* Add NaCl support to gold for Mips
@ 2014-08-20 13:37 Sasa Stankovic
2014-09-02 16:44 ` Cary Coutant
0 siblings, 1 reply; 4+ messages in thread
From: Sasa Stankovic @ 2014-08-20 13:37 UTC (permalink / raw)
To: Cary Coutant [ccoutant@google.com]; +Cc: binutils, Petar Jovanovic
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Added subject this time.
Hi Cary,
The attached patch adds NaCl (NativeClient) specific classes Target_mips_nacl and Target_selector_mips_nacl, and initializes Target_mips_nacl's Target_info structure with NaCl's specific data, similar to how it's implemented for arm, i386 and x86_64.
Regards,
Sasa
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[-- Attachment #2: mips-nacl.patch --]
[-- Type: text/x-patch; name="mips-nacl.patch", Size: 3977 bytes --]
diff --git a/gold/mips.cc b/gold/mips.cc
index 450883e..92e1201 100644
--- a/gold/mips.cc
+++ b/gold/mips.cc
@@ -44,6 +44,7 @@
#include "tls.h"
#include "errors.h"
#include "gc.h"
+#include "nacl.h"
namespace
{
@@ -3711,7 +3712,7 @@ class Target_mips : public Sized_target<size, big_endian>
// Information about this specific target which we pass to the
// general Target structure.
- static Target::Target_info mips_info;
+ static const Target::Target_info mips_info;
// The GOT section.
Mips_output_data_got<size, big_endian>* got_;
// gp symbol. It has the value of .got + 0x7FF0.
@@ -10462,7 +10463,7 @@ Target_mips<size, big_endian>::elf_mips_mach_name(elfcpp::Elf_Word e_flags)
}
template<int size, bool big_endian>
-Target::Target_info Target_mips<size, big_endian>::mips_info =
+const Target::Target_info Target_mips<size, big_endian>::mips_info =
{
size, // size
big_endian, // is_big_endian
@@ -10488,7 +10489,47 @@ Target::Target_info Target_mips<size, big_endian>::mips_info =
"__start" // entry_symbol_name
};
-// The selector for mips object files.
+template<int size, bool big_endian>
+class Target_mips_nacl : public Target_mips<size, big_endian>
+{
+ public:
+ Target_mips_nacl()
+ : Target_mips<size, big_endian>(&mips_nacl_info)
+ { }
+
+ private:
+ static const Target::Target_info mips_nacl_info;
+};
+
+template<int size, bool big_endian>
+const Target::Target_info Target_mips_nacl<size, big_endian>::mips_nacl_info =
+{
+ size, // size
+ big_endian, // is_big_endian
+ elfcpp::EM_MIPS, // machine_code
+ true, // has_make_symbol
+ false, // has_resolve
+ false, // has_code_fill
+ true, // is_default_stack_executable
+ false, // can_icf_inline_merge_sections
+ '\0', // wrap_char
+ "/lib/ld.so.1", // dynamic_linker
+ 0x20000, // default_text_segment_address
+ 0x10000, // abi_pagesize (overridable by -z max-page-size)
+ 0x10000, // common_pagesize (overridable by -z common-page-size)
+ true, // isolate_execinstr
+ 0x10000000, // rosegment_gap
+ elfcpp::SHN_UNDEF, // small_common_shndx
+ elfcpp::SHN_UNDEF, // large_common_shndx
+ 0, // small_common_section_flags
+ 0, // large_common_section_flags
+ NULL, // attributes_section
+ NULL, // attributes_vendor
+ "_start" // entry_symbol_name
+};
+
+// Target selector for Mips. Note this is never instantiated directly.
+// It's only used in Target_selector_mips_nacl, below.
template<int size, bool big_endian>
class Target_selector_mips : public Target_selector
@@ -10508,10 +10549,23 @@ public:
{ return new Target_mips<size, big_endian>(); }
};
-Target_selector_mips<32, true> target_selector_mips32be;
-Target_selector_mips<32, false> target_selector_mips32;
-Target_selector_mips<64, true> target_selector_mips64be;
-Target_selector_mips<64, false> target_selector_mips64;
+template<int size, bool big_endian>
+class Target_selector_mips_nacl
+ : public Target_selector_nacl<Target_selector_mips<size, big_endian>,
+ Target_mips_nacl<size, big_endian> >
+{
+ public:
+ Target_selector_mips_nacl()
+ : Target_selector_nacl<Target_selector_mips<size, big_endian>,
+ Target_mips_nacl<size, big_endian> >(
+ // NaCl currently supports only MIPS32 little-endian.
