diff options
Diffstat (limited to 'gdb/i387-tdep.c')
| -rw-r--r-- | gdb/i387-tdep.c | 384 |
1 files changed, 375 insertions, 9 deletions
diff --git a/gdb/i387-tdep.c b/gdb/i387-tdep.c index d24d322..c58a000 100644 --- a/gdb/i387-tdep.c +++ b/gdb/i387-tdep.c @@ -763,8 +763,61 @@ static int xsave_avxh_offset[] = 576 + 15 * 16 /* Upper 128bit of ... %ymm15 (128 bits each). */ }; -static int xsave_mpx_offset[] = +#define XSAVE_AVXH_ADDR(tdep, xsave, regnum) \ + (xsave + xsave_avxh_offset[regnum - I387_YMM0H_REGNUM (tdep)]) + +/* At xsave_ymm_avx512_offset[REGNUM] you'll find the offset to the location in + the upper 128bit of ZMM register data structure used by the "xsave" + instruction where GDB register REGNUM is stored. */ + +static int xsave_ymm_avx512_offset[] = +{ + /* HI16_ZMM_area + 16 bytes + regnum* 64 bytes. */ + 1664 + 16 + 0 * 64, /* %ymm16 through... */ + 1664 + 16 + 1 * 64, + 1664 + 16 + 2 * 64, + 1664 + 16 + 3 * 64, + 1664 + 16 + 4 * 64, + 1664 + 16 + 5 * 64, + 1664 + 16 + 6 * 64, + 1664 + 16 + 7 * 64, + 1664 + 16 + 8 * 64, + 1664 + 16 + 9 * 64, + 1664 + 16 + 10 * 64, + 1664 + 16 + 11 * 64, + 1664 + 16 + 12 * 64, + 1664 + 16 + 13 * 64, + 1664 + 16 + 14 * 64, + 1664 + 16 + 15 * 64 /* ... %ymm31 (128 bits each). */ +}; + +#define XSAVE_YMM_AVX512_ADDR(tdep, xsave, regnum) \ + (xsave + xsave_ymm_avx512_offset[regnum - I387_YMM16H_REGNUM (tdep)]) + +static int xsave_xmm_avx512_offset[] = { + 1664 + 0 * 64, /* %ymm16 through... */ + 1664 + 1 * 64, + 1664 + 2 * 64, + 1664 + 3 * 64, + 1664 + 4 * 64, + 1664 + 5 * 64, + 1664 + 6 * 64, + 1664 + 7 * 64, + 1664 + 8 * 64, + 1664 + 9 * 64, + 1664 + 10 * 64, + 1664 + 11 * 64, + 1664 + 12 * 64, + 1664 + 13 * 64, + 1664 + 14 * 64, + 1664 + 15 * 64 /* ... %ymm31 (128 bits each). */ +}; + +#define XSAVE_XMM_AVX512_ADDR(tdep, xsave, regnum) \ + (xsave + xsave_xmm_avx512_offset[regnum - I387_XMM16_REGNUM (tdep)]) + +static int xsave_mpx_offset[] = { 960 + 0 * 16, /* bnd0r...bnd3r registers. */ 960 + 1 * 16, 960 + 2 * 16, @@ -773,19 +826,79 @@ static int xsave_mpx_offset[] = 1024 + 1 * 8, }; -#define XSAVE_AVXH_ADDR(tdep, xsave, regnum) \ - (xsave + xsave_avxh_offset[regnum - I387_YMM0H_REGNUM (tdep)]) - #define XSAVE_MPX_ADDR(tdep, xsave, regnum) \ (xsave + xsave_mpx_offset[regnum - I387_BND0R_REGNUM (tdep)]) + /* At xsave_avx512__h_offset[REGNUM] you find the offset to the location + of the AVX512 opmask register data structure used by the "xsave" + instruction where GDB register REGNUM is stored. */ + +static int xsave_avx512_k_offset[] = +{ + 1088 + 0 * 8, /* %k0 through... */ + 1088 + 1 * 8, + 1088 + 2 * 8, + 1088 + 3 * 8, + 1088 + 4 * 8, + 1088 + 5 * 8, + 1088 + 6 * 8, + 1088 + 7 * 8 /* %k7 (64 bits each). */ +}; + +#define XSAVE_AVX512_K_ADDR(tdep, xsave, regnum) \ + (xsave + xsave_avx512_k_offset[regnum - I387_K0_REGNUM (tdep)]) + +/* At xsave_avx512_zmm_h_offset[REGNUM] you find the offset to the location in + the upper 256bit of AVX512 ZMMH register data structure used by the "xsave" + instruction where GDB register REGNUM is stored. */ + +static int xsave_avx512_zmm_h_offset[] = +{ + 1152 + 0 * 32, + 1152 + 1 * 32, /* Upper 256bit of %zmmh0 through... */ + 1152 + 2 * 32, + 1152 + 3 * 32, + 1152 + 4 * 32, + 1152 + 5 * 32, + 1152 + 6 * 32, + 1152 + 7 * 32, + 1152 + 8 * 32, + 1152 + 9 * 32, + 1152 + 10 * 32, + 1152 + 11 * 32, + 1152 + 12 * 32, + 1152 + 13 * 32, + 1152 + 14 * 32, + 1152 + 15 * 32, /* Upper 256bit of... %zmmh15 (256 bits each). */ + 1664 + 32 + 0 * 64, /* Upper 256bit of... %zmmh16 (256 bits each). */ + 1664 + 32 + 1 * 64, + 1664 + 32 + 2 * 64, + 1664 + 32 + 3 * 64, + 1664 + 32 + 4 * 64, + 1664 + 32 + 5 * 64, + 1664 + 32 + 6 * 64, + 1664 + 32 + 7 * 64, + 1664 + 32 + 8 * 64, + 1664 + 32 + 9 * 64, + 1664 + 32 + 10 * 64, + 1664 + 32 + 11 * 64, + 1664 + 32 + 12 * 64, + 1664 + 32 + 13 * 64, + 1664 + 32 + 14 * 64, + 1664 + 32 + 15 * 64 /* Upper 256bit of... %zmmh31 (256 bits each). */ +}; + +#define XSAVE_AVX512_ZMM_H_ADDR(tdep, xsave, regnum) \ + (xsave + xsave_avx512_zmm_h_offset[regnum - I387_ZMM0H_REGNUM (tdep)]) + /* Similar to i387_supply_fxsave, but use XSAVE extended state. */ void i387_supply_xsave (struct regcache *regcache, int regnum, const void *xsave) { - struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache)); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); const gdb_byte *regs = xsave; int i; unsigned int clear_bv; @@ -797,7 +910,12 @@ i387_supply_xsave (struct regcache *regcache, int regnum, sse = 0x2, avxh = 0x4, mpx = 0x8, - all = x87 | sse | avxh | mpx + avx512_k = 0x10, + avx512_zmm_h = 0x20, + avx512_ymmh_avx512 = 0x40, + avx512_xmm_avx512 = 0x80, + all = x87 | sse | avxh | mpx | avx512_k | avx512_zmm_h + | avx512_ymmh_avx512 | avx512_xmm_avx512 } regclass; gdb_assert (regs != NULL); @@ -806,13 +924,25 @@ i387_supply_xsave (struct regcache *regcache, int regnum, if (regnum == -1) regclass = all; + else if (regnum >= I387_ZMM0H_REGNUM (tdep) + && regnum < I387_ZMMENDH_REGNUM (tdep)) + regclass = avx512_zmm_h; + else if (regnum >= I387_K0_REGNUM (tdep) + && regnum < I387_KEND_REGNUM (tdep)) + regclass = avx512_k; + else if (regnum >= I387_YMM16H_REGNUM (tdep) + && regnum < I387_YMMH_AVX512_END_REGNUM (tdep)) + regclass = avx512_ymmh_avx512; + else if (regnum >= I387_XMM16_REGNUM (tdep) + && regnum < I387_XMM_AVX512_END_REGNUM (tdep)) + regclass = avx512_xmm_avx512; else if (regnum >= I387_YMM0H_REGNUM (tdep) && regnum < I387_YMMENDH_REGNUM (tdep)) regclass = avxh; else if (regnum >= I387_BND0R_REGNUM (tdep) && regnum < I387_MPXEND_REGNUM (tdep)) regclass = mpx; - else if (regnum >= I387_XMM0_REGNUM(tdep) + else if (regnum >= I387_XMM0_REGNUM (tdep) && regnum < I387_MXCSR_REGNUM (tdep)) regclass = sse; else if (regnum >= I387_ST0_REGNUM (tdep) @@ -847,6 +977,38 @@ i387_supply_xsave (struct regcache *regcache, int regnum, case none: break; + case avx512_zmm_h: + if ((clear_bv & (I386_XSTATE_ZMM_H | I386_XSTATE_ZMM))) + regcache_raw_supply (regcache, regnum, zero); + else + regcache_raw_supply (regcache, regnum, + XSAVE_AVX512_ZMM_H_ADDR (tdep, regs, regnum)); + return; + + case avx512_k: + if ((clear_bv & I386_XSTATE_K)) + regcache_raw_supply (regcache, regnum, zero); + else + regcache_raw_supply (regcache, regnum, + XSAVE_AVX512_K_ADDR (tdep, regs, regnum)); + return; + + case avx512_ymmh_avx512: + if ((clear_bv & I386_XSTATE_ZMM)) + regcache_raw_supply (regcache, regnum, zero); + else + regcache_raw_supply (regcache, regnum, + XSAVE_YMM_AVX512_ADDR (tdep, regs, regnum)); + return; + + case avx512_xmm_avx512: + if ((clear_bv & I386_XSTATE_ZMM)) + regcache_raw_supply (regcache, regnum, zero); + else + regcache_raw_supply (regcache, regnum, + XSAVE_XMM_AVX512_ADDR (tdep, regs, regnum)); + return; + case avxh: if ((clear_bv & I386_XSTATE_AVX)) regcache_raw_supply (regcache, regnum, zero); @@ -880,6 +1042,74 @@ i387_supply_xsave (struct regcache *regcache, int regnum, return; case all: + /* Handle the upper ZMM registers. */ + if ((tdep->xcr0 & (I386_XSTATE_ZMM_H | I386_XSTATE_ZMM))) + { + if ((clear_bv & (I386_XSTATE_ZMM_H | I386_XSTATE_ZMM))) + { + for (i = I387_ZMM0H_REGNUM (tdep); + i < I387_ZMMENDH_REGNUM (tdep); + i++) + regcache_raw_supply (regcache, i, zero); + } + else + { + for (i = I387_ZMM0H_REGNUM (tdep); + i < I387_ZMMENDH_REGNUM (tdep); + i++) + regcache_raw_supply (regcache, i, + XSAVE_AVX512_ZMM_H_ADDR (tdep, regs, i)); + } + } + + /* Handle AVX512 OpMask registers. */ + if ((tdep->xcr0 & I386_XSTATE_K)) + { + if ((clear_bv & I386_XSTATE_K)) + { + for (i = I387_K0_REGNUM (tdep); + i < I387_KEND_REGNUM (tdep); + i++) + regcache_raw_supply (regcache, i, zero); + } + else + { + for (i = I387_K0_REGNUM (tdep); + i < I387_KEND_REGNUM (tdep); + i++) + regcache_raw_supply (regcache, i, + XSAVE_AVX512_K_ADDR (tdep, regs, i)); + } + } + + /* Handle the YMM_AVX512 registers. */ + if ((tdep->xcr0 & I386_XSTATE_ZMM)) + { + if ((clear_bv & I386_XSTATE_ZMM)) + { + for (i = I387_YMM16H_REGNUM (tdep); + i < I387_YMMH_AVX512_END_REGNUM (tdep); + i++) + regcache_raw_supply (regcache, i, zero); + for (i = I387_XMM16_REGNUM (tdep); + i < I387_XMM_AVX512_END_REGNUM (tdep); + i++) + regcache_raw_supply (regcache, i, zero); + } + else + { + for (i = I387_YMM16H_REGNUM (tdep); + i < I387_YMMH_AVX512_END_REGNUM (tdep); + i++) + regcache_raw_supply (regcache, i, + XSAVE_YMM_AVX512_ADDR (tdep, regs, i)); + for (i = I387_XMM16_REGNUM (tdep); + i < I387_XMM_AVX512_END_REGNUM (tdep); + i++) + regcache_raw_supply (regcache, i, + XSAVE_XMM_AVX512_ADDR (tdep, regs, i)); + } + } /* Handle the upper YMM registers. */ if ((tdep->xcr0 & I386_XSTATE_AVX)) { @@ -1040,7 +1270,8 @@ void i387_collect_xsave (const struct regcache *regcache, int regnum, void *xsave, int gcore) { - struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache)); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); gdb_byte *regs = xsave; int i; enum @@ -1051,7 +1282,12 @@ i387_collect_xsave (const struct regcache *regcache, int regnum, sse = 0x4 | check, avxh = 0x8 | check, mpx = 0x10 | check, - all = x87 | sse | avxh | mpx + avx512_k = 0x20 | check, + avx512_zmm_h = 0x40 | check, + avx512_ymmh_avx512 = 0x80 | check, + avx512_xmm_avx512 = 0x100 | check, + all = x87 | sse | avxh | mpx | avx512_k | avx512_zmm_h + | avx512_ymmh_avx512 | avx512_xmm_avx512 } regclass; gdb_assert (tdep->st0_regnum >= I386_ST0_REGNUM); @@ -1059,6 +1295,18 @@ i387_collect_xsave (const struct regcache *regcache, int regnum, if (regnum == -1) regclass = all; + else if (regnum >= I387_ZMM0H_REGNUM (tdep) + && regnum < I387_ZMMENDH_REGNUM (tdep)) + regclass = avx512_zmm_h; + else if (regnum >= I387_K0_REGNUM (tdep) + && regnum < I387_KEND_REGNUM (tdep)) + regclass = avx512_k; + else if (regnum >= I387_YMM16H_REGNUM (tdep) + && regnum < I387_YMMH_AVX512_END_REGNUM (tdep)) + regclass = avx512_ymmh_avx512; + else if (regnum >= I387_XMM16_REGNUM (tdep) + && regnum < I387_XMM_AVX512_END_REGNUM (tdep)) + regclass = avx512_xmm_avx512; else if (regnum >= I387_YMM0H_REGNUM (tdep) && regnum < I387_YMMENDH_REGNUM (tdep)) regclass = avxh; @@ -1107,6 +1355,26 @@ i387_collect_xsave (const struct regcache *regcache, int regnum, i < I387_MPXEND_REGNUM (tdep); i++) memset (XSAVE_MPX_ADDR (tdep, regs, i), 0, 8); + if ((clear_bv & (I386_XSTATE_ZMM_H | I386_XSTATE_ZMM))) + for (i = I387_ZMM0H_REGNUM (tdep); + i < I387_ZMMENDH_REGNUM (tdep); i++) + memset (XSAVE_AVX512_ZMM_H_ADDR (tdep, regs, i), 0, 32); + + if ((clear_bv & I386_XSTATE_K)) + for (i = I387_K0_REGNUM (tdep); + i < I387_KEND_REGNUM (tdep); i++) + memset (XSAVE_AVX512_K_ADDR (tdep, regs, i), 0, 8); + + if ((clear_bv & I386_XSTATE_ZMM)) + { + for (i = I387_YMM16H_REGNUM (tdep); + i < I387_YMMH_AVX512_END_REGNUM (tdep); i++) + memset (XSAVE_YMM_AVX512_ADDR (tdep, regs, i), 0, 16); + for (i = I387_XMM16_REGNUM (tdep); + i < I387_XMM_AVX512_END_REGNUM (tdep); i++) + memset (XSAVE_XMM_AVX512_ADDR (tdep, regs, i), 0, 16); + } + if ((clear_bv & I386_XSTATE_AVX)) for (i = I387_YMM0H_REGNUM (tdep); i < I387_YMMENDH_REGNUM (tdep); i++) @@ -1125,6 +1393,61 @@ i387_collect_xsave (const struct regcache *regcache, int regnum, if (regclass == all) { + /* Check if any ZMMH registers are changed. */ + if ((tdep->xcr0 & (I386_XSTATE_ZMM_H | I386_XSTATE_ZMM))) + for (i = I387_ZMM0H_REGNUM (tdep); + i < I387_ZMMENDH_REGNUM (tdep); i++) + { + regcache_raw_collect (regcache, i, raw); + p = XSAVE_AVX512_ZMM_H_ADDR (tdep, regs, i); + if (memcmp (raw, p, 32) != 0) + { + xstate_bv |= (I386_XSTATE_ZMM_H | I386_XSTATE_ZMM); + memcpy (p, raw, 32); + } + } + + /* Check if any K registers are changed. */ + if ((tdep->xcr0 & I386_XSTATE_K)) + for (i = I387_K0_REGNUM (tdep); + i < I387_KEND_REGNUM (tdep); i++) + { + regcache_raw_collect (regcache, i, raw); + p = XSAVE_AVX512_K_ADDR (tdep, regs, i); + if (memcmp (raw, p, 8) != 0) + { + xstate_bv |= I386_XSTATE_K; + memcpy (p, raw, 8); + } + } + + /* Check if any XMM or upper YMM registers are changed. */ + if ((tdep->xcr0 & I386_XSTATE_ZMM)) + { + for (i = I387_YMM16H_REGNUM (tdep); + i < I387_YMMH_AVX512_END_REGNUM (tdep); i++) + { + regcache_raw_collect (regcache, i, raw); + p = XSAVE_YMM_AVX512_ADDR (tdep, regs, i); + if (memcmp (raw, p, 16) != 0) + { + xstate_bv |= I386_XSTATE_ZMM; + memcpy (p, raw, 16); + } + } + for (i = I387_XMM16_REGNUM (tdep); + i < I387_XMM_AVX512_END_REGNUM (tdep); i++) + { + regcache_raw_collect (regcache, i, raw); + p = XSAVE_XMM_AVX512_ADDR (tdep, regs, i); + if (memcmp (raw, p, 16) != 0) + { + xstate_bv |= I386_XSTATE_ZMM; + memcpy (p, raw, 16); + } + } + } + /* Check if any upper YMM registers are changed. */ if ((tdep->xcr0 & I386_XSTATE_AVX)) for (i = I387_YMM0H_REGNUM (tdep); @@ -1205,6 +1528,45 @@ i387_collect_xsave (const struct regcache *regcache, int regnum, internal_error (__FILE__, __LINE__, _("invalid i387 regclass")); + case avx512_zmm_h: + /* This is a ZMM register. */ + p = XSAVE_AVX512_ZMM_H_ADDR (tdep, regs, regnum); + if (memcmp (raw, p, 32) != 0) + { + xstate_bv |= (I386_XSTATE_ZMM_H | I386_XSTATE_ZMM); + memcpy (p, raw, 32); + } + break; + case avx512_k: + /* This is a AVX512 mask register. */ + p = XSAVE_AVX512_K_ADDR (tdep, regs, regnum); + if (memcmp (raw, p, 8) != 0) + { + xstate_bv |= I386_XSTATE_K; + memcpy (p, raw, 8); + } + break; + + case avx512_ymmh_avx512: + /* This is an upper YMM16-31 register. */ + p = XSAVE_YMM_AVX512_ADDR (tdep, regs, regnum); + if (memcmp (raw, p, 16) != 0) + { + xstate_bv |= I386_XSTATE_ZMM; + memcpy (p, raw, 16); + } + break; + + case avx512_xmm_avx512: + /* This is an upper XMM16-31 register. */ + p = XSAVE_XMM_AVX512_ADDR (tdep, regs, regnum); + if (memcmp (raw, p, 16) != 0) + { + xstate_bv |= I386_XSTATE_ZMM; + memcpy (p, raw, 16); + } + break; + case avxh: /* This is an upper YMM register. */ p = XSAVE_AVXH_ADDR (tdep, regs, regnum); @@ -1276,6 +1638,10 @@ i387_collect_xsave (const struct regcache *regcache, int regnum, case sse: case avxh: case mpx: + case avx512_k: + case avx512_zmm_h: + case avx512_ymmh_avx512: + case avx512_xmm_avx512: /* Register REGNUM has been updated. Return. */ return; } |