| Message ID | 20240416040609.1313605-6-richard.henderson@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | plugins: Use unwind info for special gdb registers | expand |
On 4/15/24 21:06, Richard Henderson wrote: > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> > --- > target/i386/gdb-internal.h | 65 ++++++++++++++++++++++++++++++++++++++ > target/i386/gdbstub.c | 1 + > 2 files changed, 66 insertions(+) > create mode 100644 target/i386/gdb-internal.h > > diff --git a/target/i386/gdb-internal.h b/target/i386/gdb-internal.h > new file mode 100644 > index 0000000000..7cf4c1a656 > --- /dev/null > +++ b/target/i386/gdb-internal.h > @@ -0,0 +1,65 @@ > +/* > + * x86 gdb server stub > + * > + * Copyright (c) 2003-2005 Fabrice Bellard > + * Copyright (c) 2013 SUSE LINUX Products GmbH > + * > + * This library is free software; you can redistribute it and/or > + * modify it under the terms of the GNU Lesser General Public > + * License as published by the Free Software Foundation; either > + * version 2.1 of the License, or (at your option) any later version. > + * > + * This library is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + * Lesser General Public License for more details. > + * > + * You should have received a copy of the GNU Lesser General Public > + * License along with this library; if not, see <http://www.gnu.org/licenses/>. > + */ > + > +#ifndef I386_GDB_INTERNAL_H > +#define I386_GDB_INTERNAL_H > + > +/* > + * Keep these in sync with assignment to > + * gdb_num_core_regs in target/i386/cpu.c > + * and with the machine description > + */ > + > +/* > + * SEG: 6 segments, plus fs_base, gs_base, kernel_gs_base > + */ > + > +/* > + * general regs -----> 8 or 16 > + */ > +#define IDX_NB_IP 1 > +#define IDX_NB_FLAGS 1 > +#define IDX_NB_SEG (6 + 3) > +#define IDX_NB_CTL 6 > +#define IDX_NB_FP 16 > +/* > + * fpu regs ----------> 8 or 16 > + */ > +#define IDX_NB_MXCSR 1 > +/* > + * total ----> 8+1+1+9+6+16+8+1=50 or 16+1+1+9+6+16+16+1=66 > + */ > + > +#define IDX_IP_REG CPU_NB_REGS > +#define IDX_FLAGS_REG (IDX_IP_REG + IDX_NB_IP) > +#define IDX_SEG_REGS (IDX_FLAGS_REG + IDX_NB_FLAGS) > +#define IDX_CTL_REGS (IDX_SEG_REGS + IDX_NB_SEG) > +#define IDX_FP_REGS (IDX_CTL_REGS + IDX_NB_CTL) > +#define IDX_XMM_REGS (IDX_FP_REGS + IDX_NB_FP) > +#define IDX_MXCSR_REG (IDX_XMM_REGS + CPU_NB_REGS) > + > +#define IDX_CTL_CR0_REG (IDX_CTL_REGS + 0) > +#define IDX_CTL_CR2_REG (IDX_CTL_REGS + 1) > +#define IDX_CTL_CR3_REG (IDX_CTL_REGS + 2) > +#define IDX_CTL_CR4_REG (IDX_CTL_REGS + 3) > +#define IDX_CTL_CR8_REG (IDX_CTL_REGS + 4) > +#define IDX_CTL_EFER_REG (IDX_CTL_REGS + 5) > + > +#endif > diff --git a/target/i386/gdbstub.c b/target/i386/gdbstub.c > index ebb000df6a..9662509b82 100644 > --- a/target/i386/gdbstub.c > +++ b/target/i386/gdbstub.c > @@ -20,6 +20,7 @@ > #include "qemu/osdep.h" > #include "cpu.h" > #include "include/gdbstub/helpers.h" > +#include "gdb-internal.h" > > #ifdef TARGET_X86_64 > static const int gpr_map[16] = { Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
diff --git a/target/i386/gdb-internal.h b/target/i386/gdb-internal.h new file mode 100644 index 0000000000..7cf4c1a656 --- /dev/null +++ b/target/i386/gdb-internal.h @@ -0,0 +1,65 @@ +/* + * x86 gdb server stub + * + * Copyright (c) 2003-2005 Fabrice Bellard + * Copyright (c) 2013 SUSE LINUX Products GmbH + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef I386_GDB_INTERNAL_H +#define I386_GDB_INTERNAL_H + +/* + * Keep these in sync with assignment to + * gdb_num_core_regs in target/i386/cpu.c + * and with the machine description + */ + +/* + * SEG: 6 segments, plus fs_base, gs_base, kernel_gs_base + */ + +/* + * general regs -----> 8 or 16 + */ +#define IDX_NB_IP 1 +#define IDX_NB_FLAGS 1 +#define IDX_NB_SEG (6 + 3) +#define IDX_NB_CTL 6 +#define IDX_NB_FP 16 +/* + * fpu regs ----------> 8 or 16 + */ +#define IDX_NB_MXCSR 1 +/* + * total ----> 8+1+1+9+6+16+8+1=50 or 16+1+1+9+6+16+16+1=66 + */ + +#define IDX_IP_REG CPU_NB_REGS +#define IDX_FLAGS_REG (IDX_IP_REG + IDX_NB_IP) +#define IDX_SEG_REGS (IDX_FLAGS_REG + IDX_NB_FLAGS) +#define IDX_CTL_REGS (IDX_SEG_REGS + IDX_NB_SEG) +#define IDX_FP_REGS (IDX_CTL_REGS + IDX_NB_CTL) +#define IDX_XMM_REGS (IDX_FP_REGS + IDX_NB_FP) +#define IDX_MXCSR_REG (IDX_XMM_REGS + CPU_NB_REGS) + +#define IDX_CTL_CR0_REG (IDX_CTL_REGS + 0) +#define IDX_CTL_CR2_REG (IDX_CTL_REGS + 1) +#define IDX_CTL_CR3_REG (IDX_CTL_REGS + 2) +#define IDX_CTL_CR4_REG (IDX_CTL_REGS + 3) +#define IDX_CTL_CR8_REG (IDX_CTL_REGS + 4) +#define IDX_CTL_EFER_REG (IDX_CTL_REGS + 5) + +#endif diff --git a/target/i386/gdbstub.c b/target/i386/gdbstub.c index ebb000df6a..9662509b82 100644 --- a/target/i386/gdbstub.c +++ b/target/i386/gdbstub.c @@ -20,6 +20,7 @@ #include "qemu/osdep.h" #include "cpu.h" #include "include/gdbstub/helpers.h" +#include "gdb-internal.h" #ifdef TARGET_X86_64 static const int gpr_map[16] = {
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- target/i386/gdb-internal.h | 65 ++++++++++++++++++++++++++++++++++++++ target/i386/gdbstub.c | 1 + 2 files changed, 66 insertions(+) create mode 100644 target/i386/gdb-internal.h