Fix "'operator new' should not return NULL" errors in testsuite

[deliverable/binutils-gdb.git] / gdb / ppc64-tdep.c

diff --git a/gdb/ppc64-tdep.c b/gdb/ppc64-tdep.c
index 0de4eededd5a8d1391d9aa4cbc85b6c59dc98bdf..583768ccfa7428e8077c407637eb715c79b43a91 100644 (file)
--- a/gdb/ppc64-tdep.c
+++ b/gdb/ppc64-tdep.c
@@ -1,6 +1,6 @@
 /* Common target-dependent code for ppc64 GDB, the GNU debugger.
 
-   Copyright (C) 1986-2017 Free Software Foundation, Inc.
+   Copyright (C) 1986-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -30,24 +30,24 @@
    you can use -1 to make masks.  */
 
 #define insn_d(opcd, rts, ra, d)                \
-  ((((opcd) & 0x3f) << 26)                      \
-   | (((rts) & 0x1f) << 21)                     \
-   | (((ra) & 0x1f) << 16)                      \
-   | ((d) & 0xffff))
+  ((((unsigned (opcd)) & 0x3f) << 26)          \
+   | (((unsigned (rts)) & 0x1f) << 21)         \
+   | (((unsigned (ra)) & 0x1f) << 16)          \
+   | ((unsigned (d)) & 0xffff))
 
 #define insn_ds(opcd, rts, ra, d, xo)           \
-  ((((opcd) & 0x3f) << 26)                      \
-   | (((rts) & 0x1f) << 21)                     \
-   | (((ra) & 0x1f) << 16)                      \
-   | ((d) & 0xfffc)                             \
-   | ((xo) & 0x3))
+  ((((unsigned (opcd)) & 0x3f) << 26)                      \
+   | (((unsigned (rts)) & 0x1f) << 21)                     \
+   | (((unsigned (ra)) & 0x1f) << 16)                      \
+   | ((unsigned (d)) & 0xfffc)                             \
+   | ((unsigned (xo)) & 0x3))
 
 #define insn_xfx(opcd, rts, spr, xo)            \
-  ((((opcd) & 0x3f) << 26)                      \
-   | (((rts) & 0x1f) << 21)                     \
-   | (((spr) & 0x1f) << 16)                     \
-   | (((spr) & 0x3e0) << 6)                     \
-   | (((xo) & 0x3ff) << 1))
+  ((((unsigned (opcd)) & 0x3f) << 26)                      \
+   | (((unsigned (rts)) & 0x1f) << 21)                     \
+   | (((unsigned (spr)) & 0x1f) << 16)                     \
+   | (((unsigned (spr)) & 0x3e0) << 6)                     \
+   | (((unsigned (xo)) & 0x3ff) << 1))
 
 /* PLT_OFF is the TOC-relative offset of a 64-bit PowerPC PLT entry.
    Return the function's entry point.  */
@@ -80,13 +80,13 @@ ppc64_plt_entry_point (struct frame_info *frame, CORE_ADDR plt_off)
 
 /* Old ELFv1 PLT call stub.  */
 
-static struct ppc_insn_pattern ppc64_standard_linkage1[] =
+static const struct ppc_insn_pattern ppc64_standard_linkage1[] =
   {
     /* addis r12, r2, <any> */
     { insn_d (-1, -1, -1, 0), insn_d (15, 12, 2, 0), 0 },
 
     /* std r2, 40(r1) */
-    { -1, insn_ds (62, 2, 1, 40, 0), 0 },
+    { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 0 },
 
     /* ld r11, <any>(r12) */
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 0 },
@@ -107,7 +107,7 @@ static struct ppc_insn_pattern ppc64_standard_linkage1[] =
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 1 },
 
     /* bctr */
-    { -1, 0x4e800420, 0 },
+    { (unsigned) -1, 0x4e800420, 0 },
 
     { 0, 0, 0 }
   };
@@ -119,16 +119,16 @@ static struct ppc_insn_pattern ppc64_standard_linkage1[] =
    instructions following "cmpldi r2, 0", "bnectr+" and "b <glink_i>",
    but there isn't any need to match them.  */
 
-static struct ppc_insn_pattern ppc64_standard_linkage2[] =
+static const struct ppc_insn_pattern ppc64_standard_linkage2[] =
   {
     /* std r2, 40(r1) <optional> */
-    { -1, insn_ds (62, 2, 1, 40, 0), 1 },
+    { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 },
 
     /* addis r12, r2, <any> */
     { insn_d (-1, -1, -1, 0), insn_d (15, 12, 2, 0), 0 },
 
     /* std r2, 40(r1) <optional> */
-    { -1, insn_ds (62, 2, 1, 40, 0), 1 },
+    { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 },
 
