_registers_powerpc_vsx32l (); + else if (ppc_hwcap & PPC_FEATURE_HAS_ALTIVEC) init_registers_powerpc_altivec32l (); + /* On 32-bit machines, check for SPE registers. Set the low target's regmap field as appropriately. */ #ifndef __powerpc64__ @@ -316,6 +325,41 @@ static void ppc_fill_gregset (void *buf) ppc_collect_ptrace_register (i, (char *) buf + ppc_regmap[i]); } +#ifndef PTRACE_GETVSXREGS +#define PTRACE_GETVSXREGS 27 +#define PTRACE_SETVSXREGS 28 +#endif + +#define SIZEOF_VSXREGS 32*8 + +static void +ppc_fill_vsxregset (void *buf) +{ + int i, base; + char *regset = buf; + + if (!(ppc_hwcap & PPC_FEATURE_HAS_VSX)) + return; + + base = find_regno ("vs0h"); + for (i = 0; i < 32; i++) + collect_register (base + i, ®set[i * 8]); +} + +static void +ppc_store_vsxregset (const void *buf) +{ + int i, base; + const char *regset = buf; + + if (!(ppc_hwcap & PPC_FEATURE_HAS_VSX)) + return; + + base = find_regno ("vs0h"); + for (i = 0; i < 32; i++) + supply_register (base + i, ®set[i * 8]); +} + #ifndef PTRACE_GETVRREGS #define PTRACE_GETVRREGS 18 #define PTRACE_SETVRREGS 19 @@ -408,6 +452,8 @@ struct regset_info target_regsets[] = { fetch them every time, but still fall back to PTRACE_PEEKUSER for the general registers. Some kernels support these, but not the newer PPC_PTRACE_GETREGS. */ + { PTRACE_GETVSXREGS, PTRACE_SETVSXREGS, SIZEOF_VSXREGS, EXTENDED_REGS, + ppc_fill_vsxregset, ppc_store_vsxregset }, { PTRACE_GETVRREGS, PTRACE_SETVRREGS, SIZEOF_VRREGS, EXTENDED_REGS, ppc_fill_vrregset, ppc_store_vrregset }, { PTRACE_GETEVRREGS, PTRACE_SETEVRREGS, 32 * 4 + 8 + 4, EXTENDED_REGS, |