/* i387-specific utility functions, for the remote server for GDB.
- Copyright (C) 2000-2013 Free Software Foundation, Inc.
+ Copyright (C) 2000-2014 Free Software Foundation, Inc.
This file is part of GDB.
static const int num_mpx_bnd_registers = 4;
static const int num_mpx_cfg_registers = 2;
+static const int num_avx512_k_registers = 8;
+static const int num_avx512_zmmh_low_registers = 16;
+static const int num_avx512_zmmh_high_registers = 16;
+static const int num_avx512_ymmh_registers = 16;
+static const int num_avx512_xmm_registers = 16;
/* Note: These functions preserve the reserved bits in control registers.
However, gdbserver promptly throws away that information. */
/* Space for 2 MPX configuration registers of 64 bits
plus reserved space. */
unsigned char mpx_cfg_space[16];
+
+ unsigned char reserved5[48];
+
+ /* Space for 8 OpMask register values of 64 bits. */
+ unsigned char k_space[64];
+
+ /* Space for 16 256-bit zmm0-15. */
+ unsigned char zmmh_low_space[512];
+
+ /* Space for 16 512-bit zmm16-31 values. */
+ unsigned char zmmh_high_space[1024];
};
void
unsigned long val, val2;
unsigned int clear_bv;
unsigned long long xstate_bv = 0;
- char raw[16];
+ char raw[64];
char *p;
/* Amd64 has 16 xmm regs; I386 has 8 xmm regs. */
int num_xmm_registers = register_size (regcache->tdesc, 0) == 8 ? 16 : 8;
if ((clear_bv & I386_XSTATE_BNDCFG))
for (i = 0; i < num_mpx_cfg_registers; i++)
memset (((char *) &fp->mpx_cfg_space[0]) + i * 8, 0, 8);
+
+ if ((clear_bv & I386_XSTATE_K))
+ for (i = 0; i < num_avx512_k_registers; i++)
+ memset (((char *) &fp->k_space[0]) + i * 8, 0, 8);
+
+ if ((clear_bv & I386_XSTATE_ZMM_H))
+ for (i = 0; i < num_avx512_zmmh_low_registers; i++)
+ memset (((char *) &fp->zmmh_low_space[0]) + i * 32, 0, 32);
+
+ if ((clear_bv & I386_XSTATE_ZMM))
+ {
+ for (i = 0; i < num_avx512_zmmh_high_registers; i++)
+ memset (((char *) &fp->zmmh_low_space[0]) + 32 + i * 64, 0, 32);
+ for (i = 0; i < num_avx512_xmm_registers; i++)
+ memset (((char *) &fp->zmmh_high_space[0]) + i * 64, 0, 16);
+ for (i = 0; i < num_avx512_ymmh_registers; i++)
+ memset (((char *) &fp->zmmh_high_space[0]) + 16 + i * 64, 0, 16);
+ }
}
/* Check if any x87 registers are changed. */
}
}
+ /* Check if any K registers are changed. */
+ if ((x86_xcr0 & I386_XSTATE_K))
+ {
+ int k0_regnum = find_regno (regcache->tdesc, "k0");
+
+ for (i = 0; i < num_avx512_k_registers; i++)
+ {
+ collect_register (regcache, i + k0_regnum, raw);
+ p = ((char *) &fp->k_space[0]) + i * 8;
+ if (memcmp (raw, p, 8) != 0)
+ {
+ xstate_bv |= I386_XSTATE_K;
+ memcpy (p, raw, 8);
+ }
+ }
+ }
+
+ /* Check if any of ZMM0H-ZMM15H registers are changed. */
+ if ((x86_xcr0 & I386_XSTATE_ZMM_H))
+ {
+ int zmm0h_regnum = find_regno (regcache->tdesc, "zmm0h");
+
+ for (i = 0; i < num_avx512_zmmh_low_registers; i++)
+ {
+ collect_register (regcache, i + zmm0h_regnum, raw);
+ p = ((char *) &fp->zmmh_low_space[0]) + i * 32;
+ if (memcmp (raw, p, 32) != 0)
+ {
+ xstate_bv |= I386_XSTATE_ZMM_H;
+ memcpy (p, raw, 32);
+ }
+ }
+ }
+
+ /* Check if any of ZMM16H-ZMM31H registers are changed. */
+ if ((x86_xcr0 & I386_XSTATE_ZMM))
+ {
+ int zmm16h_regnum = find_regno (regcache->tdesc, "zmm16h");
+
+ for (i = 0; i < num_avx512_zmmh_high_registers; i++)
+ {