+ "mipsel", "elf32-tradlittlemips-nacl", "elf32-tradlittlemips-nacl")
+ { }
+};
+Target_selector_mips_nacl<32, true> target_selector_mips32;
+Target_selector_mips_nacl<32, false> target_selector_mips32el;
+Target_selector_mips_nacl<64, true> target_selector_mips64;
+Target_selector_mips_nacl<64, false> target_selector_mips64el;
} // End anonymous namespace.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Add NaCl support to gold for Mips
2014-08-20 13:37 Add NaCl support to gold for Mips Sasa Stankovic
@ 2014-09-02 16:44 ` Cary Coutant
2014-09-03 8:42 ` Sasa Stankovic
0 siblings, 1 reply; 4+ messages in thread
From: Cary Coutant @ 2014-09-02 16:44 UTC (permalink / raw)
To: Sasa Stankovic; +Cc: binutils, Petar Jovanovic
> The attached patch adds NaCl (NativeClient) specific classes Target_mips_nacl and Target_selector_mips_nacl, and initializes Target_mips_nacl's Target_info structure with NaCl's specific data, similar to how it's implemented for arm, i386 and x86_64.
This is OK with a ChangeLog entry. Thanks!
-cary
^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: Add NaCl support to gold for Mips
2014-09-02 16:44 ` Cary Coutant
@ 2014-09-03 8:42 ` Sasa Stankovic
2014-09-03 16:50 ` Cary Coutant
0 siblings, 1 reply; 4+ messages in thread
From: Sasa Stankovic @ 2014-09-03 8:42 UTC (permalink / raw)
To: Cary Coutant; +Cc: binutils, Petar Jovanovic
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I added ChangeLog entry.
Regards,
Sasa
________________________________________
From: Cary Coutant [ccoutant@google.com]
Sent: Tuesday, September 02, 2014 6:44 PM
To: Sasa Stankovic
Cc: binutils@sourceware.org; Petar Jovanovic
Subject: Re: Add NaCl support to gold for Mips
> The attached patch adds NaCl (NativeClient) specific classes Target_mips_nacl and Target_selector_mips_nacl, and initializes Target_mips_nacl's Target_info structure with NaCl's specific data, similar to how it's implemented for arm, i386 and x86_64.
This is OK with a ChangeLog entry. Thanks!
-cary
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[-- Attachment #2: mips-nacl.patch --]
[-- Type: text/x-patch; name="mips-nacl.patch", Size: 4962 bytes --]
diff --git a/gold/ChangeLog b/gold/ChangeLog
index 2c09a05..86decfb 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,17 @@
+2014-09-03 Sasa Stankovic <Sasa.Stankovic@imgtec.com>
+
+ * mips.cc (Target_mips_nacl): New class.
+ (Target_selector_mips_nacl): New class.
+ (target_selector_mips32): Rename from target_selector_mips32be and use
+ Target_selector_mips_nacl instead of Target_selector_mips.
+ (target_selector_mips32el): Rename from target_selector_mips32 and use
+ Target_selector_mips_nacl instead of Target_selector_mips.
+ (target_selector_mips64): Rename from target_selector_mips64be and use
+ Target_selector_mips_nacl instead of Target_selector_mips.
+ (target_selector_mips64el): Rename from target_selector_mips64 and use
+ Target_selector_mips_nacl instead of Target_selector_mips.
+ (Target_mips::mips_info): Add const attribute.
+
2014-09-02 Cary Coutant <ccoutant@google.com>
* dwp.cc (Sized_relobj_dwo::do_section_name): Add const attribute.
diff --git a/gold/mips.cc b/gold/mips.cc
index 450883e..92e1201 100644
--- a/gold/mips.cc
+++ b/gold/mips.cc
@@ -44,6 +44,7 @@
#include "tls.h"
#include "errors.h"
#include "gc.h"
+#include "nacl.h"
namespace
{
@@ -3711,7 +3712,7 @@ class Target_mips : public Sized_target<size, big_endian>
// Information about this specific target which we pass to the
// general Target structure.
- static Target::Target_info mips_info;
+ static const Target::Target_info mips_info;
// The GOT section.
Mips_output_data_got<size, big_endian>* got_;
// gp symbol. It has the value of .got + 0x7FF0.
@@ -10462,7 +10463,7 @@ Target_mips<size, big_endian>::elf_mips_mach_name(elfcpp::Elf_Word e_flags)
}
template<int size, bool big_endian>
-Target::Target_info Target_mips<size, big_endian>::mips_info =
+const Target::Target_info Target_mips<size, big_endian>::mips_info =
{
size, // size
big_endian, // is_big_endian
@@ -10488,7 +10489,47 @@ Target::Target_info Target_mips<size, big_endian>::mips_info =
"__start" // entry_symbol_name
};
-// The selector for mips object files.
