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-rw-r--r--gdb/arch/aarch32.c2
-rw-r--r--gdb/arch/arm.c6
-rw-r--r--gdb/arch/arm.h2
-rw-r--r--gdb/arm-fbsd-tdep.c4
-rw-r--r--gdb/arm-linux-nat.c6
-rw-r--r--gdb/arm-linux-tdep.c4
-rw-r--r--gdb/arm-netbsd-nat.c4
-rw-r--r--gdb/arm-tdep.c25
-rw-r--r--gdb/arm-tdep.h4
-rw-r--r--gdb/features/Makefile1
-rw-r--r--gdb/features/arm/arm-tls.c14
-rw-r--r--gdb/features/arm/arm-tls.xml11
12 files changed, 66 insertions, 17 deletions
diff --git a/gdb/arch/aarch32.c b/gdb/arch/aarch32.c
index 0c544d3..4d6ffb4 100644
--- a/gdb/arch/aarch32.c
+++ b/gdb/arch/aarch32.c
@@ -19,6 +19,7 @@
#include "aarch32.h"
#include "../features/arm/arm-core.c"
+#include "../features/arm/arm-tls.c"
#include "../features/arm/arm-vfpv3.c"
/* See aarch32.h. */
@@ -38,6 +39,7 @@ aarch32_create_target_description ()
/* Create a vfpv3 feature, then a blank NEON feature. */
regnum = create_feature_arm_arm_vfpv3 (tdesc.get (), regnum);
tdesc_create_feature (tdesc.get (), "org.gnu.gdb.arm.neon");
+ regnum = create_feature_arm_arm_tls (tdesc.get (), regnum);
return tdesc.release ();
}
diff --git a/gdb/arch/arm.c b/gdb/arch/arm.c
index bc6e5ce..14f0a7a 100644
--- a/gdb/arch/arm.c
+++ b/gdb/arch/arm.c
@@ -22,6 +22,7 @@
#include "arm.h"
#include "../features/arm/arm-core.c"
+#include "../features/arm/arm-tls.c"
#include "../features/arm/arm-vfpv2.c"
#include "../features/arm/arm-vfpv3.c"
#include "../features/arm/xscale-iwmmxt.c"
@@ -374,7 +375,7 @@ shifted_reg_val (struct regcache *regcache, unsigned long inst,
/* See arch/arm.h. */
target_desc *
-arm_create_target_description (arm_fp_type fp_type)
+arm_create_target_description (arm_fp_type fp_type, bool tls)
{
target_desc_up tdesc = allocate_target_description ();
@@ -410,6 +411,9 @@ arm_create_target_description (arm_fp_type fp_type)
error (_("Invalid Arm FP type: %d"), fp_type);
}
+ if (tls)
+ regnum = create_feature_arm_arm_tls (tdesc.get (), regnum);
+
return tdesc.release ();
}
diff --git a/gdb/arch/arm.h b/gdb/arch/arm.h
index 0728bea..4ad329f 100644
--- a/gdb/arch/arm.h
+++ b/gdb/arch/arm.h
@@ -207,7 +207,7 @@ unsigned long shifted_reg_val (struct regcache *regcache,
/* Create an Arm target description with the given FP hardware type. */
-target_desc *arm_create_target_description (arm_fp_type fp_type);
+target_desc *arm_create_target_description (arm_fp_type fp_type, bool tls);
/* Create an Arm M-profile target description with the given hardware type. */
diff --git a/gdb/arm-fbsd-tdep.c b/gdb/arm-fbsd-tdep.c
index bf337b1..06745a3 100644
--- a/gdb/arm-fbsd-tdep.c
+++ b/gdb/arm-fbsd-tdep.c
@@ -188,9 +188,9 @@ arm_fbsd_read_description_auxv (struct target_ops *target)
return aarch32_read_description ();
else if ((arm_hwcap & (HWCAP_VFPv3 | HWCAP_VFPD32))
== (HWCAP_VFPv3 | HWCAP_VFPD32))
- return arm_read_description (ARM_FP_TYPE_VFPV3);
+ return arm_read_description (ARM_FP_TYPE_VFPV3, false);
else
- return arm_read_description (ARM_FP_TYPE_VFPV2);
+ return arm_read_description (ARM_FP_TYPE_VFPV2, false);
}
return nullptr;
diff --git a/gdb/arm-linux-nat.c b/gdb/arm-linux-nat.c
index f0f09ac..2abaf5a 100644
--- a/gdb/arm-linux-nat.c
+++ b/gdb/arm-linux-nat.c
@@ -550,7 +550,7 @@ arm_linux_nat_target::read_description ()