     /* ld r11, <any>(r12) */
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 0 },
@@ -140,10 +140,10 @@ static struct ppc_insn_pattern ppc64_standard_linkage2[] =
     { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 11, 9, 467), 0 },
 
     /* xor r11, r11, r11 <optional> */
-    { -1, 0x7d6b5a78, 1 },
+    { (unsigned) -1, 0x7d6b5a78, 1 },
 
     /* add r12, r12, r11 <optional> */
-    { -1, 0x7d8c5a14, 1 },
+    { (unsigned) -1, 0x7d8c5a14, 1 },
 
     /* ld r2, <any>(r12) */
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 12, 0, 0), 0 },
@@ -152,20 +152,20 @@ static struct ppc_insn_pattern ppc64_standard_linkage2[] =
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 1 },
 
     /* bctr <optional> */
-    { -1, 0x4e800420, 1 },
+    { (unsigned) -1, 0x4e800420, 1 },
 
     /* cmpldi r2, 0 <optional> */
-    { -1, 0x28220000, 1 },
+    { (unsigned) -1, 0x28220000, 1 },
 
     { 0, 0, 0 }
   };
 
 /* ELFv1 PLT call stub to access PLT entries within +/- 32k of r2.  */
 
-static struct ppc_insn_pattern ppc64_standard_linkage3[] =
+static const struct ppc_insn_pattern ppc64_standard_linkage3[] =
   {
     /* std r2, 40(r1) <optional> */
-    { -1, insn_ds (62, 2, 1, 40, 0), 1 },
+    { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 },
 
     /* ld r11, <any>(r2) */
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 2, 0, 0), 0 },
@@ -177,10 +177,10 @@ static struct ppc_insn_pattern ppc64_standard_linkage3[] =
     { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 11, 9, 467), 0 },
 
     /* xor r11, r11, r11 <optional> */
-    { -1, 0x7d6b5a78, 1 },
+    { (unsigned) -1, 0x7d6b5a78, 1 },
 
     /* add r2, r2, r11 <optional> */
-    { -1, 0x7c425a14, 1 },
+    { (unsigned) -1, 0x7c425a14, 1 },
 
     /* ld r11, <any>(r2) <optional> */
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 2, 0, 0), 1 },
@@ -189,10 +189,10 @@ static struct ppc_insn_pattern ppc64_standard_linkage3[] =
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 2, 0, 0), 0 },
 
     /* bctr <optional> */
-    { -1, 0x4e800420, 1 },
+    { (unsigned) -1, 0x4e800420, 1 },
 
     /* cmpldi r2, 0 <optional> */
-    { -1, 0x28220000, 1 },
+    { (unsigned) -1, 0x28220000, 1 },
 
     { 0, 0, 0 }
   };
@@ -201,10 +201,10 @@ static struct ppc_insn_pattern ppc64_standard_linkage3[] =
    A more modern variant of ppc64_standard_linkage2 differing in
    register usage.  */
 
-static struct ppc_insn_pattern ppc64_standard_linkage4[] =
+static const struct ppc_insn_pattern ppc64_standard_linkage4[] =
   {
     /* std r2, 40(r1) <optional> */
-    { -1, insn_ds (62, 2, 1, 40, 0), 1 },
+    { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 },
 
     /* addis r11, r2, <any> */
     { insn_d (-1, -1, -1, 0), insn_d (15, 11, 2, 0), 0 },
@@ -219,10 +219,10 @@ static struct ppc_insn_pattern ppc64_standard_linkage4[] =
     { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 },
 
     /* xor r2, r12, r12 <optional> */
-    { -1, 0x7d826278, 1 },
+    { (unsigned) -1, 0x7d826278, 1 },
 
     /* add r11, r11, r2 <optional> */
-    { -1, 0x7d6b1214, 1 },
+    { (unsigned) -1, 0x7d6b1214, 1 },
 
     /* ld r2, <any>(r11) */
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 11, 0, 0), 0 },
@@ -231,10 +231,10 @@ static struct ppc_insn_pattern ppc64_standard_linkage4[] =
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 11, 0, 0), 1 },
 
     /* bctr <optional> */
-    { -1, 0x4e800420, 1 },
+    { (unsigned) -1, 0x4e800420, 1 },
 
     /* cmpldi r2, 0 <optional> */
-    { -1, 0x28220000, 1 },
+    { (unsigned) -1, 0x28220000, 1 },
 
     { 0, 0, 0 }
   };
@@ -243,10 +243,10 @@ static struct ppc_insn_pattern ppc64_standard_linkage4[] =
    A more modern variant of ppc64_standard_linkage3 differing in
    register usage.  */
 
