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Carl-Daniel Hailfinger e5fcf247f2 gcc -fwhole-program needs to mark any function which is used outside the 
current compilation unit to be marked as externally_visible. We have
EXPORT_SYMBOL exactly for that purpose.

This applies to the following symbols used by x86emu and/or vm86:
- pci_read_config8
- pci_read_config16
- pci_read_config32
- pci_write_config8
- pci_write_config16
- pci_write_config32
- dev_find_pci_device
- dev_find_slot
It also applies to the main entry point of stage2:
- stage2

With this patch, I can use -fwhole-program for stage2 without any
problems. For standard compilation, this is a noop.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>


git-svn-id: svn://coreboot.org/repository/coreboot-v3@827 f3766cd6-281f-0410-b1cd-43a5c92072e9
2008-08-27 22:29:38 +00:00
..
arch/x86 This set of changes gets us much farther, in fact, we get into initram. 2008-08-27 05:30:50 +00:00
device gcc -fwhole-program needs to mark any function which is used outside the 2008-08-27 22:29:38 +00:00
console.h Move console log level management to global variable infrastructure. The 2008-08-18 20:13:11 +00:00
elf.h Now version 3: LinuxBIOS -> coreboot rename. 2008-01-27 18:54:57 +00:00
elf_boot.h Use the same naming convention and placement for "include guards" in 2007-05-21 06:48:47 +00:00
ip_checksum.h Now version 3: LinuxBIOS -> coreboot rename. 2008-01-27 18:54:57 +00:00
isa-dma.h Now version 3: LinuxBIOS -> coreboot rename. 2008-01-27 18:54:57 +00:00
keyboard.h Now version 3: LinuxBIOS -> coreboot rename. 2008-01-27 18:54:57 +00:00
lar.h The ABI wrapper from r775 made the SHARED definitions obsolete. They're 2008-08-17 21:51:13 +00:00
lib.h This now compiles and has a simple error on build to stage2. 2008-08-23 16:51:00 +00:00
mc146818rtc.h The ABI wrapper from r775 made the SHARED definitions obsolete. They're 2008-08-17 21:51:13 +00:00
post_code.h The ABI wrapper from r775 made the SHARED definitions obsolete. They're 2008-08-17 21:51:13 +00:00
shared.h The ABI wrapper from r775 made the SHARED definitions obsolete. They're 2008-08-17 21:51:13 +00:00
spd.h A lot of the v3 header files require other header files to be #included 2008-02-19 00:34:32 +00:00
spd_ddr2.h Add ddr2 defines. 2008-08-21 16:04:41 +00:00
spinlock.h Remove superfluous checks for boolean CONFIG_* variables where we tested 2008-02-14 22:34:40 +00:00
string.h The ABI wrapper from r775 made the SHARED definitions obsolete. They're 2008-08-17 21:51:13 +00:00
tables.h Implements console and serial lbtable records compatible to cbv2 as of r3396 2008-06-29 06:43:01 +00:00
uart8250.h Use the same naming convention and placement for "include guards" in 2007-05-21 06:48:47 +00:00