}
if (arm_hwcap & HWCAP_IWMMXT)
- return arm_read_description (ARM_FP_TYPE_IWMMXT);
+ return arm_read_description (ARM_FP_TYPE_IWMMXT, false);
if (arm_hwcap & HWCAP_VFP)
{
@@ -567,9 +567,9 @@ arm_linux_nat_target::read_description ()
if (arm_hwcap & HWCAP_NEON)
return aarch32_read_description ();
else if ((arm_hwcap & (HWCAP_VFPv3 | HWCAP_VFPv3D16)) == HWCAP_VFPv3)
- return arm_read_description (ARM_FP_TYPE_VFPV3);
+ return arm_read_description (ARM_FP_TYPE_VFPV3, false);
- return arm_read_description (ARM_FP_TYPE_VFPV2);
+ return arm_read_description (ARM_FP_TYPE_VFPV2, false);
}
return this->beneath ()->read_description ();
diff --git a/gdb/arm-linux-tdep.c b/gdb/arm-linux-tdep.c
index c8e882a..f299e96 100644
--- a/gdb/arm-linux-tdep.c
+++ b/gdb/arm-linux-tdep.c
@@ -741,9 +741,9 @@ arm_linux_core_read_description (struct gdbarch *gdbarch,
if (arm_hwcap & HWCAP_NEON)
return aarch32_read_description ();
else if ((arm_hwcap & (HWCAP_VFPv3 | HWCAP_VFPv3D16)) == HWCAP_VFPv3)
- return arm_read_description (ARM_FP_TYPE_VFPV3);
+ return arm_read_description (ARM_FP_TYPE_VFPV3, false);
- return arm_read_description (ARM_FP_TYPE_VFPV2);
+ return arm_read_description (ARM_FP_TYPE_VFPV2, false);
}
return nullptr;
diff --git a/gdb/arm-netbsd-nat.c b/gdb/arm-netbsd-nat.c
index 591a0ab..764bbe8 100644
--- a/gdb/arm-netbsd-nat.c
+++ b/gdb/arm-netbsd-nat.c
@@ -346,13 +346,13 @@ arm_netbsd_nat_target::read_description ()
if (sysctlbyname("machdep.fpu_present", &flag, &len, NULL, 0) != 0
|| !flag)
- return arm_read_description (ARM_FP_TYPE_NONE);
+ return arm_read_description (ARM_FP_TYPE_NONE, false);
len = sizeof(flag);
if (sysctlbyname("machdep.neon_present", &flag, &len, NULL, 0) == 0 && flag)
return aarch32_read_description ();
- return arm_read_description (ARM_FP_TYPE_VFPV3);
+ return arm_read_description (ARM_FP_TYPE_VFPV3, false);
}
void _initialize_arm_netbsd_nat ();
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index aa5d8e6..4966409 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -240,7 +240,7 @@ static const char **valid_disassembly_styles;
static const char *disassembly_style;
/* All possible arm target descriptors. */
-static struct target_desc *tdesc_arm_list[ARM_FP_TYPE_INVALID];
+static struct target_desc *tdesc_arm_list[ARM_FP_TYPE_INVALID][2];
static struct target_desc *tdesc_arm_mprofile_list[ARM_M_TYPE_INVALID];
/* This is used to keep the bfd arch_info in sync with the disassembly
@@ -9606,6 +9606,7 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
int m_profile_psp_ns_regnum = -1;
int m_profile_msp_s_regnum = -1;
int m_profile_psp_s_regnum = -1;
+ int tls_regnum = 0;
/* If we have an object to base this architecture on, try to determine
its ABI. */
@@ -9973,6 +9974,19 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
}
}
+ /* Check for the TLS register feature. */
+ feature = tdesc_find_feature (tdesc, "org.gnu.gdb.arm.tls");
+ if (feature != nullptr)
+ {
+ valid_p &= tdesc_numbered_register (feature, tdesc_data.get (),
+ register_count, "tpidruro");
+ if (!valid_p)
+ return nullptr;
+
+ tls_regnum = register_count;
+ register_count++;
+ }
+
/* Check for MVE after all the checks for GPR's, VFP and Neon.