-static struct ppc_insn_pattern ppc64_standard_linkage5[] =
+static const struct ppc_insn_pattern ppc64_standard_linkage5[] =
   {
     /* std r2, 40(r1) <optional> */
-    { -1, insn_ds (62, 2, 1, 40, 0), 1 },
+    { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 },
 
     /* ld r12, <any>(r2) */
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 2, 0, 0), 0 },
@@ -258,10 +258,10 @@ static struct ppc_insn_pattern ppc64_standard_linkage5[] =
     { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 },
 
     /* xor r11, r12, r12 <optional> */
-    { -1, 0x7d8b6278, 1 },
+    { (unsigned) -1, 0x7d8b6278, 1 },
 
     /* add r2, r2, r11 <optional> */
-    { -1, 0x7c425a14, 1 },
+    { (unsigned) -1, 0x7c425a14, 1 },
 
     /* ld r11, <any>(r2) <optional> */
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 2, 0, 0), 1 },
@@ -270,20 +270,20 @@ static struct ppc_insn_pattern ppc64_standard_linkage5[] =
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 2, 0, 0), 0 },
 
     /* bctr <optional> */
-    { -1, 0x4e800420, 1 },
+    { (unsigned) -1, 0x4e800420, 1 },
 
     /* cmpldi r2, 0 <optional> */
-    { -1, 0x28220000, 1 },
+    { (unsigned) -1, 0x28220000, 1 },
 
     { 0, 0, 0 }
   };
 
 /* ELFv2 PLT call stub to access PLT entries more than +/- 32k from r2.  */
 
-static struct ppc_insn_pattern ppc64_standard_linkage6[] =
+static const struct ppc_insn_pattern ppc64_standard_linkage6[] =
   {
     /* std r2, 24(r1) <optional> */
-    { -1, insn_ds (62, 2, 1, 24, 0), 1 },
+    { (unsigned) -1, insn_ds (62, 2, 1, 24, 0), 1 },
 
     /* addis r11, r2, <any> */
     { insn_d (-1, -1, -1, 0), insn_d (15, 11, 2, 0), 0 },
@@ -295,17 +295,17 @@ static struct ppc_insn_pattern ppc64_standard_linkage6[] =
     { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 },
 
     /* bctr */
-    { -1, 0x4e800420, 0 },
+    { (unsigned) -1, 0x4e800420, 0 },
 
     { 0, 0, 0 }
   };
 
 /* ELFv2 PLT call stub to access PLT entries within +/- 32k of r2.  */
 
-static struct ppc_insn_pattern ppc64_standard_linkage7[] =
+static const struct ppc_insn_pattern ppc64_standard_linkage7[] =
   {
     /* std r2, 24(r1) <optional> */
-    { -1, insn_ds (62, 2, 1, 24, 0), 1 },
+    { (unsigned) -1, insn_ds (62, 2, 1, 24, 0), 1 },
 
     /* ld r12, <any>(r2) */
     { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 2, 0, 0), 0 },
@@ -314,7 +314,7 @@ static struct ppc_insn_pattern ppc64_standard_linkage7[] =
     { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 },
 
     /* bctr */
-    { -1, 0x4e800420, 0 },
+    { (unsigned) -1, 0x4e800420, 0 },
 
     { 0, 0, 0 }
   };
@@ -322,10 +322,10 @@ static struct ppc_insn_pattern ppc64_standard_linkage7[] =
 /* ELFv2 PLT call stub to access PLT entries more than +/- 32k from r2,
    supporting fusion.  */
 
-static struct ppc_insn_pattern ppc64_standard_linkage8[] =
+static const struct ppc_insn_pattern ppc64_standard_linkage8[] =
   {
     /* std r2, 24(r1) <optional> */
-    { -1, insn_ds (62, 2, 1, 24, 0), 1 },
+    { (unsigned) -1, insn_ds (62, 2, 1, 24, 0), 1 },
 
     /* addis r12, r2, <any> */
     { insn_d (-1, -1, -1, 0), insn_d (15, 12, 2, 0), 0 },
@@ -337,7 +337,7 @@ static struct ppc_insn_pattern ppc64_standard_linkage8[] =
     { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 },
 
     /* bctr */
-    { -1, 0x4e800420, 0 },
+    { (unsigned) -1, 0x4e800420, 0 },
 
     { 0, 0, 0 }
   };
@@ -593,8 +593,8 @@ ppc64_convert_from_func_ptr_addr (struct gdbarch *gdbarch,
                                      s->the_bfd_section,
                                      &buf, addr - s->addr, 8);
       if (res != 0)
-       return extract_unsigned_integer (buf, 8, byte_order)
-               - bfd_section_vma (s->bfd, s->the_bfd_section) + s->addr;
+       return (extract_unsigned_integer (buf, 8, byte_order)
+               - bfd_section_vma (s->the_bfd_section) + s->addr);
    }
 
   return addr;