Hides global symbols in inline asm to reduce size of dynamic symbol table
Signed-off-by: Graeme Russ graeme.russ@gmail.com --- board/eNET/eNET_start16.S | 2 + cpu/i386/cpu.c | 2 + cpu/i386/interrupts.c | 2 + lib_i386/bios.S | 70 +++++++++++++++++++++++++++++++++++++++++++++ lib_i386/bios_pci.S | 2 + 5 files changed, 78 insertions(+), 0 deletions(-)
diff --git a/board/eNET/eNET_start16.S b/board/eNET/eNET_start16.S index 48e4d83..af2c132 100644 --- a/board/eNET/eNET_start16.S +++ b/board/eNET/eNET_start16.S @@ -71,6 +71,8 @@ board_init16: .section .bios, "ax" .code16 .globl realmode_reset +.hidden realmode_reset +.type realmode_reset, @function realmode_reset: /* Alias MMCR to 0xdf000 */ movw $0xfffc, %dx diff --git a/cpu/i386/cpu.c b/cpu/i386/cpu.c index 8baf37d..4b68105 100644 --- a/cpu/i386/cpu.c +++ b/cpu/i386/cpu.c @@ -73,6 +73,8 @@ void __attribute__ ((regparm(0))) generate_gpf(void);
/* segment 0x70 is an arbitrary segment which does not exist */ asm(".globl generate_gpf\n" + ".hidden generate_gpf\n" + ".type generate_gpf, @function\n" "generate_gpf:\n" "ljmp $0x70, $0x47114711\n");
diff --git a/cpu/i386/interrupts.c b/cpu/i386/interrupts.c index d80cfb1..6d699e2 100644 --- a/cpu/i386/interrupts.c +++ b/cpu/i386/interrupts.c @@ -29,6 +29,8 @@
#define DECLARE_INTERRUPT(x) \ ".globl irq_"#x"\n" \ + ".hidden irq_"#x"\n" \ + ".type irq_"#x", @function\n" \ "irq_"#x":\n" \ "pushl %ebp\n" \ "movl %esp,%ebp\n" \ diff --git a/lib_i386/bios.S b/lib_i386/bios.S index d6ca3e3..48f1b81 100644 --- a/lib_i386/bios.S +++ b/lib_i386/bios.S @@ -50,134 +50,200 @@ jmp realmode_reset
.globl rm_int00 +.hidden rm_int00 +.type rm_int00, @function rm_int00: pushw $0 jmp any_interrupt16 .globl rm_int01 +.hidden rm_int01 +.type rm_int01, @function rm_int01: pushw $1 jmp any_interrupt16 .globl rm_int02 +.hidden rm_int02 +.type rm_int02, @function rm_int02: pushw $2 jmp any_interrupt16 .globl rm_int03 +.hidden rm_int03 +.type rm_int03, @function rm_int03: pushw $3 jmp any_interrupt16 .globl rm_int04 +.hidden rm_int04 +.type rm_int04, @function rm_int04: pushw $4 jmp any_interrupt16 .globl rm_int05 +.hidden rm_int05 +.type rm_int05, @function rm_int05: pushw $5 jmp any_interrupt16 .globl rm_int06 +.hidden rm_int06 +.type rm_int06, @function rm_int06: pushw $6 jmp any_interrupt16 .globl rm_int07 +.hidden rm_int07 +.type rm_int07, @function rm_int07: pushw $7 jmp any_interrupt16 .globl rm_int08 +.hidden rm_int08 +.type rm_int08, @function rm_int08: pushw $8 jmp any_interrupt16 .globl rm_int09 +.hidden rm_int09 +.type rm_int09, @function rm_int09: pushw $9 jmp any_interrupt16 .globl rm_int0a +.hidden rm_int0a +.type rm_int0a, @function rm_int0a: pushw $10 jmp any_interrupt16 .globl rm_int0b +.hidden rm_int0b +.type rm_int0b, @function rm_int0b: pushw $11 jmp any_interrupt16 .globl rm_int0c +.hidden rm_int0c +.type rm_int0c, @function rm_int0c: pushw $12 jmp any_interrupt16 .globl rm_int0d +.hidden rm_int0d +.type rm_int0d, @function rm_int0d: pushw $13 jmp any_interrupt16 .globl rm_int0e +.hidden rm_int0e +.type rm_int0e, @function rm_int0e: pushw $14 jmp any_interrupt16 .globl rm_int0f +.hidden rm_int0f +.type rm_int0f, @function rm_int0f: pushw $15 jmp any_interrupt16 .globl rm_int10 +.hidden rm_int10 +.type rm_int10, @function rm_int10: pushw $16 jmp any_interrupt16 .globl rm_int11 +.hidden rm_int11 +.type rm_int11, @function rm_int11: pushw $17 jmp any_interrupt16 .globl rm_int12 +.hidden rm_int12 +.type rm_int12, @function rm_int12: pushw $18 jmp any_interrupt16 .globl rm_int13 +.hidden rm_int13 +.type rm_int13, @function rm_int13: pushw $19 jmp any_interrupt16 .globl rm_int14 +.hidden rm_int14 +.type rm_int14, @function rm_int14: pushw $20 jmp any_interrupt16 .globl rm_int15 +.hidden rm_int15 +.type rm_int15, @function rm_int15: pushw $21 jmp any_interrupt16 .globl rm_int16 +.hidden rm_int16 +.type rm_int16, @function rm_int16: pushw $22 jmp any_interrupt16 .globl rm_int17 +.hidden rm_int17 +.type rm_int17, @function rm_int17: pushw $23 jmp any_interrupt16 .globl rm_int18 +.hidden rm_int18 +.type rm_int18, @function rm_int18: pushw $24 jmp any_interrupt16 .globl rm_int19 +.hidden rm_int19 +.type rm_int19, @function rm_int19: pushw $25 jmp any_interrupt16 .globl rm_int1a +.hidden rm_int1a +.type rm_int1a, @function rm_int1a: pushw $26 jmp any_interrupt16 .globl rm_int1b +.hidden rm_int1b +.type rm_int1b, @function rm_int1b: pushw $27 jmp any_interrupt16 .globl rm_int1c +.hidden rm_int1c +.type rm_int1c, @function rm_int1c: pushw $28 jmp any_interrupt16 .globl rm_int1d +.hidden rm_int1d +.type rm_int1d, @function rm_int1d: pushw $29 jmp any_interrupt16 .globl rm_int1e +.hidden rm_int1e +.type rm_int1e, @function rm_int1e: pushw $30 jmp any_interrupt16 .globl rm_int1f +.hidden rm_int1f +.type rm_int1f, @function rm_int1f: pushw $31 jmp any_interrupt16 .globl rm_def_int +.hidden rm_def_int +.type rm_def_int, @function rm_def_int: iret
@@ -454,9 +520,13 @@ Lfunc_b1h:
.globl ram_in_64kb_chunks +.hidden ram_in_64kb_chunks +.type ram_in_64kb_chunks, @function ram_in_64kb_chunks: .word 0
.globl bios_equipment +.hidden bios_equipment +.type bios_equipment, @function bios_equipment: .word 0 diff --git a/lib_i386/bios_pci.S b/lib_i386/bios_pci.S index 67fd00b..9e412e5 100644 --- a/lib_i386/bios_pci.S +++ b/lib_i386/bios_pci.S @@ -34,6 +34,8 @@ .section .bios, "ax" .code16 .globl realmode_pci_bios_call_entry +.hidden realmode_pci_bios_call_entry +.type realmode_pci_bios_call_entry, @function realmode_pci_bios_call_entry: MAKE_BIOS_STACK call realmode_pci_bios