MVE (Helium) is an M-profile extension. */
if (is_m)
@@ -10128,6 +10142,7 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
tdep->have_s_pseudos = have_s_pseudos;
tdep->have_q_pseudos = have_q_pseudos;
tdep->have_neon = have_neon;
+ tdep->tls_regnum = tls_regnum;
/* Adjust the MVE feature settings. */
if (have_mve)
@@ -14416,14 +14431,14 @@ arm_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
/* See arm-tdep.h. */
const target_desc *
-arm_read_description (arm_fp_type fp_type)
+arm_read_description (arm_fp_type fp_type, bool tls)
{
- struct target_desc *tdesc = tdesc_arm_list[fp_type];
+ struct target_desc *tdesc = tdesc_arm_list[fp_type][tls];
if (tdesc == nullptr)
{
- tdesc = arm_create_target_description (fp_type);
- tdesc_arm_list[fp_type] = tdesc;
+ tdesc = arm_create_target_description (fp_type, tls);
+ tdesc_arm_list[fp_type][tls] = tdesc;
}
return tdesc;
diff --git a/gdb/arm-tdep.h b/gdb/arm-tdep.h
index 864406e..0fc4774 100644
--- a/gdb/arm-tdep.h
+++ b/gdb/arm-tdep.h
@@ -134,6 +134,8 @@ struct arm_gdbarch_tdep : gdbarch_tdep
int m_profile_msp_s_regnum = ARM_SP_REGNUM; /* M-profile MSP_S register number. */
int m_profile_psp_s_regnum = ARM_SP_REGNUM; /* M-profile PSP_S register number. */
+ int tls_regnum = 0; /* Number of the tpidruro register. */
+
bool is_m = false; /* Does the target follow the "M" profile. */
bool have_sec_ext = false; /* Do we have security extensions? */
CORE_ADDR lowest_pc = 0; /* Lowest address at which instructions
@@ -317,7 +319,7 @@ extern void
const struct regcache *regcache);
/* Get the correct Arm target description with given FP hardware type. */
-const target_desc *arm_read_description (arm_fp_type fp_type);
+const target_desc *arm_read_description (arm_fp_type fp_type, bool tls);
/* Get the correct Arm M-Profile target description with given hardware
type. */
diff --git a/gdb/features/Makefile b/gdb/features/Makefile
index 737d9cb..5f1826b 100644
--- a/gdb/features/Makefile
+++ b/gdb/features/Makefile
@@ -208,6 +208,7 @@ FEATURE_XMLFILES = aarch64-core.xml \
arm/arm-m-profile-mve.xml \
arm/arm-m-system.xml \
arm/arm-m-profile-with-fpa.xml \
+ arm/arm-tls.xml \
arm/arm-vfpv2.xml \
arm/arm-vfpv3.xml \
arm/xscale-iwmmxt.xml \
diff --git a/gdb/features/arm/arm-tls.c b/gdb/features/arm/arm-tls.c
new file mode 100644
index 0000000..d1214dd
--- /dev/null
+++ b/gdb/features/arm/arm-tls.c
@@ -0,0 +1,14 @@
+/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
+ Original: arm-tls.xml */
+
+#include "gdbsupport/tdesc.h"
+
+static int
+create_feature_arm_arm_tls (struct target_desc *result, long regnum)
+{
+ struct tdesc_feature *feature;
+
+ feature = tdesc_create_feature (result, "org.gnu.gdb.arm.tls");
+ tdesc_create_reg (feature, "tpidruro", regnum++, 1, NULL, 32, "data_ptr");
+ return regnum;
+}
diff --git a/gdb/features/arm/arm-tls.xml b/gdb/features/arm/arm-tls.xml
new file mode 100644
index 0000000..3cdf73e
--- /dev/null
+++ b/gdb/features/arm/arm-tls.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2022 Free Software Foundation, Inc.
+
+ Copying and distribution of this file, with or without modification,
+ are permitted in any medium without royalty provided the copyright
+ notice and this notice are preserved. -->
+
+<!DOCTYPE feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.arm.tls">
+ <reg name="tpidruro" bitsize="32" type="data_ptr"/>
+</feature>
generated by cgit v1.1 at 2024-10-03 00:33:10 +0000