+ collect_register (regcache, i + zmm16h_regnum, raw);
+ p = ((char *) &fp->zmmh_low_space[0]) + 32 + i * 64;
+ if (memcmp (raw, p, 32) != 0)
+ {
+ xstate_bv |= I386_XSTATE_ZMM;
+ memcpy (p, raw, 32);
+ }
+ }
+ }
+
+ /* Check if any XMM_AVX512 registers are changed. */
+ if ((x86_xcr0 & I386_XSTATE_ZMM))
+ {
+ int xmm_avx512_regnum = find_regno (regcache->tdesc, "xmm16");
+
+ for (i = 0; i < num_avx512_xmm_registers; i++)
+ {
+ collect_register (regcache, i + xmm_avx512_regnum, raw);
+ p = ((char *) &fp->zmmh_high_space[0]) + i * 64;
+ if (memcmp (raw, p, 16) != 0)
+ {
+ xstate_bv |= I386_XSTATE_ZMM;
+ memcpy (p, raw, 16);
+ }
+ }
+ }
+
+ /* Check if any YMMH_AVX512 registers are changed. */
+ if ((x86_xcr0 & I386_XSTATE_ZMM))
+ {
+ int ymmh_avx512_regnum = find_regno (regcache->tdesc, "ymm16h");
+
+ for (i = 0; i < num_avx512_ymmh_registers; i++)
+ {
+ collect_register (regcache, i + ymmh_avx512_regnum, raw);
+ p = ((char *) &fp->zmmh_high_space[0]) + 16 + i * 64;
+ if (memcmp (raw, p, 16) != 0)
+ {
+ xstate_bv |= I386_XSTATE_ZMM;
+ memcpy (p, raw, 16);
+ }
+ }
+ }
+
/* Update the corresponding bits in xstate_bv if any SSE/AVX
registers are changed. */
fp->xstate_bv |= xstate_bv;
}
}
+ if ((x86_xcr0 & I386_XSTATE_K) != 0)
+ {
+ int k0_regnum = find_regno (regcache->tdesc, "k0");
+
+ if ((clear_bv & I386_XSTATE_K) != 0)
+ {
+ for (i = 0; i < num_avx512_k_registers; i++)
+ supply_register_zeroed (regcache, i + k0_regnum);
+ }
+ else
+ {
+ p = (gdb_byte *) &fp->k_space[0];
+ for (i = 0; i < num_avx512_k_registers; i++)
+ supply_register (regcache, i + k0_regnum, p + i * 8);
+ }
+ }
+
+ if ((x86_xcr0 & I386_XSTATE_ZMM_H) != 0)
+ {
+ int zmm0h_regnum = find_regno (regcache->tdesc, "zmm0h");
+
+ if ((clear_bv & I386_XSTATE_ZMM_H) != 0)
+ {
+ for (i = 0; i < num_avx512_zmmh_low_registers; i++)
+ supply_register_zeroed (regcache, i + zmm0h_regnum);
+ }
+ else
+ {
+ p = (gdb_byte *) &fp->zmmh_low_space[0];
+ for (i = 0; i < num_avx512_zmmh_low_registers; i++)
+ supply_register (regcache, i + zmm0h_regnum, p + i * 32);
+ }
+ }
+
+ if ((x86_xcr0 & I386_XSTATE_ZMM) != 0)
+ {
+ int zmm16h_regnum = find_regno (regcache->tdesc, "zmm16h");
+ int ymm16h_regnum = find_regno (regcache->tdesc, "ymm16h");
+ int xmm16_regnum = find_regno (regcache->tdesc, "xmm16");
+
+ if ((clear_bv & I386_XSTATE_ZMM) != 0)
+ {
+ for (i = 0; i < num_avx512_zmmh_high_registers; i++)
+ supply_register_zeroed (regcache, i + zmm16h_regnum);
+ for (i = 0; i < num_avx512_ymmh_registers; i++)
+ supply_register_zeroed (regcache, i + ymm16h_regnum);
+ for (i = 0; i < num_avx512_xmm_registers; i++)
+ supply_register_zeroed (regcache, i + xmm16_regnum);
+ }
+ else
+ {
+ p = (gdb_byte *) &fp->zmmh_high_space[0];
+ for (i = 0; i < num_avx512_zmmh_high_registers; i++)
+ supply_register (regcache, i + zmm16h_regnum, p + 32 + i * 64);
+ for (i = 0; i < num_avx512_ymmh_registers; i++)
+ supply_register (regcache, i + ymm16h_regnum, p + 16 + i * 64);
+ for (i = 0; i < num_avx512_xmm_registers; i++)
+ supply_register (regcache, i + xmm16_regnum, p + i * 64);
+ }
+ }
+
supply_register_by_name (regcache, "fioff", &fp->fioff);
supply_register_by_name (regcache, "fooff", &fp->fooff);
supply_register_by_name (regcache, "mxcsr", &fp->mxcsr);
projects / deliverable / binutils-gdb.git / blobdiff