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From 38ce1e9087067fa3fbb132d943b35d3a995408a5 Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Sun, 10 Mar 2013 18:36:39 +0100
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Subject: [PATCH 202/364] Adjust types in gdb module to have intended
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unsigned shifts rather than signed divisions.
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---
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ChangeLog | 5 +++++
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grub-core/gdb/cstub.c | 4 ++--
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grub-core/gdb/i386/signal.c | 2 +-
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include/grub/gdb.h | 2 +-
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4 files changed, 9 insertions(+), 4 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 931ae8e..51bc363 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,10 @@
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2013-03-10 Vladimir Serbinenko <phcoder@gmail.com>
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+ Adjust types in gdb module to have intended unsigned shifts rather than
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+ signed divisions.
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+
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+2013-03-10 Vladimir Serbinenko <phcoder@gmail.com>
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+
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* grub-core/fs/hfs.c (grub_hfs_read_file): Avoid divmod64 since the
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maximum size is 4G - 1 on hfs
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diff --git a/grub-core/gdb/cstub.c b/grub-core/gdb/cstub.c
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index a5c0c43..3c89c19 100644
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--- a/grub-core/gdb/cstub.c
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+++ b/grub-core/gdb/cstub.c
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@@ -204,7 +204,7 @@ grub_gdb_hex2int (char **ptr, grub_uint64_t *int_value)
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void
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grub_gdb_trap (int trap_no)
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{
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- int sig_no;
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+ unsigned int sig_no;
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int stepping;
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grub_uint64_t addr;
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grub_uint64_t length;
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@@ -264,7 +264,7 @@ grub_gdb_trap (int trap_no)
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case '?':
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grub_gdb_outbuf[0] = 'S';
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grub_gdb_outbuf[1] = hexchars[sig_no >> 4];
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- grub_gdb_outbuf[2] = hexchars[sig_no % 16];
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+ grub_gdb_outbuf[2] = hexchars[sig_no & 0xf];
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grub_gdb_outbuf[3] = 0;
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break;
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diff --git a/grub-core/gdb/i386/signal.c b/grub-core/gdb/i386/signal.c
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index 23b7c35..1ac3bbd 100644
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--- a/grub-core/gdb/i386/signal.c
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+++ b/grub-core/gdb/i386/signal.c
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@@ -24,7 +24,7 @@
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/* Converting CPU trap number to UNIX signal number as
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described in System V ABI i386 Processor Supplement, 3-25. */
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-int
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+unsigned int
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grub_gdb_trap2sig (int trap_no)
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{
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const int signals[] = {
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diff --git a/include/grub/gdb.h b/include/grub/gdb.h
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index 59fd456..e73d135 100644
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--- a/include/grub/gdb.h
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+++ b/include/grub/gdb.h
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@@ -33,7 +33,7 @@ struct grub_serial_port;
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extern struct grub_serial_port *grub_gdb_port;
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void grub_gdb_breakpoint (void);
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-int grub_gdb_trap2sig (int);
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+unsigned int grub_gdb_trap2sig (int);
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#endif /* ! GRUB_GDB_HEADER */
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--
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1.8.1.4
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