Come up with section_flag enum.
gcc/ChangeLog: * output.h (enum section_flag): New. (SECTION_FORGET): Remove. (SECTION_ENTSIZE): Make it (1UL << 8) - 1. (SECTION_STYLE_MASK): Define it based on other enum values. * varasm.c (switch_to_section): Remove unused handling of SECTION_FORGET.
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Martin Liska
parent
a64697d7a3
commit
dd11aab646
77
gcc/output.h
77
gcc/output.h
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@ -365,44 +365,53 @@ extern void default_function_switched_text_sections (FILE *, tree, bool);
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extern void no_asm_to_stream (FILE *);
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/* Flags controlling properties of a section. */
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#define SECTION_ENTSIZE 0x000ff /* entity size in section */
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#define SECTION_CODE 0x00100 /* contains code */
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#define SECTION_WRITE 0x00200 /* data is writable */
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#define SECTION_DEBUG 0x00400 /* contains debug data */
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#define SECTION_LINKONCE 0x00800 /* is linkonce */
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#define SECTION_SMALL 0x01000 /* contains "small data" */
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#define SECTION_BSS 0x02000 /* contains zeros only */
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#define SECTION_FORGET 0x04000 /* forget that we've entered the section */
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#define SECTION_MERGE 0x08000 /* contains mergeable data */
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#define SECTION_STRINGS 0x10000 /* contains zero terminated strings without
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embedded zeros */
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#define SECTION_OVERRIDE 0x20000 /* allow override of default flags */
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#define SECTION_TLS 0x40000 /* contains thread-local storage */
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#define SECTION_NOTYPE 0x80000 /* don't output @progbits */
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#define SECTION_DECLARED 0x100000 /* section has been used */
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#define SECTION_STYLE_MASK 0x600000 /* bits used for SECTION_STYLE */
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#define SECTION_COMMON 0x800000 /* contains common data */
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#define SECTION_RELRO 0x1000000 /* data is readonly after relocation processing */
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#define SECTION_EXCLUDE 0x2000000 /* discarded by the linker */
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#define SECTION_RETAIN 0x4000000 /* retained by the linker. */
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#define SECTION_LINK_ORDER 0x8000000 /* section needs link-order. */
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enum section_flag
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{
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/* This SECTION_STYLE is used for unnamed sections that we can switch
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to using a special assembler directive. */
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SECTION_UNNAMED = 0,
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/* NB: The maximum SECTION_MACH_DEP is 0x10000000 since AVR needs 4 bits
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in SECTION_MACH_DEP. */
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#define SECTION_MACH_DEP 0x10000000 /* subsequent bits reserved for target */
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SECTION_ENTSIZE = (1UL << 8) - 1, /* entity size in section */
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SECTION_CODE = 1UL << 8, /* contains code */
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SECTION_WRITE = 1UL << 9, /* data is writable */
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/* This SECTION_STYLE is used for unnamed sections that we can switch
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to using a special assembler directive. */
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#define SECTION_UNNAMED 0x000000
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SECTION_DEBUG = 1UL << 10, /* contains debug data */
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SECTION_LINKONCE = 1UL << 11, /* is linkonce */
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SECTION_SMALL = 1UL << 12, /* contains "small data" */
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SECTION_BSS = 1UL << 13, /* contains zeros only */
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SECTION_MERGE = 1UL << 14, /* contains mergeable data */
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SECTION_STRINGS = 1UL << 15, /* contains zero terminated strings
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without embedded zeros */
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SECTION_OVERRIDE = 1UL << 16, /* allow override of default flags */
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SECTION_TLS = 1UL << 17, /* contains thread-local storage */
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SECTION_NOTYPE = 1UL << 18, /* don't output @progbits */
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SECTION_DECLARED = 1UL << 19, /* section has been used */
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/* This SECTION_STYLE is used for named sections that we can switch
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to using a general section directive. */
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#define SECTION_NAMED 0x200000
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/* This SECTION_STYLE is used for named sections that we can switch
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to using a general section directive. */
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SECTION_NAMED = 1UL << 20,
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/* This SECTION_STYLE is used for sections that we cannot switch to at
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all. The choice of section is implied by the directive that we use
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to declare the object. */
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#define SECTION_NOSWITCH 0x400000
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/* This SECTION_STYLE is used for sections that we cannot switch to at
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all. The choice of section is implied by the directive that we use
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to declare the object. */
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SECTION_NOSWITCH = 1UL << 21,
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/* bits used for SECTION_STYLE */
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SECTION_STYLE_MASK = SECTION_NAMED | SECTION_NOSWITCH,
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SECTION_COMMON = 1UL << 22, /* contains common data */
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SECTION_RELRO = 1UL << 23, /* data is readonly after
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relocation processing */
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SECTION_EXCLUDE = 1UL << 24, /* discarded by the linker */
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SECTION_RETAIN = 1UL << 25, /* retained by the linker. */
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SECTION_LINK_ORDER = 1UL << 26, /* section needs link-order. */
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/* NB: The maximum SECTION_MACH_DEP is (1UL << 28) since AVR needs 4 bits
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in SECTION_MACH_DEP. */
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SECTION_MACH_DEP = 1UL << 27,
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/* subsequent bits reserved for target */
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};
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/* A helper function for default_elf_select_section and
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default_elf_unique_section. Categorizes the DECL. */
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@ -7827,10 +7827,7 @@ switch_to_section (section *new_section, tree decl)
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else if (in_section == new_section)
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return;
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if (new_section->common.flags & SECTION_FORGET)
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in_section = NULL;
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else
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in_section = new_section;
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in_section = new_section;
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switch (SECTION_STYLE (new_section))
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{
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