+template<int size, bool big_endian>
+class Target_mips_nacl : public Target_mips<size, big_endian>
+{
+ public:
+ Target_mips_nacl()
+ : Target_mips<size, big_endian>(&mips_nacl_info)
+ { }
+
+ private:
+ static const Target::Target_info mips_nacl_info;
+};
+
+template<int size, bool big_endian>
+const Target::Target_info Target_mips_nacl<size, big_endian>::mips_nacl_info =
+{
+ size, // size
+ big_endian, // is_big_endian
+ elfcpp::EM_MIPS, // machine_code
+ true, // has_make_symbol
+ false, // has_resolve
+ false, // has_code_fill
+ true, // is_default_stack_executable
+ false, // can_icf_inline_merge_sections
+ '\0', // wrap_char
+ "/lib/ld.so.1", // dynamic_linker
+ 0x20000, // default_text_segment_address
+ 0x10000, // abi_pagesize (overridable by -z max-page-size)
+ 0x10000, // common_pagesize (overridable by -z common-page-size)
+ true, // isolate_execinstr
+ 0x10000000, // rosegment_gap
+ elfcpp::SHN_UNDEF, // small_common_shndx
+ elfcpp::SHN_UNDEF, // large_common_shndx
+ 0, // small_common_section_flags
+ 0, // large_common_section_flags
+ NULL, // attributes_section
+ NULL, // attributes_vendor
+ "_start" // entry_symbol_name
+};
+
+// Target selector for Mips. Note this is never instantiated directly.
+// It's only used in Target_selector_mips_nacl, below.
template<int size, bool big_endian>
class Target_selector_mips : public Target_selector
@@ -10508,10 +10549,23 @@ public:
{ return new Target_mips<size, big_endian>(); }
};
-Target_selector_mips<32, true> target_selector_mips32be;
-Target_selector_mips<32, false> target_selector_mips32;
-Target_selector_mips<64, true> target_selector_mips64be;
-Target_selector_mips<64, false> target_selector_mips64;
+template<int size, bool big_endian>
+class Target_selector_mips_nacl
+ : public Target_selector_nacl<Target_selector_mips<size, big_endian>,
+ Target_mips_nacl<size, big_endian> >
+{
+ public:
+ Target_selector_mips_nacl()
+ : Target_selector_nacl<Target_selector_mips<size, big_endian>,
+ Target_mips_nacl<size, big_endian> >(
+ // NaCl currently supports only MIPS32 little-endian.
+ "mipsel", "elf32-tradlittlemips-nacl", "elf32-tradlittlemips-nacl")
+ { }
+};
+Target_selector_mips_nacl<32, true> target_selector_mips32;
+Target_selector_mips_nacl<32, false> target_selector_mips32el;
+Target_selector_mips_nacl<64, true> target_selector_mips64;
+Target_selector_mips_nacl<64, false> target_selector_mips64el;
} // End anonymous namespace.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Add NaCl support to gold for Mips
2014-09-03 8:42 ` Sasa Stankovic
@ 2014-09-03 16:50 ` Cary Coutant
0 siblings, 0 replies; 4+ messages in thread
From: Cary Coutant @ 2014-09-03 16:50 UTC (permalink / raw)
To: Sasa Stankovic; +Cc: binutils, Petar Jovanovic
> I added ChangeLog entry.
Thanks. I've committed the patch on your behalf.
2014-09-03 Sasa Stankovic <Sasa.Stankovic@imgtec.com>
* mips.cc (Target_mips_nacl): New class.
(Target_selector_mips_nacl): New class.
(target_selector_mips32): Rename from target_selector_mips32be and use
Target_selector_mips_nacl instead of Target_selector_mips.
(target_selector_mips32el): Rename from target_selector_mips32 and use
Target_selector_mips_nacl instead of Target_selector_mips.
(target_selector_mips64): Rename from target_selector_mips64be and use
Target_selector_mips_nacl instead of Target_selector_mips.
(target_selector_mips64el): Rename from target_selector_mips64 and use
Target_selector_mips_nacl instead of Target_selector_mips.
(Target_mips::mips_info): Add const attribute.
-cary
^ permalink raw reply [flat|nested] 4+ messages in thread
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2014-08-20 13:37 Add NaCl support to gold for Mips Sasa Stankovic
2014-09-02 16:44 ` Cary Coutant
2014-09-03 8:42 ` Sasa Stankovic
2014-09-03 16:50 ` Cary Coutant
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